{"name": "sail-research", "slug": "sail-research", "brand": {"name": "Sail Research", "logo": "sail-research.png", "kind": "icon", "mono": false, "dark": null}, "timeline": {"date_min": "2026-07-24", "date_max": "2026-10-15", "changes": [{"date": "2026-07-29", "method": "b3it", "provider": "sail-research/fp8", "model": "z-ai/glm-5.2"}, {"date": "2026-09-09", "method": "b3it", "provider": "sail-research/fp8", "model": "z-ai/glm-5.3-flash"}, {"date": "2026-09-11", "method": "b3it", "provider": "sail-research/fp8", "model": "z-ai/glm-5.3"}, {"date": "2026-10-01", "method": "b3it", "provider": "sail-research/fp4", "model": "deepseek/deepseek-v4.1-flash"}], "endpoints": [{"slug": "deepseek2fdeepseek-v4.1-flash23sail-research2ffp4", "provider": "sail-research/fp4", "base": "sail-research", "providerSlug": "sail-research", "model": "deepseek/deepseek-v4.1-flash", "modelSlug": "deepseek2fdeepseek-v4.1-flash", "methods": ["lt", "b3it"], "first": "2026-09-19", "last": "2026-10-15", "last_query": "2026-10-15", "n_changes": 1, "lt": {"drift": [["2026-09-19", 0.2747], ["2026-09-20", 0.3559], ["2026-09-21", 0.3313], ["2026-09-22", 0.2077], ["2026-09-23", 0.1529], ["2026-09-24", 0.2046], ["2026-09-25", 0.1351], ["2026-09-26", 0.2467], ["2026-09-27", 0.237], ["2026-09-28", 0.1779], ["2026-09-29", 0.1532], ["2026-09-30", 0.1668], ["2026-10-01", 0.296], ["2026-10-02", 0.296], ["2026-10-03", 0.296], ["2026-10-04", 0.296], ["2026-10-05", 0.183], ["2026-10-06", 0.1998], ["2026-10-07", 0.2018], ["2026-10-08", 0.296], ["2026-10-09", 0.2842], ["2026-10-10", 0.2957], ["2026-10-11", 0.2509], ["2026-10-12", 0.2281], ["2026-10-13", 0.2479], ["2026-10-14", 0.2405], ["2026-10-15", 0.2479]], "breaks": [], "changes": []}, "b3it": {"tv": [["2026-09-23", 0.5636363636363636], ["2026-09-24", 0.5272727272727272], ["2026-09-25", 0.2827272727272727], ["2026-09-26", 0.0009090909090909096], ["2026-09-27", 0.12727272727272726], ["2026-09-29", 0.7172727272727273], ["2026-09-30", 0.2827272727272727], ["2026-10-01", 0.7181818181818181], ["2026-10-02", 0.7272727272727273], ["2026-10-03", 0.7272727272727273], ["2026-10-03", 0.7272727272727273]], "breaks": [5], "changes": [{"date": "2026-10-01", "shiftTV": 0.368}]}, "status": {"lt": "tracked", "bi": "retired:no_bis", "headline": "tracked", "headlines": ["tracked"], "ltCopy": "This endpoint is actively tracked.", "biCopy": "Monitoring was retired: we could not find enough border inputs for this endpoint.", "ltDetail": null, "biDetail": "since 2026-10-03", "reason": "This endpoint is actively tracked."}}, {"slug": "deepseek2fdeepseek-v4-pro-081323sail-research2ffp4", "provider": "sail-research/fp4", "base": "sail-research", "providerSlug": "sail-research", "model": "deepseek/deepseek-v4-pro-0813", "modelSlug": "deepseek2fdeepseek-v4-pro-0813", "methods": ["lt"], "first": "2026-09-11", "last": "2026-10-15", "last_query": "2026-10-15", "n_changes": 0, "lt": {"drift": [["2026-09-11", 0.1701], ["2026-09-12", 0.1701], ["2026-09-13", 0.1701], ["2026-09-14", 0.1701], ["2026-09-15", 0.0824], ["2026-09-16", 0.0959], ["2026-09-17", 0.2993], ["2026-09-18", 0.3218], ["2026-09-19", 0.1701], ["2026-09-20", 0.1701], ["2026-09-21", 0.1701], ["2026-09-22", 0.1688], ["2026-09-23", 0.4098], ["2026-09-24", 0.3053], ["2026-09-25", 0.2885], ["2026-09-26", 0.3388], ["2026-09-27", 0.382], ["2026-09-28", 0.3794], ["2026-09-29", 0.1701], ["2026-10-06", 0.9599], ["2026-10-07", 0.9193], ["2026-10-08", 0.7794], ["2026-10-09", 0.9193], ["2026-10-10", 0.8522], ["2026-10-11", 0.9193], ["2026-10-12", 0.9599], ["2026-10-13", 0.6647], ["2026-10-14", 0.7465], ["2026-10-15", 0.6747]], "breaks": [19], "changes": []}, "b3it": null, "status": {"lt": "tracked", "bi": "not_selected", "headline": "tracked", "headlines": ["tracked"], "ltCopy": "This endpoint is actively tracked.", "biCopy": "This endpoint vetted fine, but the selection budget went to more popular models.", "ltDetail": null, "biDetail": null, "reason": "This endpoint is actively tracked."