readable AI benchmarks (simplified)
Anthropic
Claude Fable 5.1 (Xhigh, Default Fallback)
Claude Fable 5.1 (Xhigh, Default Fallback) has a Quality Score of 76.5, ranking 4th among 398 scored models. Per 1M tokens, pricing is $10.00 input, $50.00 output, $0.250 cached input, and $12.50 cache write. It has a 1M token context window. Its Reliability Score is 71.2, ranking 7th among 399 scored models, above average (total average: 38.0). Its Value Score is 42.6, high compared with the total Value average of 33.2.
Quality Score76.5coverage 100.0%: AA Intelligence and AA-Omniscience outcomes available
Value Score42.6
Factual reliability71.2
Cache Discount98%
Model specification
- Reasoning
- reasoning
- Input modalities
- none
- Output modalities
- none
- Context window
- 1M tokens
- Weights
- closed weights
Token prices USD per 1M tokens
- Input
- $10.00
- Output
- $50.00
- Cached Input
- $0.250
- Cache write
- $12.50
- Cost per task
- $5.98
Capability
- Intelligence
- 53.2
- Coding
- not available
- Agentic
- not available
- Omniscience
- 42.4
- Correct
- 66.2%
- Blended price
- $7.18
Answer outcomes
Fully graded outcomes (Correct + Incorrect): 90.1%
Correct 66.2%Incorrect 23.8%Partial / not attempted 9.9%
Artificial Analysis benchmarks
- GDPval-AA v2
- 62%
- τ³-Banking
- 46%
- SciCode
- 61%
- Humanity’s Last Exam
- 59%
- GPQA Diamond
- 93%
- CritPt
- 31%
- AA-Omniscience
- 71%
- AA-LCR
- 83%
Similar models
- Claude Opus 5.5 (High, Default Fallback)AnthropicQuality Score 76.4Value Score 47.0
- Claude Fable 5.1AnthropicQuality Score 76.9Value Score 42.8
- Claude Sonnet 5.5AnthropicQuality Score 76.2Value Score 50.8
- Claude Opus 5.5 (Medium, Default Fallback)AnthropicQuality Score 74.5Value Score 45.8
- Claude Fable 5.1 (High, Default Fallback)AnthropicQuality Score 74.5Value Score 41.5
- Claude Opus 5.5 (Xhigh, Default Fallback)AnthropicQuality Score 78.7Value Score 48.4