{"name": "claude-on-aws", "slug": "claude-on-aws", "brand": {"name": "Claude on AWS", "logo": "claude-on-aws.svg", "kind": "wordmark", "mono": false, "dark": "claude-on-aws-dark.svg"}, "timeline": {"date_min": "2026-08-18", "date_max": "2026-10-14", "changes": [{"date": "2026-08-28", "method": "b3it", "provider": "claude-on-aws", "model": "anthropic/claude-sonnet-4.6"}, {"date": "2026-09-02", "method": "b3it", "provider": "claude-on-aws", "model": "anthropic/claude-sonnet-4.5"}, {"date": "2026-09-09", "method": "b3it", "provider": "claude-on-aws", "model": "anthropic/claude-sonnet-4.5"}], "endpoints": [{"slug": "anthropic2fclaude-sonnet-4.523claude-on-aws", "provider": "claude-on-aws", "base": "claude-on-aws", "providerSlug": "claude-on-aws", "model": "anthropic/claude-sonnet-4.5", "modelSlug": "anthropic2fclaude-sonnet-4.5", "methods": ["b3it"], "first": "2026-08-18", "last": "2026-10-14", "last_query": "2026-10-14", "n_changes": 2, "lt": null, "b3it": {"tv": [["2026-08-18", 0.182], ["2026-08-19", 0.11399999999999999], ["2026-08-20", 0.1485], ["2026-08-21", 0.1725], ["2026-08-22", 0.153], ["2026-08-23", 0.184], ["2026-08-24", 0.18], ["2026-08-25", 0.21100000000000002], ["2026-08-27", 0.13], ["2026-08-28", 0.155], ["2026-08-29", 0.08], ["2026-08-29", 0.10999999999999999], ["2026-08-30", 0.11499999999999999], ["2026-09-01", 0.123], ["2026-09-01", 0.11699999999999999], ["2026-09-02", 0.5015000000000001], ["2026-09-03", 0.4665], ["2026-09-04", 0.1255], ["2026-09-05", 0.11349999999999999], ["2026-09-06", 0.173], ["2026-09-07", 0.1345], ["2026-09-08", 0.13199999999999998], ["2026-09-09", 0.338], ["2026-09-10", 0.3205], ["2026-09-11", 0.338], ["2026-09-12", 0.36000000000000004], ["2026-09-13", 0.35650000000000004], ["2026-09-14", 0.101], ["2026-09-15", 0.165], ["2026-09-16", 0.129], ["2026-09-17", 0.13899999999999998], ["2026-09-18", 0.145], ["2026-09-19", 0.1215], ["2026-09-20", 0.136], ["2026-09-21", 0.1635], ["2026-09-22", 0.13749999999999998], ["2026-09-23", 0.173], ["2026-09-24", 0.13849999999999998], ["2026-09-25", 0.145], ["2026-09-26", 0.13949999999999999], ["2026-09-27", 0.16699999999999998], ["2026-09-29", 0.11249999999999999], ["2026-09-30", 0.13349999999999998], ["2026-10-01", 0.14049999999999999], ["2026-10-02", 0.12649999999999997], ["2026-10-03", 0.13899999999999998], ["2026-10-03", 0.123], ["2026-10-04", 0.1465], ["2026-10-06", 0.1215], ["2026-10-07", 0.148], ["2026-10-08", 0.1325], ["2026-10-09", 0.0985], ["2026-10-10", 0.12049999999999998], ["2026-10-10", 0.16449999999999998], ["2026-10-12", 0.151], ["2026-10-13", 0.11249999999999999], ["2026-10-14", 0.1545], ["2026-10-14", 0.11399999999999999]], "breaks": [8, 13, 41, 48, 54], "changes": [{"date": "2026-09-02", "shiftTV": 0.339}, {"date": "2026-09-09", "shiftTV": 0.207}]}, "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-sonnet-4.623claude-on-aws", "provider": "claude-on-aws", "base": "claude-on-aws", "providerSlug": "claude-on-aws", "model": "anthropic/claude-sonnet-4.6", "modelSlug": "anthropic2fclaude-sonnet-4.6", "methods": ["b3it"], "first": "2026-08-18", "last": "2026-10-14", "last_query": "2026-10-14", "n_changes": 