}}, {"slug": "moonshotai2fkimi-k323sail-research2ffp4", "provider": "sail-research/fp4", "base": "sail-research", "providerSlug": "sail-research", "model": "moonshotai/kimi-k3", "modelSlug": "moonshotai2fkimi-k3", "methods": ["lt"], "first": "2026-09-26", "last": "2026-10-15", "last_query": "2026-10-15", "n_changes": 0, "lt": {"drift": [["2026-09-26", 0.0347], ["2026-09-27", 0.0347], ["2026-09-28", 0.0347], ["2026-09-29", 0.0757], ["2026-09-30", 0.0973], ["2026-10-06", 0.0383], ["2026-10-07", 0.0369], ["2026-10-08", 0.0329], ["2026-10-09", 0.0122], ["2026-10-10", 0.0339], ["2026-10-11", 0.0347], ["2026-10-12", 0.0347], ["2026-10-13", 0.0525], ["2026-10-14", 0.0527], ["2026-10-15", 0.0839]], "breaks": [5], "changes": []}, "b3it": null, "status": {"lt": "tracked", "bi": "unprobeable:flaky", "headline": "tracked", "headlines": ["tracked"], "ltCopy": "This endpoint is actively tracked.", "biCopy": "Our vetting probes of this endpoint persistently fail.", "ltDetail": null, "biDetail": "HTTP 429: the provider returned an error", "reason": "This endpoint is actively tracked."}}, {"slug": "deepseek2fdeepseek-v4-flash-073123sail-research2fus", "provider": "sail-research/us", "base": "sail-research", "providerSlug": "sail-research", "model": "deepseek/deepseek-v4-flash-0731", "modelSlug": "deepseek2fdeepseek-v4-flash-0731", "methods": ["lt", "b3it"], "first": "2026-09-16", "last": "2026-10-15", "last_query": "2026-10-15", "n_changes": 0, "lt": {"drift": [["2026-09-16", 0.2106], ["2026-09-17", 0.2005], ["2026-09-18", 0.23], ["2026-09-24", 0.5071], ["2026-09-25", 0.132], ["2026-09-26", 0.1736], ["2026-09-27", 0.1487], ["2026-09-28", 0.1937], ["2026-09-29", 0.259], ["2026-09-30", 0.3789], ["2026-10-01", 0.3057], ["2026-10-02", 0.1828], ["2026-10-03", 0.275], ["2026-10-04", 0.1606], ["2026-10-05", 0.3405], ["2026-10-06", 0.2999], ["2026-10-07", 0.3724], ["2026-10-08", 0.2722], ["2026-10-09", 0.2562], ["2026-10-10", 0.3373], ["2026-10-11", 0.2583], ["2026-10-12", 0.2517], ["2026-10-13", 0.1878], ["2026-10-14", 0.1768], ["2026-10-15", 0.2488]], "breaks": [3], "changes": []}, "b3it": {"tv": [["2026-09-16", 0.263], ["2026-09-17", 0.267], ["2026-09-24", 0.257], ["2026-09-25", 0.235], ["2026-09-26", 0.2255], ["2026-09-27", 0.28049999999999997], ["2026-09-29", 0.289], ["2026-09-30", 0.258], ["2026-10-01", 0.4045], ["2026-10-02", 0.2695], ["2026-10-03", 0.2395], ["2026-10-03", 0.2035], ["2026-10-04", 0.3965], ["2026-10-06", 0.2755], ["2026-10-07", 0.2155], ["2026-10-08", 0.2195], ["2026-10-09", 0.223], ["2026-10-10", 0.2365], ["2026-10-10", 0.197], ["2026-10-12", 0.2255], ["2026-10-13", 0.1805], ["2026-10-14", 0.1835], ["2026-10-14", 0.2225]], "breaks": [2, 6, 13, 19], "changes": []}, "status": {"lt": "tracked", "bi": "monitoring", "headline": "tracked", "headlines": ["tracked"], "ltCopy": "This endpoint is actively tracked.", "biCopy": "This endpoint is actively monitored through its border inputs.", "ltDetail": null, "biDetail": null, "reason": "This endpoint is actively tracked."}}, {"slug": "deepseek2fdeepseek-v4-pro-081323sail-research2fus", "provider": "sail-research/us", "base": "sail-research", "providerSlug": "sail-research", "model": "deepseek/deepseek-v4-pro-0813", "modelSlug": "deepseek2fdeepseek-v4-pro-0813", "methods": ["lt"], "first": "2026-09-16", "last": "2026-10-15", "last_query": "2026-10-15", "n_changes": 0, "lt": {"drift": [["2026-09-16", 0.2051], ["2026-09-17", 0.1957], ["2026-09-18", 0.2068], ["2026-09-19", 0.2406], ["2026-09-20", 0.3169], ["2026-09-21", 0.3169], ["2026-09-22", 0.1075], ["2026-09-23", 0.2016], ["2026-09-24", 0.1321], ["2026-09-25", 0.1773], ["2026-09-26", 0.2016], ["2026-09-27", 0.2439], ["2026-09-28", 0.2622], ["2026-09-29", 0.3169], ["2026-10-06", 0.9688], ["2026-10-07", 0.9318], ["2026-10-08", 0.6012], ["2026-10-09", 0.9318], ["2026-10-10", 0.9318], ["2026-10-11", 0.9318], ["2026-10-12", 0.9688], ["2026-10-13", 0.7375], ["2026-10-14", 0.8657], ["2026-10-15", 0.8523]], "breaks": [14], "changes": []}, "b3it": null, "status": {"lt": "tracked", "bi": "not_selected", "headline": "tracked", "headlines": ["tracked"], "ltCopy": "This endpoint is actively tracked.", "biCopy": "This endpoint vetted fine, but the selection budget went to more popular models.", "ltDetail": null, "biDetail": null, "reason": "This endpoint is actively tracked."