Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 5 Fallback) API Pricing
Anthropic
Pricing
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
Leaderboard neighbours
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Tiny Aya Global | 4.8 | — |
| Gemma 3 12B Instruct | 3.8 | — |
| K2 Horizon 0.9B | 3.0 | — |
| Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 5 Fallback) | — | $20.00 |
| Cogito v2.1 (Reasoning) | — | $1.25 |
| GPT-3.5 Turbo (0613) | — | — |
| GPT-4o Realtime (Dec '24) | — | — |
More from Anthropic
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback) | 53.4 | $20.00 |
| Claude Opus 5 (Adaptive Reasoning, Max Effort) | 50.8 | $10.00 |
| Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) | 49.6 | $20.00 |
| Claude Opus 4.8 (Adaptive Reasoning, Max Effort) | 41.8 | $10.00 |
| Claude Opus 4.7 (Adaptive Reasoning, Max Effort) | 40.7 | $10.00 |
| Claude Sonnet 5 (Adaptive Reasoning, Max Effort) | 38.2 | $4.00 |
| Claude Opus 4.6 (Adaptive Reasoning, Max Effort) | 31.9 | $10.00 |
| Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) | 30.1 | $6.00 |
Count tokens & estimate cost for Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 5 Fallback) See Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 5 Fallback) on the leaderboard
Source: Artificial Analysis · last synced 2026-08-13
FAQ
Who develops Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 5 Fallback)?
Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 5 Fallback) is developed by Anthropic.
How much does Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 5 Fallback) cost per million tokens?
Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 5 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.
Where does this data come from?
Pricing and benchmark data for Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 5 Fallback) comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-08-13.