# Anthropic: Claude Fable 5.1

Provider: anthropic  
Category: llm  
Model ID: `anthropic/claude-fable-5.1`

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...

## Specs

- Context length: 1000000 tokens
- Max output: 128000 tokens
- Modalities: text, image, file
- Released: 2026-09-01

## Pricing

- Input: $10.00 per million tokens
- Output: $50.00 per million tokens

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Last verified: 2026-09-04T02:00:56.012Z  
Canonical URL: https://switchy.build/directory/models/claude-fable-5-1