}}, {"slug": "z-ai2fglm-5.323sail-research2ffp8", "provider": "sail-research/fp8", "base": "sail-research", "providerSlug": "sail-research", "model": "z-ai/glm-5.3", "modelSlug": "z-ai2fglm-5.3", "methods": ["b3it"], "first": "2026-09-02", "last": "2026-10-14", "last_query": "2026-10-14", "n_changes": 1, "lt": null, "b3it": {"tv": [["2026-09-02", 0.41050000000000003], ["2026-09-03", 0.3885], ["2026-09-04", 0.516], ["2026-09-05", 0.41600000000000004], ["2026-09-06", 0.454], ["2026-09-07", 0.527], ["2026-09-08", 0.47900000000000004], ["2026-09-09", 0.48600000000000004], ["2026-09-10", 0.719], ["2026-09-11", 0.718], ["2026-09-12", 0.713], ["2026-09-13", 0.719], ["2026-09-14", 0.07150000000000001], ["2026-09-15", 0.2495], ["2026-09-16", 0.417], ["2026-09-17", 0.407], ["2026-09-18", 0.1115], ["2026-09-19", 0.2155], ["2026-09-20", 0.14200000000000002], ["2026-09-21", 0.3615], ["2026-09-22", 0.1195], ["2026-09-23", 0.3055], ["2026-09-24", 0.26313725490196077], ["2026-09-25", 0.124], ["2026-09-26", 0.1265], ["2026-09-27", 0.1135], ["2026-09-29", 0.1625], ["2026-09-30", 0.1375], ["2026-10-01", 0.17250000000000001], ["2026-10-02", 0.2645], ["2026-10-03", 0.2995], ["2026-10-03", 0.1555], ["2026-10-04", 0.1345], ["2026-10-06", 0.2895], ["2026-10-07", 0.40049999999999997], ["2026-10-08", 0.1265], ["2026-10-09", 0.1215], ["2026-10-10", 0.206], ["2026-10-10", 0.1685], ["2026-10-12", 0.13899999999999998], ["2026-10-13", 0.152], ["2026-10-14", 0.149], ["2026-10-14", 0.2215]], "breaks": [26, 33, 39], "changes": [{"date": "2026-09-11", "shiftTV": 0.228}]}, "status": {"lt": "probe_failed", "bi": "monitoring", "headline": "tracked", "headlines": ["tracked"], "ltCopy": "This endpoint claims logprob support, but our probe could not obtain usable logprobs.", "biCopy": "This endpoint is actively monitored through its border inputs.", "ltDetail": "No logprobs returned", "biDetail": null, "reason": "This endpoint is actively monitored through its border inputs."}}, {"slug": "deepseek2fdeepseek-v4-flash-073123sail-research2ffp4", "provider": "sail-research/fp4", "base": "sail-research", "providerSlug": "sail-research", "model": "deepseek/deepseek-v4-flash-0731", "modelSlug": "deepseek2fdeepseek-v4-flash-0731", "methods": ["b3it"], "first": "2026-08-13", "last": "2026-10-14", "last_query": "2026-10-14", "n_changes": 0, "lt": null, "b3it": {"tv": [["2026-08-13", 0.2858163625647412], ["2026-08-14", 0.6794477486255268], ["2026-08-15", 0.9814072164948455], ["2026-08-16", 0.9849072164948455], ["2026-08-17", 0.9899072164948455], ["2026-08-18", 0.3544494758345454], ["2026-08-19", 0.3189194058668573], ["2026-08-20", 0.3812958225174795], ["2026-08-21", 0.4092009103090846], ["2026-08-22", 0.3705117614766812], ["2026-08-23", 0.5127021187336273], ["2026-08-24", 0.3766308333896923], ["2026-08-29", 0.6659880202664235], ["2026-08-30", 0.6877733249784199], ["2026-09-01", 0.5467392486711894], ["2026-09-01", 0.5244976069814593], ["2026-09-04", 0.619936526648926], ["2026-09-05", 0.663502391482832], ["2026-09-06", 0.6599394506255342], ["2026-09-07", 0.6599394506255342], ["2026-09-08", 0.6599394506255342], ["2026-09-09", 0.6599394506255342], ["2026-09-10", 0.6599394506255342], ["2026-09-11", 0.6599394506255342], ["2026-09-12", 0.6599394506255342], ["2026-09-13", 0.6599394506255342], ["2026-09-14", 0.6599394506255342], ["2026-09-15", 0.6599394506255342], ["2026-09-16", 0.6599394506255342], ["2026-09-17", 0.6599394506255342], ["2026-09-18", 0.6599394506255342], ["2026-09-19", 0.6599394506255342], ["2026-09-20", 0.6599394506255342], ["2026-09-21", 0.6599394506255342], ["2026-09-22", 0.6599394506255342], ["2026-09-23", 0.6599394506255342], ["2026-09-24", 0.6599394506255342], ["2026-09-25", 0.6599394506255342], ["2026-09-26", 0.6599394506255342], ["2026-09-27", 0.6599394506255342], ["2026-09-29", 0.6599394506255342], ["2026-09-30", 0.6599394506255342], ["2026-10-01", 0.6599394506255342], ["2026-10-02", 0.6599394506255342], ["2026-10-03", 0.6599394506255342], ["2026-10-03", 0.6599394506255342], ["2026-10-04", 0.6599394506255342], ["2026-10-06", 0.6599394506255342], ["2026-10-07", 0.6599394506255342], ["2026-10-08", 0.6599394506255342], ["2026-10-09", 0.6599394506255342], ["2026-10-10", 0.6599394506255342], ["2026-10-10", 0.6599394506255342], ["2026-10-12", 0.6599394506255342], ["2026-10-13", 0.6599394506255342], ["2026-10-14", 0.6599394506255342], ["2026-10-14", 0.6599394506255342]], "breaks": [12, 14, 16, 40, 47, 53], "changes": []}, "status": {"lt": "probe_failed", "bi": "monitoring", "headline": "tracked", "headlines": ["tracked"], "ltCopy": "This endpoint claims logprob support, but our probe could not obtain usable logprobs.", "biCopy": "This endpoint is actively monitored through its border inputs.", "ltDetail": "No logprobs returned", "biDetail": null, "reason": "This endpoint is actively monitored through its border inputs."