AIIC AI Intelligence Centre

SOURCE-LINKED INTELLIGENCE

GPT-5.5 Instant (June 2026): terminalbench v2 1

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
0.348314606741573
unit
score
dimensions
{"metric":"terminalbench_v2_1","model":"c4169d75-9d24-4794-a9c3-69e1fe364de5","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":130.562,"timeToFirstAnswerTokenSeconds":16.153,"timeToFirstTokenSeconds":0.834} → {"outputTokensPerSecond":135.572,"timeToFirstAnswerTokenSeconds":15.552,"timeToFirstTokenSeconds":0.8}

2026-09-26T16:33:30.713Z

  • performance: {"outputTokensPerSecond":127.028,"timeToFirstAnswerTokenSeconds":16.642,"timeToFirstTokenSeconds":0.897} → {"outputTokensPerSecond":130.562,"timeToFirstAnswerTokenSeconds":16.153,"timeToFirstTokenSeconds":0.834}

2026-09-25T16:23:29.199Z

  • performance: {"outputTokensPerSecond":124.224,"timeToFirstAnswerTokenSeconds":17.016,"timeToFirstTokenSeconds":0.916} → {"outputTokensPerSecond":127.028,"timeToFirstAnswerTokenSeconds":16.642,"timeToFirstTokenSeconds":0.897}

2026-09-24T16:13:45.287Z

  • performance: {"outputTokensPerSecond":128.704,"timeToFirstAnswerTokenSeconds":16.44,"timeToFirstTokenSeconds":0.901} → {"outputTokensPerSecond":124.224,"timeToFirstAnswerTokenSeconds":17.016,"timeToFirstTokenSeconds":0.916}

2026-09-23T16:13:28.179Z

  • performance: {"outputTokensPerSecond":128.861,"timeToFirstAnswerTokenSeconds":16.385,"timeToFirstTokenSeconds":0.864} → {"outputTokensPerSecond":128.704,"timeToFirstAnswerTokenSeconds":16.44,"timeToFirstTokenSeconds":0.901}

2026-09-22T16:03:50.148Z

  • performance: {"outputTokensPerSecond":137.319,"timeToFirstAnswerTokenSeconds":15.406,"timeToFirstTokenSeconds":0.842} → {"outputTokensPerSecond":128.861,"timeToFirstAnswerTokenSeconds":16.385,"timeToFirstTokenSeconds":0.864}

2026-09-20T21:52:07.471Z

  • pricing: Not provided → {"input":5,"output":30}
  • performance: Not provided → {"outputTokensPerSecond":137.319,"timeToFirstAnswerTokenSeconds":15.406,"timeToFirstTokenSeconds":0.842}