AIIC AI Intelligence Centre

SOURCE-LINKED INTELLIGENCE

Claude Fable 5.1 (Adaptive Reasoning, Medium Effort, Default Fallback): gpqa

Artificial Analysis · observation · Publication date unknown

Benchmark data by Artificial Analysis. Current measurement; upstream does not provide a measurement timestamp or benchmark revision here.

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recordType
observation
region
Global
value
0.886
unit
score
dimensions
{"metric":"gpqa","model":"3b7de71c-e034-4591-8ca6-6b6be2fa471f","parallel_queries":1,"prompt_length":1000}

Evidence & attribution

Artificial Analysis

First collected: 2026-09-19T21:50:47.018Z. This is not the publication date.

Observed changes

AIIC observation times, not verified publisher revision times. Up to eight recent revisions.

2026-09-27T16:42:39.883Z

  • performance: {"outputTokensPerSecond":51.533,"timeToFirstAnswerTokenSeconds":8.213,"timeToFirstTokenSeconds":8.213} → {"outputTokensPerSecond":56.958,"timeToFirstAnswerTokenSeconds":5.948,"timeToFirstTokenSeconds":5.948}

2026-09-26T16:33:30.713Z

  • performance: {"outputTokensPerSecond":49.313,"timeToFirstAnswerTokenSeconds":6.403,"timeToFirstTokenSeconds":6.403} → {"outputTokensPerSecond":51.533,"timeToFirstAnswerTokenSeconds":8.213,"timeToFirstTokenSeconds":8.213}

2026-09-25T16:23:29.199Z

  • performance: {"outputTokensPerSecond":48.369,"timeToFirstAnswerTokenSeconds":5.894,"timeToFirstTokenSeconds":5.894} → {"outputTokensPerSecond":49.313,"timeToFirstAnswerTokenSeconds":6.403,"timeToFirstTokenSeconds":6.403}

2026-09-24T16:13:45.287Z

  • performance: {"outputTokensPerSecond":50.713,"timeToFirstAnswerTokenSeconds":5.543,"timeToFirstTokenSeconds":5.543} → {"outputTokensPerSecond":48.369,"timeToFirstAnswerTokenSeconds":5.894,"timeToFirstTokenSeconds":5.894}

2026-09-23T16:13:28.179Z

  • performance: {"outputTokensPerSecond":50.862,"timeToFirstAnswerTokenSeconds":5.458,"timeToFirstTokenSeconds":5.458} → {"outputTokensPerSecond":50.713,"timeToFirstAnswerTokenSeconds":5.543,"timeToFirstTokenSeconds":5.543}

2026-09-22T16:03:50.148Z

  • performance: {"outputTokensPerSecond":50.237,"timeToFirstAnswerTokenSeconds":5.911,"timeToFirstTokenSeconds":5.911} → {"outputTokensPerSecond":50.862,"timeToFirstAnswerTokenSeconds":5.458,"timeToFirstTokenSeconds":5.458}

2026-09-20T21:52:07.471Z

  • pricing: Not provided → {"input":10,"output":50}
  • performance: Not provided → {"outputTokensPerSecond":50.237,"timeToFirstAnswerTokenSeconds":5.911,"timeToFirstTokenSeconds":5.911}