Anthropic
Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)
Quality Score79.9
Value Score45.0
Reliability71.7
Cache Discount90%
Model specification
- Reasoning
- reasoning
- Input modalities
- text, image
- Output modalities
- text
- Context window
- 1M tokens
- Weights
- closed weights
Token prices USD per 1M tokens
- Input
- $10.00
- Output
- $50.00
- Cached Input
- $1.00
- Cached Output
- $12.50
- Cost per task
- $3.14
Capability
- Intelligence
- 62.1
- Coding
- 76.5
- Agentic
- 56.6
- Omniscience
- 43.3
- Correct
- 65.3%
- Blended price
- $7.70
Answer outcomes
Correct 65.3%Incorrect 22.0%Abstained 12.6%
Artificial Analysis benchmarks
- GDPval-AA v2
- 62%
- τ³-Banking
- 38%
- Terminal-Bench v2.1
- 85%
- SciCode
- 60%
- Humanity’s Last Exam
- 55%
- GPQA Diamond
- 93%
- CritPt
- 29%
- AA-Omniscience
- 72%
- AA-LCR
- 77%
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