Claude Fable 5

Name: Claude Fable 5 API
Brand: Anthropic
Price: 5 USD
Availability: InStock

claude-fable-5

Cheaper. More stable. One-stop API aggregation.

Introduction

Claude Fable 5 is Anthropic's frontier tier for long-running agents, ambitious coding, and complex professional work.

Call it with model id `claude-fable-5` on the LumeAPI OpenAI-compatible endpoint.

Portal pricing is 50% off official ($5.00 / $25.00 per 1M in/out).

Use Fable when Sonnet or Opus fail evals on your hardest tasks — not as the default for every request.

Pricing

Official$10.00 / $50.00

LumeAPI$5.00 / $25.00

per 1M tokens (in/out)

Last updated: 2026-07-22Source: provider list price

Endpoint

Base URL: https://api.lumeapi.site/v1

Auth: Authorization: Bearer <your-lumeapi-key>

Developer docs

Open the integration notes for this model, or the modality guide for request fields and polling.

Model docs All model docs Provider pricing guide OpenAI-compatible API Agent docs (llms.txt)

curl https://api.lumeapi.site/v1/chat/completions \
  -H "Authorization: Bearer $LUMEAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-fable-5",
    "messages": [{"role":"user","content":"Hello"}]
  }'

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