1, "lt": null, "b3it": {"tv": [["2026-08-18", 0.16625], ["2026-08-19", 0.12641666666666668], ["2026-08-20", 0.16425], ["2026-08-21", 0.15391666666666665], ["2026-08-22", 0.16891666666666666], ["2026-08-23", 0.12575], ["2026-08-24", 0.14575], ["2026-08-25", 0.15375], ["2026-08-27", 0.16158333333333333], ["2026-08-28", 0.4089473684210526], ["2026-08-29", 0.4205263157894737], ["2026-08-29", 0.3405263157894737], ["2026-08-30", 0.3931578947368421], ["2026-09-01", 0.16], ["2026-09-01", 0.1365], ["2026-09-02", 0.3005], ["2026-09-03", 0.335], ["2026-09-04", 0.325], ["2026-09-05", 0.3205], ["2026-09-06", 0.3185], ["2026-09-07", 0.292], ["2026-09-08", 0.3055], ["2026-09-09", 0.3205], ["2026-09-10", 0.31], ["2026-09-11", 0.366], ["2026-09-12", 0.398], ["2026-09-13", 0.365], ["2026-09-14", 0.402], ["2026-09-15", 0.42800000000000005], ["2026-09-16", 0.41700000000000004], ["2026-09-17", 0.41800000000000004], ["2026-09-18", 0.402], ["2026-09-19", 0.402], ["2026-09-20", 0.387], ["2026-09-21", 0.342], ["2026-09-22", 0.343], ["2026-09-23", 0.367], ["2026-09-24", 0.3295], ["2026-09-25", 0.367], ["2026-09-26", 0.397], ["2026-09-27", 0.342], ["2026-09-29", 0.376], ["2026-09-30", 0.3825], ["2026-10-01", 0.3575], ["2026-10-02", 0.337], ["2026-10-03", 0.372], ["2026-10-03", 0.36], ["2026-10-04", 0.37], ["2026-10-06", 0.336], ["2026-10-07", 0.41300000000000003], ["2026-10-08", 0.366], ["2026-10-09", 0.35250000000000004], ["2026-10-10", 0.396], ["2026-10-10", 0.36000000000000004], ["2026-10-12", 0.372], ["2026-10-13", 0.34950000000000003], ["2026-10-14", 0.34750000000000003], ["2026-10-14", 0.34900000000000003]], "breaks": [8, 13, 41, 48, 54], "changes": [{"date": "2026-08-28", "shiftTV": 0.239}]}, "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."}}]}, "n_endpoints": 2, "n_active": 2, "n_models": 2, "n_variants": 1, "first": "2026-08-18", "last": "2026-10-14", "lt": {"endpoints": 0, "years": 0.0, "changes": 0, "rate": null, "ci": null}, "b3it": {"endpoints": 2, "years": 0.31, "changes": 3, "rate": null, "ci": null}, "variants": [{"name": "", "n_endpoints": 2, "lt": {"endpoints": 0, "years": 0.0, "changes": 0, "rate": null, "ci": null}, "b3it": {"endpoints": 2, "years": 0.31, "changes": 3, "rate": null, "ci": null}}], "changes": [{"date": "2026-09-09", "iso": "2026-09-09T22:50:38Z", "daysAgo": 35, "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": [0.182, 0.114, 0.148, 0.172, 0.153, 0.184, 0.18, 0.211, 0.13, 0.155, 0.08, 0.11, 0.115, 0.123, 0.117, 0.502, 0.467, 0.126, 0.113, 0.154, 0.132, 0.338, 0.321, 0.338, 0.36, 0.357, 0.101, 0.165, 0.129, 0.139, 0.145, 0.121, 0.136, 0.164, 0.137, 0.173, 0.138, 0.145, 0.139, 0.14], "changeFrac": 0.513, "slug": "anthropic2fclaude-sonnet-4.523claude-on-aws", "endpointSlug": "anthropic2fclaude-sonnet-4.523claude-on-aws", "model": "claude-sonnet-4.5", "org": "anthropic", "modelSlug": "anthropic2fclaude-sonnet-4.5", "provider": "claude-on-aws", "providerSlug": "claude-on-aws", "brand": {"name": "Claude on