Claude Opus 5

Available · Language, Multimodal, Reasoning · Milestone · Primary source available

All events, in order

  1. Lineage Predecessor Claude Opus 4.8
  2. Lifecycle Released
  3. Source Announcement published
  4. July 2026 AI Radar 1 news item · Snapshots kept after items leave the live feed
  5. Lineage Successor Claude Opus 5.5

← The full record of Claude Opus 5, with every claim and its sources