}}, {"slug": "z-ai2fglm-5.3-flash23sail-research2ffp4", "provider": "sail-research/fp4", "base": "sail-research", "providerSlug": "sail-research", "model": "z-ai/glm-5.3-flash", "modelSlug": "z-ai2fglm-5.3-flash", "methods": ["b3it"], "first": "2026-10-07", "last": "2026-10-14", "last_query": "2026-10-14", "n_changes": 0, "lt": null, "b3it": {"tv": [["2026-10-07", 0.3], ["2026-10-08", 0.486], ["2026-10-09", 0.501], ["2026-10-10", 0.3655], ["2026-10-10", 0.25289285714285714], ["2026-10-12", 0.253], ["2026-10-13", 0.254], ["2026-10-14", 0.19699999999999998], ["2026-10-14", 0.317]], "breaks": [5], "changes": []}, "status": {"lt": "no_logprobs", "bi": "monitoring", "headline": "tracked", "headlines": ["tracked"], "ltCopy": "This endpoint does not return logprobs, so logprob tracking is impossible.", "biCopy": "This endpoint is actively monitored through its border inputs.", "ltDetail": null, "biDetail": null, "reason": "This endpoint is actively monitored through its border inputs."}}, {"slug": "z-ai2fglm-5.3-flash23sail-research2fus", "provider": "sail-research/us", "base": "sail-research", "providerSlug": "sail-research", "model": "z-ai/glm-5.3-flash", "modelSlug": "z-ai2fglm-5.3-flash", "methods": ["b3it"], "first": "2026-09-19", "last": "2026-10-14", "last_query": "2026-10-14", "n_changes": 0, "lt": null, "b3it": {"tv": [["2026-09-19", 0.251], ["2026-09-20", 0.265], ["2026-09-21", 0.2585], ["2026-09-23", 0.396], ["2026-09-24", 0.4335], ["2026-09-25", 0.46699999999999997], ["2026-09-26", 0.4465], ["2026-09-27", 0.4285], ["2026-09-29", 0.417], ["2026-09-30", 0.4275], ["2026-10-01", 0.481], ["2026-10-02", 0.4415], ["2026-10-03", 0.4065], ["2026-10-03", 0.4545], ["2026-10-04", 0.4425], ["2026-10-06", 0.386], ["2026-10-07", 0.457], ["2026-10-08", 0.393], ["2026-10-09", 0.4045], ["2026-10-10", 0.4975], ["2026-10-10", 0.44226190476190474], ["2026-10-12", 0.4575], ["2026-10-13", 0.47250000000000003], ["2026-10-14", 0.4965], ["2026-10-14", 0.4915]], "breaks": [3, 8, 15, 21], "changes": []}, "status": {"lt": "probe_failed", "bi": "monitoring", "headline": "tracked", "headlines": ["tracked"], "ltCopy": "This endpoint claims logprob support, but our probe could not obtain usable logprobs.", "biCopy": "This endpoint is actively monitored through its border inputs.", "ltDetail": "No logprobs returned", "biDetail": null, "reason": "This endpoint is actively monitored through its border inputs."}}, {"slug": "z-ai2fglm-5.323sail-research2fus", "provider": "sail-research/us", "base": "sail-research", "providerSlug": "sail-research", "model": "z-ai/glm-5.3", "modelSlug": "z-ai2fglm-5.3", "methods": ["b3it"], "first": "2026-09-19", "last": "2026-10-14", "last_query": "2026-10-14", "n_changes": 0, "lt": null, "b3it": {"tv": [["2026-09-19", 0.2485], ["2026-09-20", 0.3245], ["2026-09-21", 0.3135], ["2026-09-22", 0.319], ["2026-09-23", 0.2705], ["2026-09-24", 0.3725], ["2026-09-25", 0.3145], ["2026-09-26", 0.3175], ["2026-09-27", 0.316], ["2026-09-29", 0.3005], ["2026-09-30", 0.34400000000000003], ["2026-10-01", 0.293], ["2026-10-02", 0.28150000000000003], ["2026-10-03", 0.325], ["2026-10-03", 0.3135], ["2026-10-04", 0.326], ["2026-10-06", 0.26], ["2026-10-07", 0.3905], ["2026-10-08", 0.3245], ["2026-10-09", 0.273], ["2026-10-10", 0.2995], ["2026-10-10", 0.295], ["2026-10-12", 0.28094444444444444], ["2026-10-13", 0.272], ["2026-10-14", 0.271], ["2026-10-14", 0.296]], "breaks": [9, 16, 22], "changes": []}, "status": {"lt": "probe_failed", "bi": "monitoring", "headline": "tracked", "headlines": ["tracked"], "ltCopy": "This endpoint claims logprob support, but our probe could not obtain usable logprobs.", "biCopy": "This endpoint is actively monitored through its border inputs.", "ltDetail": "No logprobs returned", "biDetail": null, "reason": "This endpoint is actively monitored through its border inputs."}}, {"slug": "z-ai2fglm-5.3-flash23sail-research2ffp8", "provider": "sail-research/fp8", "base": "sail-research", "providerSlug": "sail-research", "model": "z-ai/glm-5.3-flash", "modelSlug": "z-ai2fglm-5.3-flash", "methods": ["b3it"], "first": "2026-09-05", "last": "2026-09-29", "last_query": "2026-10-07", "n_changes": 1, "lt": null, "b3it": {"tv": [["2026-09-05", 0.141], ["2026-09-06", 0.2035], ["2026-09-07", 0.11649999999999999], ["2026-09-08", 0.2422857142857143], ["2026-09-09", 0.456], ["2026-09-10", 0.4655], ["2026-09-11", 0.4615], ["2026-09-12", 0.449], ["2026-09-13", 0.397], ["2026-09-14", 0.47200000000000003], ["2026-09-15", 0.3885], ["2026-09-16", 