Claude Fable 5.1 API
claude-fable-5-1AnthropicCommercial useNew API verifiedText & reasoning
Anthropic's Claude Fable 5.1 — for demanding reasoning and long-horizon agentic work, with stronger long-running agentic coding, multistep research, and document, spreadsheet and slide work across a 1M-token context.
by Anthropic
Pricing: Input 390 credits / 1M tokens (≈ $3.9), Output 1,950 credits / 1M tokens (≈ $19.5).
Save up to 65%with the $1,250 top-up pack (+10% bonus) — 61% lower than direct rates even without itTop up24H Status Monitor
Operational24h agonow
MODEL
claude-fable-5-1
Tools
Web Search
Web search feeds the results back as input tokens, so a searched turn typically costs many times a normal turn (measured: 6–87×). Billed per token as usual — nothing extra per search.
Max tokens
Start a conversation with Claude Fable 5.1
Input 390 · Output 1950 cr / 1M · billed per token
You only pay for successful generations — if a task fails or returns no result, its credits are refunded automatically, never charged. And your credits never expire: top up once and spend at your own pace.1 credit = $0.01 USDTop up $1,250 for +10% bonus credits → up to ~9% more off every call.Top up credits
Claude Fable 5.1 API pricing2 prices
Model & ModalityCredits / GenOur Price (USD)Direct / Standard Price (USD)Base savingsSavings with top-up$1,250 top-up · +10% credits
Claude Fable 5.1, Input
textAnthropic
Credits / Gen390per million tokens
Our Price (USD)$3.9
Direct / Standard Price (USD)$10
Base savings−61.0%
Savings with top-up · $1,250 · +10%−65% ↓
Claude Fable 5.1, Output
textAnthropic
Credits / Gen1,950per million tokens
Our Price (USD)$19.5
Direct / Standard Price (USD)$50
Base savings−61.0%
Savings with top-up · $1,250 · +10%−65% ↓
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