AWS", "logo": "claude-on-aws.svg", "kind": "wordmark", "mono": false, "dark": "claude-on-aws-dark.svg"}, "variant": ""}, {"date": "2026-09-02", "iso": "2026-09-02T22:54:31Z", "daysAgo": 42, "method": "b3it", "magnitude": 0.339, "desc": "Probe-prompt outputs shifted (total variation 0.34)", "primary": "TV 0.34", "secondary": "border-input shift", "sevKey": "changed", "trace": [0.182, 0.114, 0.148, 0.172, 0.153, 0.184, 0.18, 0.211, 0.13, 0.155, 0.08, 0.11, 0.115, 0.123, 0.117, 0.502, 0.467, 0.126, 0.113, 0.173, 0.135, 0.132, 0.338, 0.321, 0.338, 0.36, 0.357, 0.101, 0.165, 0.129, 0.139, 0.145, 0.121, 0.136, 0.164], "changeFrac": 0.441, "slug": "anthropic2fclaude-sonnet-4.523claude-on-aws", "endpointSlug": "anthropic2fclaude-sonnet-4.523claude-on-aws", "model": "claude-sonnet-4.5", "org": "anthropic", "modelSlug": "anthropic2fclaude-sonnet-4.5", "provider": "claude-on-aws", "providerSlug": "claude-on-aws", "brand": {"name": "Claude on AWS", "logo": "claude-on-aws.svg", "kind": "wordmark", "mono": false, "dark": "claude-on-aws-dark.svg"}, "variant": ""}, {"date": "2026-08-28", "iso": "2026-08-28T05:01:37Z", "daysAgo": 48, "method": "b3it", "magnitude": 0.239, "desc": "Probe-prompt outputs shifted (total variation 0.24)", "primary": "TV 0.24", "secondary": "border-input shift", "sevKey": "stable", "trace": [0.166, 0.126, 0.164, 0.154, 0.169, 0.126, 0.146, 0.154, 0.162, 0.409, 0.421, 0.341, 0.393, 0.16, 0.137, 0.3, 0.335, 0.325, 0.321, 0.319, 0.292, 0.305, 0.321, 0.31, 0.366, 0.398, 0.365, 0.402, 0.428], "changeFrac": 0.321, "slug": "anthropic2fclaude-sonnet-4.623claude-on-aws", "endpointSlug": "anthropic2fclaude-sonnet-4.623claude-on-aws", "model": "claude-sonnet-4.6", "org": "anthropic", "modelSlug": "anthropic2fclaude-sonnet-4.6", "provider": "claude-on-aws", "providerSlug": "claude-on-aws", "brand": {"name": "Claude on AWS", "logo": "claude-on-aws.svg", "kind": "wordmark", "mono": false, "dark": "claude-on-aws-dark.svg"}, "variant": ""}], "endpoints": [{"slug": "anthropic2fclaude-sonnet-4.523claude-on-aws", "model": "claude-sonnet-4.5", "modelSlug": "anthropic2fclaude-sonnet-4.5", "org": "anthropic", "provider": "claude-on-aws", "providerSlug": "claude-on-aws", "methods": ["b3it"], "status": "changed", "lastChange": "2026-09-09", "recent": true, "nChanges": 2, "trace": [0.148, 0.16, 0.168, 0.196, 0.143, 0.095, 0.119, 0.309, 0.296, 0.143, 0.133, 0.329, 0.349, 0.208, 0.134, 0.133, 0.15, 0.155, 0.142, 0.153, 0.123, 0.133, 0.131, 0.134, 0.14, 0.109, 0.158, 0.127], "changeFracs": [0.264, 0.386], "headline": "tracked", "headlines": ["tracked"], "ltStatus": "no_logprobs", "biStatus": "monitoring", "reason": "This endpoint is actively monitored through its border inputs."}, {"slug": "anthropic2fclaude-sonnet-4.623claude-on-aws", "model": "claude-sonnet-4.6", "modelSlug": "anthropic2fclaude-sonnet-4.6", "org": "anthropic", "provider": "claude-on-aws", "providerSlug": "claude-on-aws", "methods": ["b3it"], "status": "changed", "lastChange": "2026-08-28", "recent": true, "nChanges": 1, "trace": [0.146, 0.159, 0.147, 0.15, 0.285, 0.381, 0.277, 0.218, 0.33, 0.32, 0.299, 0.315, 0.382, 0.398, 0.418, 0.402, 0.365, 0.355, 0.348, 0.37, 0.379, 0.347, 0.366, 0.353, 0.39, 0.374, 0.366, 0.349], "changeFracs": [0.163], "headline": "tracked", "headlines": ["tracked"], "ltStatus": "no_logprobs", "biStatus": "monitoring", "reason": "This endpoint is actively monitored through its border inputs."