Claude Fable 5.1

Overview

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: long code refactors, front-end and visual... Claude Fable 5.1 is served through the PARROTSIGHT unified API at Anthropic's list price, with the same authentication, metering and regional pinning (MY / SG / ID) as every native model. No separate provider account is required.

• 1M token context · multimodal input
• OpenAI-compatible endpoint — migrate with a two-line change
• Streaming (SSE) supported for all text outputs
• Billed at provider list price, metered per token

Capabilities

API

curl -X POST https://api.parrotsight.com/v1/vision/analyze \
  -H "Authorization: Bearer $PS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"anthropic/claude-fable-5.1","image":"data:image/jpeg;base64,<BASE64_ENCODED_FRAME>","tasks":["scene","objects","caption"]}'

Version history

1. v2026.9Latest2026-09-01

   Added to the PARROTSIGHT catalogue at Anthropic list pricing.