2026-09-27T16:42:39.883Z
- performance:
{"outputTokensPerSecond":79.301,"timeToFirstAnswerTokenSeconds":3.362,"timeToFirstTokenSeconds":3.362}→ {"outputTokensPerSecond":79.836,"timeToFirstAnswerTokenSeconds":5.309,"timeToFirstTokenSeconds":5.309}
SOURCE-LINKED INTELLIGENCE
Claude Opus 5.5 (Adaptive Reasoning, Low Effort, Default Fallback): artificial analysis intelligence index
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
- 42.3
- unit
- index
- dimensions
- {"metric":"artificial_analysis_intelligence_index","model":"4416ca93-fde6-4b7b-abbc-3a6be109cc3d","parallel_queries":1,"prompt_length":1000}
Evidence & attribution
Artificial Analysis
First collected: 2026-09-23T16:13:28.179Z. This is not the publication date.
Observed changes
AIIC observation times, not verified publisher revision times. Up to eight recent revisions.
2026-09-26T16:33:30.713Z
- performance:
{"outputTokensPerSecond":72.172,"timeToFirstAnswerTokenSeconds":2.994,"timeToFirstTokenSeconds":2.994}→ {"outputTokensPerSecond":79.301,"timeToFirstAnswerTokenSeconds":3.362,"timeToFirstTokenSeconds":3.362}
2026-09-25T16:23:29.199Z
- performance:
{"outputTokensPerSecond":71.881,"timeToFirstAnswerTokenSeconds":2.935,"timeToFirstTokenSeconds":2.935}→ {"outputTokensPerSecond":72.172,"timeToFirstAnswerTokenSeconds":2.994,"timeToFirstTokenSeconds":2.994}
2026-09-24T16:13:45.287Z
- performance:
{"outputTokensPerSecond":69.086,"timeToFirstAnswerTokenSeconds":2.708,"timeToFirstTokenSeconds":2.708}→ {"outputTokensPerSecond":71.881,"timeToFirstAnswerTokenSeconds":2.935,"timeToFirstTokenSeconds":2.935}