← All benchmarks
Claude Fable 5.1 (Adaptive Reasoning, Low Effort, Default Fallback)
Anthropic · Released 2026-09-01 · Independent benchmark scores from Artificial Analysis
Intelligence Index
47.0
Output speed
50.7
tokens/sec
Blended price
$20.00
per 1M tokens
Time to first token
6.03s
Model metadata
| Model ID | 05776db7-f5c0-40f7-b824-079160f8cfa8 |
|---|---|
| Slug | claude-fable-5-1-low |
| Release date | 2026-09-01 |
| Provider | Anthropic |
| Provider slug | anthropic |
| Output speed | 50.7 tok/s |
| Time to first token | 6.03s |
| Time to first answer | 6.03s |
| Blended price ($/1M) | $20.00 |
| Input price ($/1M) | $10.00 |
| Output price ($/1M) | $50.00 |
All evaluation scores (17)
| aime | — |
|---|---|
| aime 25 | — |
| artificial analysis coding index | 75.20 |
| artificial analysis intelligence index | 47.00 |
| artificial analysis math index | — |
| gpqa | 88.1% |
| hle | 48.9% |
| ifbench | — |
| lcr | 82.3% |
| livecodebench | — |
| math 500 | — |
| mmlu pro | — |
| scicode | 56.7% |
| tau banking | 39.0% |
| tau2 | — |
| terminalbench hard | — |
| terminalbench v2 1 | 85.0% |
Source: artificialanalysis.ai/models/claude-fable-5-1-low
Benchmark data from Artificial Analysis.