}, {"slug": "anthropic2fclaude-fable-523claude-on-aws", "model": "claude-fable-5", "modelSlug": "anthropic2fclaude-fable-5", "org": "anthropic", "provider": "claude-on-aws", "providerSlug": "claude-on-aws", "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-5.523claude-on-aws", "model": "claude-haiku-5.5", "modelSlug": "anthropic2fclaude-haiku-5.5", "org": "anthropic", "provider": "claude-on-aws", "providerSlug": "claude-on-aws", "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-4.523claude-on-aws", "model": "claude-opus-4.5", "modelSlug": "anthropic2fclaude-opus-4.5", "org": "anthropic", "provider": "claude-on-aws", "providerSlug": "claude-on-aws", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "too_expensive", "headlines": ["too_expensive"], "ltStatus": "no_logprobs", "biStatus": "too_expensive", "reason": "This endpoint costs more than our tracking budget allows."}, {"slug": "anthropic2fclaude-opus-4.623claude-on-aws", "model": "claude-opus-4.6", "modelSlug": "anthropic2fclaude-opus-4.6", "org": "anthropic", "provider": "claude-on-aws", "providerSlug": "claude-on-aws", "methods": [], "status": null, "lastChange": null, "recent": false, "nChanges": 0, "trace": [], "changeFracs": [], "headline": "too_expensive", "headlines": ["too_expensive"], "ltStatus": "no_logprobs", "biStatus": "too_expensive", "reason": "This endpoint costs more than our tracking budget allows."}, {"slug": "anthropic2fclaude-opus-4.723claude-on-aws", "model": "claude-opus-4.7", "modelSlug": "anthropic2fclaude-opus-4.7", "org": "anthropic", "provider": "claude-on-aws", "providerSlug": "claude-on-aws", "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-4.823claude-on-aws", "model": "claude-opus-4.8", "modelSlug": "anthropic2fclaude-opus-4.8", "org": "anthropic", "provider": "claude-on-aws", "providerSlug": "claude-on-aws", "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-5.523claude-on-aws", "model": "claude-opus-5.5", "modelSlug": "anthropic2fclaude-opus-5.5", "org": "anthropic", "provider": "claude-on-aws", "providerSlug": "claude-on-aws", "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-523claude-on-aws", "model": "claude-opus-5", "modelSlug": "anthropic2fclaude-opus-5", "org": "anthropic", "provider": "claude-on-aws", "providerSlug": "claude-on-aws", "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-5.523claude-on-aws", "model": "claude-sonnet-5.5", "modelSlug": "anthropic2fclaude-sonnet-5.5", "org": "anthropic", "provider": "claude-on-aws", "providerSlug": "claude-on-aws", "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-523claude-on-aws", "model": "claude-sonnet-5", "modelSlug": "anthropic2fclaude-sonnet-5", "org": "anthropic", "provider": "claude-on-aws", "providerSlug": "claude-on-aws", "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."}]}