Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 5 Fallback) API Pricing

Anthropic

Also searched as: Claude Fable 5 pricing · Fable 5 price

Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 5 Fallback) price

$10.00
input / 1M tokens
1.00¢ / 1K
$50.00
output / 1M tokens
5.00¢ / 1K
$20.00
blended / 1M tokens
2.00¢ / 1K

What it actually costs

WorkloadTokensCost
Short chat reply500 in / 300 out$0.0200
RAG query4,000 in / 500 out$0.0650
Long document summary50,000 in / 1,000 out$0.5500
Code review of a 2k-line file30,000 in / 2,000 out$0.4000
1,000 chat replies/day for 30 days30,000 × (500 in / 300 out)$600.00

Cost = (input tokens ÷ 1,000,000 × $10.00) + (output tokens ÷ 1,000,000 × $50.00).

Benchmarks

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Intelligence
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Coding
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Math
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Tokens/sec
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Time to first token

Leaderboard neighbours

ModelIntelligenceBlended $/1M
Tiny Aya Global4.8—
Gemma 3 12B Instruct3.8—
K2 Horizon 0.9B3.0—
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

ModelIntelligenceBlended $/1M
Claude Opus 5.5 (Max, Default Fallback)57.6$8.00
Claude Sonnet 5.5 (Max, Default Fallback)56.0$4.00
Claude Fable 5.1 (Max, Default Fallback)53.4$20.00
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

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.

What is the Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 5 Fallback) API price?

The Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 5 Fallback) 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 (Adaptive Reasoning, Max Effort, Opus 5 Fallback) cost for a typical request?

A short chat reply (500 in / 300 out tokens) costs about $0.0200 on Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 5 Fallback), at $10.00/1M input and $50.00/1M output.

Is Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 5 Fallback) free?

Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 5 Fallback)'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.

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.