0.432], ["2026-09-17", 0.3565], ["2026-09-18", 0.3665], ["2026-09-19", 0.195], ["2026-09-20", 0.322], ["2026-09-21", 0.355], ["2026-09-24", 0.4665], ["2026-09-25", 0.412], ["2026-09-26", 0.434], ["2026-09-27", 0.4155], ["2026-09-29", 0.369]], "breaks": [17, 21], "changes": [{"date": "2026-09-09", "shiftTV": 0.249}]}, "status": {"lt": "pending", "bi": "retired:stalled", "headline": "retired", "headlines": ["retired"], "ltCopy": "This endpoint has not been evaluated for tracking yet.", "biCopy": "Monitoring was retired: the endpoint stopped yielding usable samples.", "ltDetail": null, "biDetail": "since 2026-10-07", "reason": "Monitoring was retired: the endpoint stopped yielding usable samples (since 2026-10-07)."}}, {"slug": "z-ai2fglm-5.223sail-research2ffp8", "provider": "sail-research/fp8", "base": "sail-research", "providerSlug": "sail-research", "model": "z-ai/glm-5.2", "modelSlug": "z-ai2fglm-5.2", "methods": ["b3it"], "first": "2026-07-24", "last": "2026-09-03", "last_query": "2026-09-10", "n_changes": 1, "lt": null, "b3it": {"tv": [["2026-07-24", 0.16647979797979798], ["2026-07-25", 0.23308080808080808], ["2026-07-26", 0.12024747474747476], ["2026-07-27", 0.1697121212121212], ["2026-07-28", 0.16852020202020201], ["2026-07-29", 0.5216262626262627], ["2026-08-02", 0.5107777777777778], ["2026-08-03", 0.5093181818181818], ["2026-08-04", 0.5368181818181819], ["2026-08-05", 0.5253181818181818], ["2026-08-07", 0.0795], ["2026-08-07", 0.14250000000000002], ["2026-08-08", 0.0995], ["2026-08-09", 0.08650000000000001], ["2026-08-10", 0.1205], ["2026-08-11", 0.07350000000000001], ["2026-08-12", 0.081], ["2026-08-13", 0.07050000000000001], ["2026-08-14", 0.0745], ["2026-08-15", 0.0805], ["2026-08-16", 0.07050000000000001], ["2026-08-17", 0.0985], ["2026-08-18", 0.07550000000000001], ["2026-08-19", 0.1005], ["2026-08-20", 0.0655], ["2026-08-21", 0.0625], ["2026-08-22", 0.05450000000000001], ["2026-08-23", 0.0695], ["2026-08-24", 0.075], ["2026-08-25", 0.07550000000000001], ["2026-08-27", 0.07550000000000001], ["2026-08-28", 0.0885], ["2026-08-29", 0.07550000000000001], ["2026-08-29", 0.07150000000000001], ["2026-08-30", 0.07050000000000001], ["2026-09-01", 0.07050000000000001], ["2026-09-01", 0.2275], ["2026-09-02", 0.0905], ["2026-09-03", 0.09650000000000002]], "breaks": [6, 10, 30, 35], "changes": [{"date": "2026-07-29", "shiftTV": 0.349}]}, "status": {"lt": "pending", "bi": "retired:stalled", "headline": "retired", "headlines": ["retired"], "ltCopy": "This endpoint has not been evaluated for tracking yet.", "biCopy": "Monitoring was retired: the endpoint stopped yielding usable samples.", "ltDetail": null, "biDetail": "since 2026-09-10", "reason": "Monitoring was retired: the endpoint stopped yielding usable samples (since 2026-09-10)."}}, {"slug": "deepseek2fdeepseek-v4-flash23sail-research2ffp4", "provider": "sail-research/fp4", "base": "sail-research", "providerSlug": "sail-research", "model": "deepseek/deepseek-v4-flash", "modelSlug": "deepseek2fdeepseek-v4-flash", "methods": ["lt", "b3it"], "first": "2026-08-11", "last": "2026-08-26", "last_query": "2026-09-03", "n_changes": 0, "lt": {"drift": [["2026-08-11", 0.0148], ["2026-08-12", 0.0148], ["2026-08-13", 0.0148], ["2026-08-14", 0.0148], ["2026-08-15", 0.0205], ["2026-08-16", 0.0148], ["2026-08-17", 0.0148], ["2026-08-18", 0.0148], ["2026-08-19", 0.0341], ["2026-08-20", 0.0196], ["2026-08-21", 0.0148], ["2026-08-22", 0.0516], ["2026-08-23", 0.0148], ["2026-08-24", 0.0148], ["2026-08-25", 0.0892], ["2026-08-26", 0.0148]], "breaks": [], "changes": []}, "b3it": {"tv": [["2026-08-12", 0.046000000000000006], ["2026-08-14", 0.032000000000000015], ["2026-08-16", 0.238], ["2026-08-17", 0.2645], ["2026-08-18", 0.17550000000000002], ["2026-08-19", 0.0575], ["2026-08-20", 0.08349999999999999], ["2026-08-21", 0.161], ["2026-08-22", 0.0905], ["2026-08-23", 0.051000000000000004], ["2026-08-24", 0.03800000000000001], ["2026-08-25", 0.053500000000000006]], "breaks": [1, 2], "changes": []}, "status": {"lt": "stalled", "bi": "retired:stalled", "headline": "retired", "headlines": ["retired"], "ltCopy": "We tracked this endpoint's logprobs, but its recent queries all failed, so tracking stopped.", "biCopy": "Monitoring was retired: the endpoint stopped yielding usable samples.", "ltDetail": null, "biDetail": "since 2026-09-03", "reason": "We tracked this endpoint's logprobs, but its recent queries all failed, so tracking stopped."