← All benchmarks
Claude Opus 5.5 (High, Default Fallback)
Anthropic · Released 2026-09-22 · Independent benchmark scores from Artificial Analysis
Intelligence Index
53.6
Output speed
75.6
tokens/sec
Blended price
$8.00
per 1M tokens
Time to first token
27.37s
Model metadata
| Model ID | f314eade-2232-44bf-a3ab-9b326bc67de6 |
|---|---|
| Slug | claude-opus-5-5-high |
| Release date | 2026-09-22 |
| Provider | Anthropic |
| Provider slug | anthropic |
| Output speed | 75.6 tok/s |
| Time to first token | 27.37s |
| Time to first answer | 27.37s |
| Blended price ($/1M) | $8.00 |
| Input price ($/1M) | $4.00 |
| Output price ($/1M) | $20.00 |
All evaluation scores (18)
| aime | — |
|---|---|
| aime 25 | — |
| artificial analysis coding index | — |
| artificial analysis intelligence index | 53.60 |
| artificial analysis math index | — |
| gpqa | — |
| hle | 55.6% |
| ifbench | — |
| lcr | 82.7% |
| livecodebench | — |
| math 500 | — |
| mmlu pro | — |
| scicode | 60.4% |
| tau banking | — |
| tau2 | — |
| terminalbench hard | — |
| terminalbench v2 1 | — |
| terminalbench v4 0 | 56.6% |
Source: artificialanalysis.ai/models/claude-opus-5-5-high
Benchmark data from Artificial Analysis.