AIIC AI Intelligence Centre

SOURCE-LINKED INTELLIGENCE

Claude 4.5 Haiku (Reasoning): livecodebench

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
0.615
unit
score
dimensions
{"metric":"livecodebench","model":"a6340098-d7ae-462d-b372-0a0a67fc44b4","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":108.561,"timeToFirstAnswerTokenSeconds":14.282,"timeToFirstTokenSeconds":14.282} → {"outputTokensPerSecond":111.425,"timeToFirstAnswerTokenSeconds":13.968,"timeToFirstTokenSeconds":13.968}

2026-09-26T16:33:30.713Z

  • performance: {"outputTokensPerSecond":114.956,"timeToFirstAnswerTokenSeconds":15.297,"timeToFirstTokenSeconds":15.297} → {"outputTokensPerSecond":108.561,"timeToFirstAnswerTokenSeconds":14.282,"timeToFirstTokenSeconds":14.282}

2026-09-25T16:23:29.199Z

  • performance: {"outputTokensPerSecond":130.389,"timeToFirstAnswerTokenSeconds":12.979,"timeToFirstTokenSeconds":12.979} → {"outputTokensPerSecond":114.956,"timeToFirstAnswerTokenSeconds":15.297,"timeToFirstTokenSeconds":15.297}

2026-09-24T16:13:45.287Z

  • performance: {"outputTokensPerSecond":164.951,"timeToFirstAnswerTokenSeconds":14.94,"timeToFirstTokenSeconds":14.94} → {"outputTokensPerSecond":130.389,"timeToFirstAnswerTokenSeconds":12.979,"timeToFirstTokenSeconds":12.979}

2026-09-23T16:13:28.179Z

  • performance: {"outputTokensPerSecond":144.637,"timeToFirstAnswerTokenSeconds":13.923,"timeToFirstTokenSeconds":13.923} → {"outputTokensPerSecond":164.951,"timeToFirstAnswerTokenSeconds":14.94,"timeToFirstTokenSeconds":14.94}

2026-09-22T16:03:50.148Z

  • performance: {"outputTokensPerSecond":121.311,"timeToFirstAnswerTokenSeconds":13.633,"timeToFirstTokenSeconds":13.633} → {"outputTokensPerSecond":144.637,"timeToFirstAnswerTokenSeconds":13.923,"timeToFirstTokenSeconds":13.923}

2026-09-20T21:52:07.471Z

  • pricing: Not provided → {"input":1,"output":5}
  • performance: Not provided → {"outputTokensPerSecond":121.311,"timeToFirstAnswerTokenSeconds":13.633,"timeToFirstTokenSeconds":13.633}