}}]}, "n_endpoints": 13, "n_active": 10, "n_models": 8, "n_variants": 3, "first": "2026-07-24", "last": "2026-10-15", "lt": {"endpoints": 6, "years": 0.42, "changes": 0, "rate": null, "ci": null}, "b3it": {"endpoints": 10, "years": 0.76, "changes": 4, "rate": 5.27, "ci": [0.11, 10.44]}, "variants": [{"name": "fp4", "n_endpoints": 6, "lt": {"endpoints": 4, "years": 0.26, "changes": 0, "rate": null, "ci": null}, "b3it": {"endpoints": 4, "years": 0.25, "changes": 1, "rate": null, "ci": null}}, {"name": "us", "n_endpoints": 4, "lt": {"endpoints": 2, "years": 0.16, "changes": 0, "rate": null, "ci": null}, "b3it": {"endpoints": 3, "years": 0.21, "changes": 0, "rate": null, "ci": null}}, {"name": "fp8", "n_endpoints": 3, "lt": {"endpoints": 0, "years": 0.0, "changes": 0, "rate": null, "ci": null}, "b3it": {"endpoints": 3, "years": 0.29, "changes": 3, "rate": null, "ci": null}}], "changes": [{"date": "2026-10-01", "iso": "2026-10-01T00:15:43Z", "daysAgo": 14, "method": "b3it", "magnitude": 0.368, "desc": "Probe-prompt outputs shifted (total variation 0.37)", "primary": "TV 0.37", "secondary": "border-input shift", "sevKey": "changed", "trace": [0.564, 0.527, 0.283, 0.001, 0.127, 0.717, 0.283, 0.718, 0.727, 0.727, 0.727], "changeFrac": 0.7, "slug": "deepseek2fdeepseek-v4.1-flash23sail-research2ffp4", "endpointSlug": "deepseek2fdeepseek-v4.1-flash23sail-research2ffp4", "model": "deepseek-v4.1-flash", "org": "deepseek", "modelSlug": "deepseek2fdeepseek-v4.1-flash", "provider": "sail-research/fp4", "providerSlug": "sail-research", "brand": {"name": "Sail Research", "logo": "sail-research.png", "kind": "icon", "mono": false, "dark": null}, "variant": "fp4"}, {"date": "2026-09-11", "iso": "2026-09-11T22:53:32Z", "daysAgo": 33, "method": "b3it", "magnitude": 0.228, "desc": "Probe-prompt outputs shifted (total variation 0.23)", "primary": "TV 0.23", "secondary": "border-input shift", "sevKey": "stable", "trace": [0.411, 0.389, 0.516, 0.416, 0.454, 0.527, 0.479, 0.486, 0.719, 0.718, 0.713, 0.719, 0.072, 0.249, 0.417, 0.407, 0.112, 0.215, 0.142, 0.361, 0.119, 0.305, 0.263, 0.124, 0.127, 0.114, 0.163, 0.138, 0.173], "changeFrac": 0.321, "slug": "z-ai2fglm-5.323sail-research2ffp8", "endpointSlug": "z-ai2fglm-5.323sail-research2ffp8", "model": "glm-5.3", "org": "z-ai", "modelSlug": "z-ai2fglm-5.3", "provider": "sail-research/fp8", "providerSlug": "sail-research", "brand": {"name": "Sail Research", "logo": "sail-research.png", "kind": "icon", "mono": false, "dark": null}, "variant": "fp8"}, {"date": "2026-09-09", "iso": "2026-09-09T22:50:38Z", "daysAgo": 35, "method": "b3it", "magnitude": 0.249, "desc": "Probe-prompt outputs shifted (total variation 0.25)", "primary": "TV 0.25", "secondary": "border-input shift", "sevKey": "stable", "trace": [0.141, 0.203, 0.116, 0.242, 0.456, 0.466, 0.462, 0.449, 0.397, 0.472, 0.389, 0.432, 0.356, 0.366, 0.195, 0.322, 0.355, 0.467, 0.412, 0.434, 0.415, 0.369], "changeFrac": 0.19, "slug": "z-ai2fglm-5.3-flash23sail-research2ffp8", "endpointSlug": "z-ai2fglm-5.3-flash23sail-research2ffp8", "model": "glm-5.3-flash", "org": "z-ai", "modelSlug": "z-ai2fglm-5.3-flash", "provider": "sail-research/fp8", "providerSlug": "sail-research", "brand": {"name": "Sail Research", "logo": "sail-research.png", "kind": "icon", "mono": false, "dark": null}, "variant": "fp8"}, {"date": "2026-07-29", "iso": "2026-07-29T21:48:33Z", "daysAgo": 77, "method": "b3it", "magnitude": 0.349, "desc": "Probe-prompt outputs shifted (total variation 0.35)", "primary": "TV 0.35", "secondary": "border-input shift", "sevKey": "changed", "trace": [0.166, 0.233, 0.12, 0.17, 0.169, 0.522, 0.511, 0.509, 0.537, 0.525, 0.08, 0.143, 0.1, 0.087, 0.12, 0.074, 0.081, 0.071, 0.074, 0.081, 0.071, 0.099, 0.076, 0.101, 0.066], "changeFrac": 0.208, "slug": "z-ai2fglm-5.223sail-research2ffp8", "endpointSlug": "z-ai2fglm-5.223sail-research2ffp8", "model": "glm-5.2", "org": "z-ai", "modelSlug": "z-ai2fglm-5.2", "provider": "sail-research/fp8", "providerSlug": "sail-research", "brand": {"name": "Sail Research", "logo": "sail-research.png", "kind": "icon", "mono": false, "dark": null}, "variant": "fp8"}], "endpoints": [{"slug": "deepseek2fdeepseek-v4.1-flash23sail-research2ffp4", "model": "deepseek-v4.1-flash", "modelSlug": "deepseek2fdeepseek-v4.1-flash", "org": "deepseek", "provider": "sail-research/fp4", "providerSlug": "sail-research", "methods": ["lt", "b3it"], "status": "changed", "lastChange": "2026-10-01", "recent": true, "nChanges": 1, "trace": [0.275, 0.356, 0.331, 0.208, 0.153, 0.205, 0.135, 0.247, 0.237, 0.178, 0.153, 0.167, 0.296, 0.296, 0.296, 0.296, 0.183, 0.2, 0.202, 0.296, 0.284, 0.296, 0.251, 0.228, 0.248, 0.24, 0.248], "changeFracs": [0.462], "headline": "tracked", "headlines": ["tracked"], "ltStatus": "tracked", "biStatus": "retired:no_bis", "reason": "This endpoint is actively tracked."