{"name": "anthropic", "slug": "anthropic", "brand": {"name": "Anthropic", "logo": "anthropic.svg", "kind": "icon", "mono": true, "dark": null}, "timeline": {"date_min": "2026-01-15", "date_max": "2026-10-14", "changes": [{"date": "2026-02-25", "method": "b3it", "provider": "anthropic", "model": "anthropic/claude-haiku-4.5"}], "endpoints": [{"slug": "anthropic2fclaude-sonnet-4.523anthropic", "provider": "anthropic", "base": "anthropic", "providerSlug": "anthropic", "model": "anthropic/claude-sonnet-4.5", "modelSlug": "anthropic2fclaude-sonnet-4.5", "methods": ["b3it"], "first": "2026-01-15", "last": "2026-10-14", "last_query": "2026-10-14", "n_changes": 0, "lt": null, "b3it": {"tv": [["2026-01-15", 0.2645], ["2026-01-17", 0.3825], ["2026-01-19", 0.6065], ["2026-01-21", 0.4165], ["2026-01-23", 0.0705], ["2026-01-24", 0.3535], ["2026-01-26", 0.2545], ["2026-01-28", 0.1245], ["2026-01-30", 0.07849999999999999], ["2026-02-01", 0.5455000000000001], ["2026-02-03", 0.27649999999999997], ["2026-02-06", 0.2425], ["2026-02-11", 0.236], ["2026-02-13", 0.193], ["2026-02-15", 0.239], ["2026-02-16", 0.199], ["2026-02-18", 0.2675], ["2026-02-20", 0.22499999999999998], ["2026-02-22", 0.3115], ["2026-02-23", 0.2595], ["2026-02-25", 0.257], ["2026-02-27", 0.2465], ["2026-03-01", 0.2245], ["2026-03-03", 0.2125], ["2026-03-04", 0.239], ["2026-03-06", 0.18571052631578946], ["2026-03-08", 0.34450000000000003], ["2026-03-10", 0.182], ["2026-03-11", 0.257], ["2026-03-13", 0.22149999999999997], ["2026-03-15", 0.183], ["2026-03-17", 0.20149999999999998], ["2026-03-18", 0.248], ["2026-03-20", 0.19299999999999998], ["2026-03-22", 0.2215], ["2026-03-24", 0.2245], ["2026-03-26", 0.2465], ["2026-03-27", 0.2415], ["2026-03-29", 0.2215], ["2026-03-31", 0.3915], ["2026-04-02", 0.201], ["2026-04-03", 0.217], ["2026-04-05", 0.309], ["2026-04-07", 0.284], ["2026-07-24", 0.1255], ["2026-07-26", 0.207], ["2026-07-29", 0.1445], ["2026-08-02", 0.274], ["2026-08-05", 0.22599999999999998], ["2026-08-07", 0.2515], ["2026-08-08", 0.241], ["2026-08-10", 0.258], ["2026-08-12", 0.188], ["2026-08-14", 0.1775], ["2026-08-16", 0.28200000000000003], ["2026-08-17", 0.2055], ["2026-08-19", 0.317], ["2026-08-21", 0.1365], ["2026-08-23", 0.1605], ["2026-08-25", 0.271], ["2026-08-27", 0.161], ["2026-08-29", 0.393], ["2026-08-30", 0.1615], ["2026-09-01", 0.3475], ["2026-09-02", 0.2695], ["2026-09-04", 0.394], ["2026-09-05", 0.427], ["2026-09-07", 0.395], ["2026-09-09", 0.40399999999999997], ["2026-09-11", 0.4115], ["2026-09-13", 0.3855], ["2026-09-14", 0.3915], ["2026-09-16", 0.3955], ["2026-09-18", 0.3565], ["2026-09-20", 0.3105], ["2026-09-22", 0.3985], ["2026-09-23", 0.348], ["2026-09-25", 0.3285], ["2026-09-27", 0.308], ["2026-09-29", 0.3825], ["2026-10-01", 0.3255], ["2026-10-03", 0.4195], ["2026-10-04", 0.369], ["2026-10-06", 0.3755], ["2026-10-08", 0.3555], ["2026-10-10", 0.2495], ["2026-10-12", 0.3165], ["2026-10-14", 0.3005]], "breaks": [10, 12, 44, 47, 49, 60, 63, 79, 83, 86], "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": "anthropic2fclaude-haiku-4.523anthropic", "provider": "anthropic", "base": "anthropic", "providerSlug": "anthropic", "model": "anthropic/claude-haiku-4.5", "modelSlug": "anthropic2fclaude-haiku-4.5", "methods": ["b3it"], "first": "2026-01-15", "last": "2026-08-29", "last_query": "2026-08-29", "n_changes": 1, "lt": null, "b3it": {"tv": [["2026-01-15", 0.062499999999999986], ["2026-01-16", 0.1265], ["2026-01-18", 0.1735], ["2026-01-19", 0.20450000000000002], ["2026-01-20", 0.20025510204081634], ["2026-01-22", 0.2505], ["2026-01-23", 0.2195], ["2026-01-24", 0.2255], ["2026-01-25", 0.2295], ["2026-01-27", 0.1055], ["2026-01-28", 0.1375], ["2026-01-29", 0.2245], ["2026-01-31", 0.3075], ["2026-02-01", 0.3145], ["2026-02-03", 0.2525], ["2026-02-05", 0.15429591836734693], ["2026-02-06", 0.0965], ["2026-02-11", 0.10455263157894737], ["2026-02-12", 0.138], ["2026-02-13", 0.1305], ["2026-02-15", 