anthropic/claude-fable-5/Released Jun 2026

Claude Fable 5

Long-horizon agentic reasoning, 1M context

Featured
Text
Token-based
Input$12.00 / 1M tokens
Output$64.00 / 1M tokens

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bash
curl -sSf -X POST https://hub.oxen.ai/api/ai/chat/completions \
    -H "Content-Type: application/json" \
    -H "Authorization: Bearer $OXEN_API_KEY" \
    -d '{
  "model": "claude-fable-5",
  "messages": [
    {
      "role": "user",
      "content": "Try sending a message."
    }
  ]
}'