}, {"slug": "z-ai2fglm-5.223sail-research2ffp8", "model": "glm-5.2", "modelSlug": "z-ai2fglm-5.2", "org": "z-ai", "provider": "sail-research/fp8", "providerSlug": "sail-research", "methods": ["b3it"], "status": "retired", "lastChange": "2026-07-29", "recent": false, "nChanges": 1, "trace": [0.166, 0.233, 0.145, 0.169, 0.522, 0.51, 0.537, 0.302, 0.143, 0.1, 0.104, 0.074, 0.076, 0.074, 0.081, 0.085, 0.076, 0.083, 0.062, 0.055, 0.072, 0.076, 0.082, 0.076, 0.072, 0.071, 0.228, 0.093], "changeFracs": [0.122], "headline": "retired", "headlines": ["retired"], "ltStatus": "pending", "biStatus": "retired:stalled", "reason": "Monitoring was retired: the endpoint stopped yielding usable samples (since 2026-09-10)."}, {"slug": "z-ai2fglm-5.323sail-research2ffp8", "model": "glm-5.3", "modelSlug": "z-ai2fglm-5.3", "org": "z-ai", "provider": "sail-research/fp8", "providerSlug": "sail-research", "methods": ["b3it"], "status": "changed", "lastChange": "2026-09-11", "recent": true, "nChanges": 1, "trace": [0.411, 0.452, 0.416, 0.491, 0.479, 0.603, 0.718, 0.716, 0.072, 0.333, 0.407, 0.164, 0.142, 0.24, 0.284, 0.124, 0.12, 0.163, 0.155, 0.265, 0.227, 0.135, 0.345, 0.127, 0.164, 0.169, 0.145, 0.185], "changeFracs": [0.214], "headline": "tracked", "headlines": ["tracked"], "ltStatus": "probe_failed", "biStatus": "monitoring", "reason": "This endpoint is actively monitored through its border inputs."}, {"slug": "z-ai2fglm-5.3-flash23sail-research2ffp8", "model": "glm-5.3-flash", "modelSlug": "z-ai2fglm-5.3-flash", "org": "z-ai", "provider": "sail-research/fp8", "providerSlug": "sail-research", "methods": ["b3it"], "status": "retired", "lastChange": "2026-09-09", "recent": true, "nChanges": 1, "trace": [0.141, 0.203, 0.116, 0.242, 0.456, 0.466, 0.462, 0.449, 0.397, 0.472, 0.389, 0.432, 0.356, 0.366, 0.195, 0.322, 0.355, 0.467, 0.412, 0.434, 0.415, 0.369], "changeFracs": [0.174], "headline": "retired", "headlines": ["retired"], "ltStatus": "pending", "biStatus": "retired:stalled", "reason": "Monitoring was retired: the endpoint stopped yielding usable samples (since 2026-10-07)."}, {"slug": "deepseek2fdeepseek-v4-flash23sail-research2ffp4", "model": "deepseek-v4-flash", "modelSlug": "deepseek2fdeepseek-v4-flash", "org": "deepseek", "provider": "sail-research/fp4", "providerSlug": "sail-research", "methods": ["lt", "b3it"], "status": "retired", "lastChange": null, "recent": false, "nChanges": 0, "trace": [0.015, 0.015, 0.015, 0.015, 0.021, 0.015, 0.015, 0.015, 0.034, 0.02, 0.015, 0.052, 0.015, 0.015, 0.089, 0.015], "changeFracs": [], "headline": "retired", "headlines": ["retired"], "ltStatus": "stalled", "biStatus": "retired:stalled", "reason": "We tracked this endpoint's logprobs, but its recent queries all failed, so tracking stopped."}, {"slug": "deepseek2fdeepseek-v4-flash-073123sail-research2ffp4", "model": "deepseek-v4-flash-0731", "modelSlug": "deepseek2fdeepseek-v4-flash-0731", "org": "deepseek", "provider": "sail-research/fp4", "providerSlug": "sail-research", "methods": ["b3it"], "status": "stable", "lastChange": null, "recent": false, "nChanges": 0, "trace": [0.483, 0.983, 0.672, 0.35, 0.39, 0.445, 0.677, 0.536, 0.642, 0.66, 0.66, 0.66, 0.66, 0.66, 0.66, 0.66, 0.66, 0.66, 0.66, 0.66, 0.66, 0.66, 0.66, 0.66, 0.66, 0.66, 0.66, 0.66], "changeFracs": [], "headline": "tracked", "headlines": ["tracked"], "ltStatus": "probe_failed", "biStatus": "monitoring", "reason": "This endpoint is actively monitored through its border inputs."}, {"slug": "deepseek2fdeepseek-v4-flash-073123sail-research2fus", "model": "deepseek-v4-flash-0731", "modelSlug": "deepseek2fdeepseek-v4-flash-0731", "org": "deepseek", "provider": "sail-research/us", "providerSlug": "sail-research", "methods": ["lt", "b3it"], "status": "stable", "lastChange": null, "recent": false, "nChanges": 0, "trace": [0.211, 0.201, 0.23, 0.507, 0.132, 0.174, 0.149, 0.194, 0.259, 0.379, 0.306, 0.183, 0.275, 0.161, 0.341, 0.3, 0.372, 0.272, 0.256, 0.337, 0.258, 0.252, 0.188, 0.177, 0.249], "changeFracs": [], "headline": "tracked", "headlines": ["tracked"], "ltStatus": "tracked", "biStatus": "monitoring", "reason": "This endpoint is actively tracked."