Claude Fable 5.1 (Max, Default Fallback) API Pricing
Anthropic · released 2026-09-01 · merges 5 reasoning-effort tiers
Also searched as: Claude Fable 5.1 pricing · Fable 5.1 price
Benchmarks shown for the highest-scoring reasoning tier. Merged tiers: Claude Fable 5.1 (Max, Default Fallback), Claude Fable 5.1 (Xhigh, Default Fallback), Claude Fable 5.1 (High, Default Fallback), Claude Fable 5.1 (Medium, Default Fallback), Claude Fable 5.1 (Low, Default Fallback).
Claude Fable 5.1 price
1.00¢ / 1K
5.00¢ / 1K
2.00¢ / 1K
What it actually costs
| Workload | Tokens | Cost |
|---|---|---|
| Short chat reply | 500 in / 300 out | $0.0200 |
| RAG query | 4,000 in / 500 out | $0.0650 |
| Long document summary | 50,000 in / 1,000 out | $0.5500 |
| Code review of a 2k-line file | 30,000 in / 2,000 out | $0.4000 |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $600.00 |
Cost = (input tokens ÷ 1,000,000 × $10.00) + (output tokens ÷ 1,000,000 × $50.00).
Benchmarks
#4 of 547
#1 of 195
Similar intelligence, lower price
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Claude Sonnet 5.5 (Max, Default Fallback) | 56.0 | $4.00 |
| Gemini 4 Argon (High) | 52.6 | $4.00 |
| GPT-6.1 Sol (Max) | 51.8 | $4.00 |
| Muse Wonder (Max) | 52.4 | $8.00 |
| Claude Opus 5 (Max) | 50.8 | $10.00 |
Leaderboard neighbours
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Claude Opus 5.5 (Max, Default Fallback) | 57.6 | $8.00 |
| Claude Sonnet 5.5 (Max, Default Fallback) | 56.0 | $4.00 |
| Muse Wonder Full (Max) | 55.8 | — |
| Claude Fable 5.1 (Max, Default Fallback) | 53.4 | $20.00 |
| GPT-6 Astra (Max) | 52.7 | $20.00 |
| Gemini 4 Argon (High) | 52.6 | $4.00 |
| Muse Wonder (Max) | 52.4 | $8.00 |
More from Anthropic
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Claude Opus 5.5 (Max, Default Fallback) | 57.6 | $8.00 |
| Claude Sonnet 5.5 (Max, Default Fallback) | 56.0 | $4.00 |
| Claude Opus 5 (Max) | 50.8 | $10.00 |
| Claude Fable 5 (Max, Opus 4.8 Fallback) | 49.6 | $20.00 |
| Claude Haiku 5.5 (Max) | 43.4 | $0.20 |
| Claude Opus 4.8 (Max) | 41.8 | $10.00 |
| Claude Opus 4.7 (Max) | 40.7 | $10.00 |
| Claude Sonnet 5 (Max) | 38.2 | $4.00 |
Count tokens & estimate cost for Claude Fable 5.1 (Max, Default Fallback) See Claude Fable 5.1 (Max, Default Fallback) on the leaderboard
Source: Artificial Analysis · last synced 2026-10-15
FAQ
Who develops Claude Fable 5.1 (Max, Default Fallback)?
Claude Fable 5.1 (Max, Default Fallback) is developed by Anthropic, released 2026-09-01.
How much does Claude Fable 5.1 (Max, Default Fallback) cost per million tokens?
Claude Fable 5.1 (Max, Default Fallback) costs $10.00 per 1M input tokens and $50.00 per 1M output tokens ($20.00 blended), per Artificial Analysis's official pricing data.
What is the Claude Fable 5.1 API price?
The Claude Fable 5.1 API price is $10.00 per 1M input tokens and $50.00 per 1M output tokens ($20.00 per 1M blended).
How much does Claude Fable 5.1 cost for a typical request?
A short chat reply (500 in / 300 out tokens) costs about $0.0200 on Claude Fable 5.1, at $10.00/1M input and $50.00/1M output.
Is Claude Fable 5.1 free?
Claude Fable 5.1's official API list price is $10.00 per 1M input tokens and $50.00 per 1M output tokens. This site tracks list prices only, not free tiers or trial credits — check Anthropic's site for those.
How does Claude Fable 5.1 (Max, Default Fallback) rank on benchmarks?
Claude Fable 5.1 (Max, Default Fallback) scores 53.4 on the Artificial Analysis Intelligence Index, ranking #4 of 547 models we track.
Is there a cheaper model with similar intelligence to Claude Fable 5.1 (Max, Default Fallback)?
Yes — Claude Sonnet 5.5 (Max, Default Fallback) scores similar intelligence (56.0) at $4.00/1M blended, versus $20.00/1M for Claude Fable 5.1 (Max, Default Fallback).
Where does this data come from?
Pricing and benchmark data for Claude Fable 5.1 (Max, Default Fallback) comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-10-15.