0.09999999999999999], ["2026-02-16", 0.1055], ["2026-02-17", 0.11000000000000001], ["2026-02-19", 0.136], ["2026-02-20", 0.189], ["2026-02-21", 0.117], ["2026-02-22", 0.10449999999999998], ["2026-02-23", 0.394], ["2026-02-25", 0.40599999999999997], ["2026-02-26", 0.3715], ["2026-02-27", 0.4165], ["2026-03-01", 0.3805], ["2026-03-02", 0.39899999999999997], ["2026-03-03", 0.3965], ["2026-03-04", 0.4425], ["2026-03-05", 0.407], ["2026-03-07", 0.385], ["2026-03-08", 0.39949999999999997], ["2026-03-09", 0.4115], ["2026-03-11", 0.435], ["2026-03-12", 0.426], ["2026-03-13", 0.4065], ["2026-03-14", 0.428], ["2026-03-15", 0.414], ["2026-03-17", 0.418], ["2026-03-18", 0.4255], ["2026-03-19", 0.418], ["2026-03-21", 0.4205], ["2026-03-22", 0.438], ["2026-03-23", 0.444], ["2026-03-24", 0.434], ["2026-03-25", 0.428], ["2026-03-27", 0.3915], ["2026-03-28", 0.4175], ["2026-03-29", 0.4355], ["2026-03-31", 0.448], ["2026-04-01", 0.438], ["2026-04-02", 0.4575], ["2026-04-03", 0.433], ["2026-04-04", 0.4723421052631579], ["2026-04-06", 0.454], ["2026-04-07", 0.453], ["2026-07-24", 0.10944444444444444], ["2026-07-25", 0.13722222222222225], ["2026-07-26", 0.14277777777777778], ["2026-07-28", 0.16722222222222222], ["2026-07-29", 0.13833333333333334], ["2026-08-02", 0.19611111111111112], ["2026-08-04", 0.18388888888888888], ["2026-08-05", 0.13944444444444445], ["2026-08-07", 0.16166666666666668], ["2026-08-07", 0.12944444444444447], ["2026-08-09", 0.13833333333333334], ["2026-08-10", 0.13833333333333334], ["2026-08-11", 0.16055555555555556], ["2026-08-12", 0.16944444444444445], ["2026-08-14", 0.29055555555555557], ["2026-08-15", 0.16555555555555557], ["2026-08-16", 0.1945], ["2026-08-17", 0.1875], ["2026-08-19", 0.2285], ["2026-08-20", 0.2425], ["2026-08-21", 0.13649999999999998], ["2026-08-22", 0.24350000000000002], ["2026-08-24", 0.2935], ["2026-08-25", 0.2575], ["2026-08-27", 0.3405], ["2026-08-29", 0.3645], ["2026-08-29", 0.3695]], "breaks": [14, 17, 62, 67, 70, 86], "changes": [{"date": "2026-02-25", "shiftTV": 0.207}]}, "status": {"lt": "no_logprobs", "bi": "retired:no_bis", "headline": "retired", "headlines": ["retired"], "ltCopy": "This endpoint does not return logprobs, so logprob tracking is impossible.", "biCopy": "Monitoring was retired: we could not find enough border inputs for this endpoint.", "ltDetail": null, "biDetail": "since 2026-08-29", "reason": "Monitoring was retired: we could not find enough border inputs for this endpoint (since 2026-08-29)."}}]}, "n_endpoints": 2, "n_active": 1, "n_models": 2, "n_variants": 1, "first": "2026-01-15", "last": "2026-10-14", "lt": {"endpoints": 0, "years": 0.0, "changes": 0, "rate": null, "ci": null}, "b3it": {"endpoints": 2, "years": 1.36, "changes": 1, "rate": 0.73, "ci": [0.0, 2.17]}, "variants": [{"name": "", "n_endpoints": 2, "lt": {"endpoints": 0, "years": 0.0, "changes": 0, "rate": null, "ci": null}, "b3it": {"endpoints": 2, "years": 1.36, "changes": 1, "rate": 0.73, "ci": [0.0, 2.17]}}], "changes": [{"date": "2026-02-25", "iso": "2026-02-25T21:16:01+00:00", "daysAgo": 231, "method": "b3it", "magnitude": 0.207, "desc": "Probe-prompt outputs shifted (total variation 0.21)", "primary": "TV 0.21", "secondary": "border-input shift", "sevKey": "stable", "trace": [0.062, 0.127, 0.181, 0.205, 0.174, 0.251, 0.22, 0.228, 0.222, 0.121, 0.225, 0.142, 0.311, 0.253, 0.167, 0.097, 0.105, 0.134, 0.071, 0.103, 0.11, 0.097, 0.163, 0.117, 0.249, 0.398, 0.406, 0.394, 0.421, 0.39, 0.397, 0.443, 0.396, 0.385, 0.405, 0.397, 0.435, 0.416, 0.428, 0.426], "changeFrac": 0.641, "slug": "anthropic2fclaude-haiku-4.523anthropic", "endpointSlug": "anthropic2fclaude-haiku-4.523anthropic", "model": "claude-haiku-4.5", "org": "anthropic", "modelSlug": "anthropic2fclaude-haiku-4.5", "provider": "anthropic", "providerSlug": "anthropic", "brand": {"name": "Anthropic", "logo": "anthropic.svg", "kind": "icon", "mono": true, "dark": null}, "variant": ""}], "endpoints": [{"slug": "anthropic2fclaude-haiku-4.523anthropic", "model": "claude-haiku-4.5", "modelSlug": "anthropic2fclaude-haiku-4.5", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": ["b3it"], "status": "retired", "lastChange": "2026-02-25", "recent": false, "nChanges": 