}, {"slug": "deepseek2fdeepseek-v4-pro-081323sail-research2ffp4", "model": "deepseek-v4-pro-0813", "modelSlug": "deepseek2fdeepseek-v4-pro-0813", "org": "deepseek", "provider": "sail-research/fp4", "providerSlug": "sail-research", "methods": ["lt"], "status": "stable", "lastChange": null, "recent": false, "nChanges": 0, "trace": [0.17, 0.17, 0.17, 0.17, 0.082, 0.096, 0.299, 0.322, 0.17, 0.17, 0.17, 0.169, 0.41, 0.305, 0.288, 0.339, 0.382, 0.379, 0.17, 0.96, 0.919, 0.779, 0.919, 0.852, 0.919, 0.96, 0.665, 0.711], "changeFracs": [], "headline": "tracked", "headlines": ["tracked"], "ltStatus": "tracked", "biStatus": "not_selected", "reason": "This endpoint is actively tracked."}, {"slug": "deepseek2fdeepseek-v4-pro-081323sail-research2fus", "model": "deepseek-v4-pro-0813", "modelSlug": "deepseek2fdeepseek-v4-pro-0813", "org": "deepseek", "provider": "sail-research/us", "providerSlug": "sail-research", "methods": ["lt"], "status": "stable", "lastChange": null, "recent": false, "nChanges": 0, "trace": [0.205, 0.196, 0.207, 0.241, 0.317, 0.317, 0.107, 0.202, 0.132, 0.177, 0.202, 0.244, 0.262, 0.317, 0.969, 0.932, 0.601, 0.932, 0.932, 0.932, 0.969, 0.738, 0.866, 0.852], "changeFracs": [], "headline": "tracked", "headlines": ["tracked"], "ltStatus": "tracked", "biStatus": "not_selected", "reason": "This endpoint is actively tracked."}, {"slug": "z-ai2fglm-5.323sail-research2fus", "model": "glm-5.3", "modelSlug": "z-ai2fglm-5.3", "org": "z-ai", "provider": "sail-research/us", "providerSlug": "sail-research", "methods": ["b3it"], "status": "stable", "lastChange": null, "recent": false, "nChanges": 0, "trace": [0.248, 0.325, 0.314, 0.319, 0.271, 0.372, 0.315, 0.318, 0.316, 0.3, 0.344, 0.293, 0.282, 0.325, 0.314, 0.326, 0.26, 0.391, 0.325, 0.273, 0.299, 0.295, 0.281, 0.272, 0.271, 0.296], "changeFracs": [], "headline": "tracked", "headlines": ["tracked"], "ltStatus": "probe_failed", "biStatus": "monitoring", "reason": "This endpoint is actively monitored through its border inputs."}, {"slug": "z-ai2fglm-5.3-flash23sail-research2ffp4", "model": "glm-5.3-flash", "modelSlug": "z-ai2fglm-5.3-flash", "org": "z-ai", "provider": "sail-research/fp4", "providerSlug": "sail-research", "methods": ["b3it"], "status": "stable", "lastChange": null, "recent": false, "nChanges": 0, "trace": [0.3, 0.486, 0.501, 0.365, 0.253, 0.253, 0.254, 0.197, 0.317], "changeFracs": [], "headline": "tracked", "headlines": ["tracked"], "ltStatus": "no_logprobs", "biStatus": "monitoring", "reason": "This endpoint is actively monitored through its border inputs."}, {"slug": "z-ai2fglm-5.3-flash23sail-research2fus", "model": "glm-5.3-flash", "modelSlug": "z-ai2fglm-5.3-flash", "org": "z-ai", "provider": "sail-research/us", "providerSlug": "sail-research", "methods": ["b3it"], "status": "stable", "lastChange": null, "recent": false, "nChanges": 0, "trace": [0.251, 0.265, 0.259, 0.396, 0.433, 0.467, 0.447, 0.428, 0.417, 0.427, 0.481, 0.442, 0.406, 0.455, 0.443, 0.386, 0.457, 0.393, 0.405, 0.497, 0.442, 0.458, 0.473, 0.496, 0.491], "changeFracs": [], "headline": "tracked", "headlines": ["tracked"], "ltStatus": "probe_failed", "biStatus": "monitoring", "reason": "This endpoint is actively monitored through its border inputs."}, {"slug": "moonshotai2fkimi-k323sail-research2ffp4", "model": "kimi-k3", "modelSlug": "moonshotai2fkimi-k3", "org": "moonshotai", "provider": "sail-research/fp4", "providerSlug": "sail-research", "methods": ["lt"], "status": "stable", "lastChange": null, "recent": false, "nChanges": 0, "trace": [0.035, 0.035, 0.035, 0.076, 0.097, 0.038, 0.037, 0.033, 0.012, 0.034, 0.035, 0.035, 0.052, 0.053, 0.084], "changeFracs": [], "headline": "tracked", "headlines": ["tracked"], "ltStatus": "tracked", "biStatus": "unprobeable:flaky", "reason": "This endpoint is actively tracked."}, {"slug": "moonshotai2fkimi-k2.623sail-research2fint4", "model": "kimi-k2.6", "modelSlug": "moonshotai2fkimi-k2.6", "org": "moonshotai", "provider": "sail-research/int4", "providerSlug": "sail-research", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "retired", "headlines": ["retired"], "ltStatus": "pending", "biStatus": "retired:no_bis", "reason": "Monitoring was retired: we could not find enough border inputs for this endpoint (since 2026-07-29)."}]}