Claude Fable 5.1

anthropic/claude-fable-5.1

Claude Fable 5.1 improves on Fable 5 across agentic coding, long-running workflows, front-end and visual code generation, finance, analysis, and knowledge work, with more concise plans and summaries. Anthropic retains prompts and outputs for 30 days; Zero Data Retention is not available.

Vision
Reasoning
PDF input
Tool calling
Structured output

Chat with this model Create an API key

Pricing

Includes our margin. Charged per request from your balance.

Input: $11 per 1M tokens
Output: $55 per 1M tokens
Cache read: $0.275 per 1M tokens
Cache write: $13.75 per 1M tokens
Typical message: $0.055

Details

Provider: Anthropic
Context: 1M tokens
Max output: 128K tokens
Added: Sep 1, 2026
Reasoning effort: low, medium, high, xhigh, max

Use it from the API

Replace $HIDE_API_KEY with a key from the Developers page. Base URL https://hide.st/api/v1.

curl https://hide.st/api/v1/chat/completions \
  -H "Authorization: Bearer $HIDE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthropic/claude-fable-5.1",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'

Pricing

Details

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