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Type: AI model or model family

Sonnet 4.5 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

  • 2026-07-18: Harness architecture matters more than model choice in code agents, the author argues (Все статьи подряд / Искусственный интеллект / Хабр) · habr.comCode Agents Context Engineering LLM Evals Tool Use Agents OpenAI · Anthropic SEAL IBM Research HAL SWE-agent · Habr · Claude Opus 4.5 · Opus 4.8 · Sonnet 5
  • 2026-07-20: Import AI 465: open-weight cyber gaps, Kimi K3, and Demis’ policy plan (Import AI) · importai.substack.comLLM Evals Import AI UK government AI Security Institute AISI · DeepSeek · Kimi Demis · GLM-5.2 · DeepSeek V4 Pro · Claude Opus 4.6 Opus 4.5 · GPT-5 · Claude Opus 4.5 · Kimi K3

FAQ

What is Sonnet 4.5?

Sonnet 4.5 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 Sonnet 4.5, collected automatically by GROUNDING.

When was Sonnet 4.5 last mentioned?

Sonnet 4.5 was most recently mentioned in a radar update dated 2026-07-20.