AnthropicClaude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)
- Released
- Sep 1, 2026
- Tracked since
- 2026-09-02
Intelligence index53.4Ranks 4 of 664 models with this metric
Coding index81.6Ranks 1 of 259 models with this metric
Agentic index57.9Ranks 1 of 156 models with this metric
Capability profile
5 axes vs. site averageClaude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)
Site average
Pricing
per 1M tokens- Input
- $10.00
- Output
- $50.00
- Cache read
- $0.250
- Cache write
- $12.50
Performance
- Output throughput
- 70 tokens/sec
- Time to first token
- 260.11s
- First answer token
- 260.11s
- End-to-end response
- 267.29s
History
4Intelligence index
65.7→53.4
Output
Unchanged across 62 days of records
Output throughput
66→70
Cheaper at this level
Models with a comparable intelligence index and a lower output price- Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback)AnthropicIntelligence 57.6$20.00−60%
- Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)AnthropicIntelligence 56$20.00−60%
- Claude Opus 5.5 (Adaptive Reasoning, High Effort, Default Fallback)AnthropicIntelligence 53.6$20.00−60%
- Claude Opus 5.5 (Adaptive Reasoning, Medium Effort, Default Fallback)AnthropicIntelligence 51.2$20.00−60%
- Claude Opus 5 (Adaptive Reasoning, Max Effort)AnthropicIntelligence 50.8$25.00−50%