Claude Fable 5

Anthropic

Anthropic's Fable 5 for long-running agents, deep research, and complex multimodal work with a 1M-token context.

Modalities
IntextimageOuttext
Input / output
$10.00 / $50.00USD per 1M tokens
Context
1M
Providers
2 live
Released
Jun 9, 2026
Knowledge cutoff
Jan 2026

Chat with Claude Fable 5 free →

Playground

Preparing playground

Providers

primary11.8s100%
fallback——

API

POST/api/v1/chat/completionsOpenAI-compatible
claude-fable-5
curl https://www.ninjachat.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $NINJACHAT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-fable-5",
    "messages": [{ "role": "user", "content": "Hello!" }],
    "stream": true
  }'
messagestemperaturemax_completion_tokenstop_pstopfrequency_penaltypresence_penaltyseedstreamuserroutingtoolstool_choiceresponse_formatimage_url content partsreasoningreasoning_effort

Pricing

Input
$10.00/M tokens
Cached input
$1.00/M tokens
Cache write
$12.50/M tokens
Output
$50.00/M tokens

Published USD rates. Actual cost depends on input, output, cache usage and request options.