1, "trace": [0.138, 0.201, 0.224, 0.152, 0.264, 0.123, 0.102, 0.133, 0.254, 0.404, 0.405, 0.394, 0.417, 0.422, 0.426, 0.434, 0.417, 0.443, 0.455, 0.288, 0.145, 0.169, 0.141, 0.188, 0.21, 0.2, 0.255, 0.357], "changeFracs": [0.181], "headline": "retired", "headlines": ["retired"], "ltStatus": "no_logprobs", "biStatus": "retired:no_bis", "reason": "Monitoring was retired: we could not find enough border inputs for this endpoint (since 2026-08-29)."}, {"slug": "anthropic2fclaude-sonnet-4.523anthropic", "model": "claude-sonnet-4.5", "modelSlug": "anthropic2fclaude-sonnet-4.5", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": ["b3it"], "status": "stable", "lastChange": null, "recent": false, "nChanges": 0, "trace": [0.345, 0.261, 0.185, 0.29, 0.235, 0.27, 0.264, 0.222, 0.225, 0.228, 0.207, 0.257, 0.268, 0.25, 0.195, 0.229, 0.241, 0.236, 0.192, 0.251, 0.321, 0.405, 0.38, 0.381, 0.339, 0.378, 0.338, 0.31], "changeFracs": [], "headline": "tracked", "headlines": ["tracked"], "ltStatus": "no_logprobs", "biStatus": "monitoring", "reason": "This endpoint is actively monitored through its border inputs."}, {"slug": "anthropic2fclaude-fable-5.123anthropic", "model": "claude-fable-5.1", "modelSlug": "anthropic2fclaude-fable-5.1", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "bad_temperature", "reason": "This endpoint claims neither temperature control nor logprobs, so no tracking method can work \u2014 presumably to prevent distillation."}, {"slug": "anthropic2fclaude-fable-5.13abatch23anthropic", "model": "claude-fable-5.1:batch", "modelSlug": "anthropic2fclaude-fable-5.13abatch", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "unprobeable:batch", "reason": "Batch endpoints only answer asynchronous batch queries, so our synchronous probes cannot vet them."}, {"slug": "anthropic2fclaude-fable-523anthropic", "model": "claude-fable-5", "modelSlug": "anthropic2fclaude-fable-5", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "bad_temperature", "reason": "This endpoint claims neither temperature control nor logprobs, so no tracking method can work \u2014 presumably to prevent distillation."}, {"slug": "anthropic2fclaude-fable-53abatch23anthropic", "model": "claude-fable-5:batch", "modelSlug": "anthropic2fclaude-fable-53abatch", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "unprobeable:batch", "reason": "Batch endpoints only answer asynchronous batch queries, so our synchronous probes cannot vet them."}, {"slug": "anthropic2fclaude-haiku-4.53abatch23anthropic", "model": "claude-haiku-4.5:batch", "modelSlug": "anthropic2fclaude-haiku-4.53abatch", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "unprobeable:batch", "reason": "Batch endpoints only answer asynchronous batch queries, so our synchronous probes cannot vet them."}, {"slug": "anthropic2fclaude-haiku-5.523anthropic", "model": "claude-haiku-5.5", "modelSlug": "anthropic2fclaude-haiku-5.5", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "bad_temperature", "reason": "This endpoint claims neither temperature control nor logprobs, so no tracking method can work \u2014 presumably to prevent distillation."}, {"slug": "anthropic2fclaude-haiku-5.53abatch23anthropic", "model": "claude-haiku-5.5:batch", "modelSlug": "anthropic2fclaude-haiku-5.53abatch", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "unprobeable:batch", "reason": "Batch endpoints only answer asynchronous batch queries, so our synchronous probes cannot vet them."}, {"slug": "anthropic2fclaude-opus-4.13abatch23anthropic", "model": "claude-opus-4.1:batch", "modelSlug": "anthropic2fclaude-opus-4.13abatch", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "unprobeable:batch", "reason": "Batch endpoints only answer asynchronous batch queries, so our synchronous probes cannot vet them."