AnthropicClaude Fable 5.1 (Adaptive Reasoning, Medium Effort, Default Fallback)
- Released
- Sep 1, 2026
- Tracked since
- 2026-09-02
Intelligence index48.9Ranks 15 of 664 models with this metric
Coding index77.1Ranks 8 of 259 models with this metric
Agentic index50.2Ranks 18 of 156 models with this metric
Capability profile
5 axes vs. site averageClaude Fable 5.1 (Adaptive Reasoning, Medium 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
- 58 tokens/sec
- Time to first token
- 7.96s
- First answer token
- 7.96s
- End-to-end response
- 16.56s
History
5Intelligence index
60.5→48.9
Output
Unchanged across 62 days of records
Output throughput
47→58
Cheaper at this level
Models with a comparable intelligence index and a lower output price- Muse Spark 1.3 (max)
MetaIntelligence 48.1$4.25−92% - GPT-6 Sol (max)
OpenAIIntelligence 47.5$10.00−80% - 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%