Claude 4
Product status: Historical record
The original claude-opus-4-20250514 and claude-sonnet-4-20250514 models were retired from the Claude API on 2026-06-15. This entry preserves that release for historical research and migration, not current recommendations. Partner platforms set separate schedules; this review did not establish their availability or the current Claude app model roster. This page preserves a historical product record. It is excluded from current recommendations. The descriptions, features, screenshots and editorial opinions below describe its historical offering, not a service available to buy or use now.
- Hosted service:
- Not confirmed
Status source checked: · Status source
Recorded product information
- Original Opus 4 and Sonnet 4 generation
- Extended thinking documented at launch
- Tool use documented at launch
- First-party API retirement recorded
Listing content updated: 2026-10-15