Product Radar Edition 01 · 12 Oct 2026

Anthropic

Claude Sonnet 5.5

Anthropic's mid-size Claude model for everyday coding and agent work. API id: claude-sonnet-5-5.

AdoptOn the radar since 12 Oct 2026

platform.claude.com

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Konstantin's verdict: Adopt

Sonnet 5.5 gathers evidence for my builds and reviews risky changes with a fresh context.

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  1. Added in AdoptUsed daily for evidence, browser work and review.

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Also in Models & Agents · Adopt

  • Claude Fable 5.1Anthropic's Claude model for demanding reasoning and long-horizon agent work. API id: claude-fable-5-1.
  • Claude Opus 5.5Anthropic's Claude model for long-running agentic coding and knowledge work. API id: claude-opus-5-5.