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Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)
Anthropic · Released 2026-02-17 · Independent benchmark scores from Artificial Analysis
Intelligence Index
47.2
Output speed
0.0
tokens/sec
Blended price
$6.00
per 1M tokens
Time to first token
0.00s
Model metadata
| Model ID | df8d14e0-3997-4e4d-b4ad-9c047acc9c69 |
|---|---|
| Slug | claude-sonnet-4-6-adaptive |
| Release date | 2026-02-17 |
| Provider | Anthropic |
| Provider slug | anthropic |
| Output speed | 0.0 tok/s |
| Time to first token | 0.00s |
| Time to first answer | 0.00s |
| Blended price ($/1M) | $6.00 |
| Input price ($/1M) | $3.00 |
| Output price ($/1M) | $15.00 |
All evaluation scores (17)
| aime | — |
|---|---|
| aime 25 | — |
| artificial analysis coding index | 63.00 |
| artificial analysis intelligence index | 47.20 |
| artificial analysis math index | — |
| gpqa | 87.5% |
| hle | 30.0% |
| ifbench | 56.6% |
| lcr | 70.7% |
| livecodebench | — |
| math 500 | — |
| mmlu pro | — |
| scicode | 46.8% |
| tau banking | 30.5% |
| tau2 | 75.7% |
| terminalbench hard | 53.0% |
| terminalbench v2 1 | 71.2% |
Source: artificialanalysis.ai/models/claude-sonnet-4-6-adaptive
Benchmark data from Artificial Analysis.