Type: AI model or model family
Claude Sonnet appears in the radar stream as a model or model family. This page is a living index of dated mentions and sources — open Recent Updates and Backlinks for context, not a full product brief.
Recent Updates
- 2026-08-19: Claude Opus 4.8 and 5.0 language calibration issues drive users to switch models (Hacker News) · github.com — Anthropic · Claude Opus 4.8 · Claude Opus 4.5 · Claude Opus 4.6 Claude Opus 5.0 · Fable 5
- 2026-08-21: Claude Mythos 5 now available in Claude Security and partner cyber defense tools (breakingnewsofficial) · claude.com — Anthropic · Claude Mythos 5 · Claude Mythos Preview · Claude Fable 5 · Claude Opus
- 2026-09-10: Building the Harness Automatically: Self-Play in Code Distills a Text Harness for Black-Box Optimization (breakingnewsofficial) · arxiv.org — Agents Google · Anthropic · YouTube · Gemini Flash
- 2026-09-10: Anthropic disrupts malicious use of Claude across seven harm categories (Dec 2025-Aug 2026) (breakingnewsofficial) · anthropic.com — Anthropic · Claude Haiku · Claude Opus · Claude Fable · Claude Mythos
FAQ
What is Claude Sonnet?
Claude Sonnet appears in the radar stream as a model or model family. This page is a living index of dated mentions and sources — open Recent Updates and Backlinks for context, not a full product brief.
What does this page track?
Dated radar mentions, source links, related concepts, and builder-relevant context for Claude Sonnet, collected automatically by GROUNDING.
When was Claude Sonnet last mentioned?
Claude Sonnet was most recently mentioned in a radar update dated 2026-09-10.
Category: Text / Language Models