Claude Fable 5.1 (Adaptive Reasoning, High Effort, Default Fallback)
AnthropicClaude
Release Date
2026-09-01
Parameters
—
Context Length
1.0M
Modalities
image, pdf, text
Capability Radar
61
general
76
coding
91
reasoning
72
science
87
agents
80
multimodal
Rankings
| Domain | #Rank | Score | Source |
|---|---|---|---|
| Code Ranking | 4 | 95.0 | AA |
| General Ranking | 5 | 95.0 | AA |
| Science | 5 | 94.0 | AA |
Benchmark Scores (LLM Stats)
(LLM Stats (zeroeval))No benchmark data available
AA Evaluation Indices
(Artificial Analysis)Gpqa(NYU + Cohere + Anthropic (2023))90.6
Terminalbench V2 189.9
Coding Index(Artificial Analysis)79.1
Lcr(Artificial Analysis)77.0
Intelligence Index(Artificial Analysis)62.5
Scicode(UIUC + Argonne National Lab (2024))57.6
Hle(Center for AI Safety + Scale AI (2025))55.9
Tau Banking43.1
LLM Stats Category Scores
(LLM Stats (zeroeval))No category score data available
Pricing
Input Price$10 / 1M tokens
Output Price$50 / 1M tokens
Blended Price (3:1)$20 / 1M tokens
Cache Read Price$0.25 / 1M tokens
Cache Write Price$12.5 / 1M tokens
Speed
Tokens/sec61.4
Time to First Token16.07s
Time to Answer16.07s
Provider Price Ranking
Provider Price Ranking
1 providers
ProviderInputOutput
1AnthropicPRIMARY
$10
$50
Compare pricing across different API providers for this model.