Home / All model prices / Anthropic / claude-fable-5-1 A Anthropic
claude-fable-5-1 OpenRouter price Model overview Claude Fable 5.1 improves on Claude Fable 5 across the board, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work: long code refactors, front-end and visual...
Context window 1,000,000 tokens
Knowledge cutoff —
Price last verified 2026-09-06
First observed 2026-09-02 Descriptions, capabilities, and tariffs come from the linked source. First-party prices take priority; OpenRouter fallbacks are labelled.
Current price Estimated API value in USD per million tokens, backed by OpenRouter's public Models API.
Input $10
Cached input $0.25
Cache write 5m $12.5
Cache write 1h —
Output $50 Capabilities and formats text image file include reasoning max completion tokens max tokens reasoning reasoning effort response format stop structured outputs tools verbosity Performance references No comparable benchmark data is currently available.
PRICE EVOLUTION Price history Original observation and every later change, including any change of price source.
Original observed price OpenRouter price 2026-09-02
Input: $10 Cached input: $0.25 Cache write 5m: $12.5 Cache write 1h: — Output: $50
