Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) API Pricing
Anthropic · released 2026-06-09
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
#4 of 533
#7 of 197
Similar intelligence, lower price
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Muse Spark 1.3 (max) | 48.1 | $2.00 |
| GPT-5.6 Sol (max) | 47.0 | $8.00 |
| Claude Opus 5 (Adaptive Reasoning, Max Effort) | 50.8 | $10.00 |
Leaderboard neighbours
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback) | 53.4 | $20.00 |
| GPT-6 Astra (max) | 52.7 | $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 |
| Muse Spark 1.3 (max) | 48.1 | $2.00 |
| GPT-5.6 Sol (max) | 47.0 | $8.00 |
| Grok 4.7 (xhigh) | 46.4 | $3.00 |
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 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 |
| Claude Opus 4.5 (Reasoning) | 29.1 | $10.00 |
Count tokens & estimate cost for Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) See Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) on the leaderboard
Source: Artificial Analysis · last synced 2026-09-22
FAQ
Who develops Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)?
Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) is developed by Anthropic, released 2026-06-09.
How much does Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) cost per million tokens?
Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 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.
How does Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) rank on benchmarks?
Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) scores 49.6 on the Artificial Analysis Intelligence Index, ranking #4 of 533 models we track.
Is there a cheaper model with similar intelligence to Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)?
Yes — Muse Spark 1.3 (max) scores similar intelligence (48.1) at $2.00/1M blended, versus $20.00/1M for Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback).
Where does this data come from?
Pricing and benchmark data for Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-09-22.