}, {"slug": "anthropic2fclaude-opus-4.523anthropic", "model": "claude-opus-4.5", "modelSlug": "anthropic2fclaude-opus-4.5", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "not_selected", "headlines": ["not_selected"], "ltStatus": "no_logprobs", "biStatus": "not_selected", "reason": "This endpoint vetted fine, but the selection budget went to more popular models."}, {"slug": "anthropic2fclaude-opus-4.53abatch23anthropic", "model": "claude-opus-4.5:batch", "modelSlug": "anthropic2fclaude-opus-4.53abatch", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "unprobeable:batch", "reason": "Batch endpoints only answer asynchronous batch queries, so our synchronous probes cannot vet them."}, {"slug": "anthropic2fclaude-opus-4.623anthropic", "model": "claude-opus-4.6", "modelSlug": "anthropic2fclaude-opus-4.6", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "not_selected", "headlines": ["not_selected"], "ltStatus": "no_logprobs", "biStatus": "not_selected", "reason": "This endpoint vetted fine, but the selection budget went to more popular models."}, {"slug": "anthropic2fclaude-opus-4.63abatch23anthropic", "model": "claude-opus-4.6:batch", "modelSlug": "anthropic2fclaude-opus-4.63abatch", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "unprobeable:batch", "reason": "Batch endpoints only answer asynchronous batch queries, so our synchronous probes cannot vet them."}, {"slug": "anthropic2fclaude-opus-4.723anthropic", "model": "claude-opus-4.7", "modelSlug": "anthropic2fclaude-opus-4.7", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "bad_temperature", "reason": "This endpoint claims neither temperature control nor logprobs, so no tracking method can work \u2014 presumably to prevent distillation."}, {"slug": "anthropic2fclaude-opus-4.73abatch23anthropic", "model": "claude-opus-4.7:batch", "modelSlug": "anthropic2fclaude-opus-4.73abatch", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "unprobeable:batch", "reason": "Batch endpoints only answer asynchronous batch queries, so our synchronous probes cannot vet them."}, {"slug": "anthropic2fclaude-opus-4.823anthropic", "model": "claude-opus-4.8", "modelSlug": "anthropic2fclaude-opus-4.8", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "bad_temperature", "reason": "This endpoint claims neither temperature control nor logprobs, so no tracking method can work \u2014 presumably to prevent distillation."}, {"slug": "anthropic2fclaude-opus-4.823anthropic2ffast", "model": "claude-opus-4.8", "modelSlug": "anthropic2fclaude-opus-4.8", "org": "anthropic", "provider": "anthropic/fast", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "bad_temperature", "reason": "This endpoint claims neither temperature control nor logprobs, so no tracking method can work \u2014 presumably to prevent distillation."}, {"slug": "anthropic2fclaude-opus-4.83abatch23anthropic", "model": "claude-opus-4.8:batch", "modelSlug": "anthropic2fclaude-opus-4.83abatch", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "unprobeable:batch", "reason": "Batch endpoints only answer asynchronous batch queries, so our synchronous probes cannot vet them."}, {"slug": "anthropic2fclaude-opus-5.523anthropic", "model": "claude-opus-5.5", "modelSlug": "anthropic2fclaude-opus-5.5", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "bad_temperature", "reason": "This endpoint claims neither temperature control nor logprobs, so no tracking method can work \u2014 presumably to prevent distillation."}, {"slug": "anthropic2fclaude-opus-5.523anthropic2ffast", "model": "claude-opus-5.5", "modelSlug": "anthropic2fclaude-opus-5.5", "org": "anthropic", "provider": "anthropic/fast", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "bad_temperature", "reason": "This endpoint claims neither temperature control nor logprobs, so no tracking method can work \u2014 presumably to prevent distillation."