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TEXT → TEXT · 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 such as long code refacto
High censorship
PRICE0.075 creditsper 1k tokens
AVG TIME~20sestimate
OUTPUTtextsync
Open in playground

Inputs

promptrequired · text
textoptional · Context — artifact id or https URL
imageoptional · Image — artifact id or https URL
Monthly estimate
1,000 × 0.075 credits75.00 credits
curl https://platform.4i.app/api/v1/run \
  -H "Authorization: Bearer $FOURI_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "service": "anthropic/claude-fable-5-1",
    "input": {
      "prompt": "Ask for some text, or about an attached image…"
    }
  }'
Every output has an artifact_id. Pass it as input to any compatible service.
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