Claude Fable 5
Anthropic's most powerful model, a new tier above Opus. Fable 5 keeps the 1M-token context window and multimodal input (text, image, file), and targets the hardest long-horizon agentic, coding and reasoning work. Priced at $10/$50 per MTok with $1.00 cached input.
Claude Fable 5 is a frontier AI model from Anthropic. It costs $10.000 per million input tokens and $50.000 per million output tokens (blended $22.000/M), with a 1,000,000-token context window.
- Most capable Claude to date
- State-of-the-art long-horizon agentic execution
- 1M-token context
- Text, image & file input
- Faithful to long, complex instructions
- Hardest agentic coding & codebase-wide refactors
- Deep multi-step research
- Overnight autonomous agent runs
- Complex multi-tool workflows
Benchmarks
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See all 18 →Frequently asked questions
How much does Claude Fable 5 cost?
Claude Fable 5 costs $10.000 per million input tokens and $50.000 per million output tokens, for a blended reference rate of $22.000 per million tokens.
What is Claude Fable 5's context window?
Claude Fable 5 supports up to 1,000,000 tokens of context in a single request.
What is Claude Fable 5 best for?
Claude Fable 5 is well suited to Most capable Claude to date, State-of-the-art long-horizon agentic execution and 1M-token context.
Who makes Claude Fable 5?
Claude Fable 5 is developed and served by Anthropic.