}, {"slug": "anthropic2fclaude-opus-5.53abatch23anthropic", "model": "claude-opus-5.5:batch", "modelSlug": "anthropic2fclaude-opus-5.53abatch", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "unprobeable:batch", "reason": "Batch endpoints only answer asynchronous batch queries, so our synchronous probes cannot vet them."}, {"slug": "anthropic2fclaude-opus-523anthropic", "model": "claude-opus-5", "modelSlug": "anthropic2fclaude-opus-5", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "bad_temperature", "reason": "This endpoint claims neither temperature control nor logprobs, so no tracking method can work \u2014 presumably to prevent distillation."}, {"slug": "anthropic2fclaude-opus-523anthropic2ffast", "model": "claude-opus-5", "modelSlug": "anthropic2fclaude-opus-5", "org": "anthropic", "provider": "anthropic/fast", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "bad_temperature", "reason": "This endpoint claims neither temperature control nor logprobs, so no tracking method can work \u2014 presumably to prevent distillation."}, {"slug": "anthropic2fclaude-opus-53abatch23anthropic", "model": "claude-opus-5:batch", "modelSlug": "anthropic2fclaude-opus-53abatch", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "unprobeable:batch", "reason": "Batch endpoints only answer asynchronous batch queries, so our synchronous probes cannot vet them."}, {"slug": "anthropic2fclaude-sonnet-4.53abatch23anthropic", "model": "claude-sonnet-4.5:batch", "modelSlug": "anthropic2fclaude-sonnet-4.53abatch", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "unprobeable:batch", "reason": "Batch endpoints only answer asynchronous batch queries, so our synchronous probes cannot vet them."}, {"slug": "anthropic2fclaude-sonnet-4.623anthropic", "model": "claude-sonnet-4.6", "modelSlug": "anthropic2fclaude-sonnet-4.6", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "not_selected", "headlines": ["not_selected"], "ltStatus": "no_logprobs", "biStatus": "not_selected", "reason": "This endpoint vetted fine, but the selection budget went to more popular models."}, {"slug": "anthropic2fclaude-sonnet-4.63abatch23anthropic", "model": "claude-sonnet-4.6:batch", "modelSlug": "anthropic2fclaude-sonnet-4.63abatch", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "unprobeable:batch", "reason": "Batch endpoints only answer asynchronous batch queries, so our synchronous probes cannot vet them."}, {"slug": "anthropic2fclaude-sonnet-5.523anthropic", "model": "claude-sonnet-5.5", "modelSlug": "anthropic2fclaude-sonnet-5.5", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "bad_temperature", "reason": "This endpoint claims neither temperature control nor logprobs, so no tracking method can work \u2014 presumably to prevent distillation."}, {"slug": "anthropic2fclaude-sonnet-5.53abatch23anthropic", "model": "claude-sonnet-5.5:batch", "modelSlug": "anthropic2fclaude-sonnet-5.53abatch", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "unprobeable:batch", "reason": "Batch endpoints only answer asynchronous batch queries, so our synchronous probes cannot vet them."}, {"slug": "anthropic2fclaude-sonnet-523anthropic", "model": "claude-sonnet-5", "modelSlug": "anthropic2fclaude-sonnet-5", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "bad_temperature", "reason": "This endpoint claims neither temperature control nor logprobs, so no tracking method can work \u2014 presumably to prevent distillation."}, {"slug": "anthropic2fclaude-sonnet-53abatch23anthropic", "model": "claude-sonnet-5:batch", "modelSlug": "anthropic2fclaude-sonnet-53abatch", "org": "anthropic", "provider": "anthropic", "providerSlug": "anthropic", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "untrackable", "headlines": ["untrackable"], "ltStatus": "no_logprobs", "biStatus": "unprobeable:batch", "reason": "Batch endpoints only answer asynchronous batch queries, so our synchronous probes cannot vet them."}]}