claude-sonnet-5-5
Name unknown
Hint only. This ID has appeared in public docs or frontend code but not in a provider catalog. It may not work for inference yet.
- Status
- Hinted
- First seen
- 2026-10-07 17:07 UTC
- Last seen
- 2026-10-07 20:03 UTC
- First evidence
- Hint
- Best evidence
- Hint
| Seen by | Evidence | State | Last seen |
|---|---|---|---|
| Anthropic models overview | Hint | Listed |
Release
- Model
- Claude Sonnet 5.5
- Lab
- Anthropic
- Released
- 26 Sep 2026
4 sources agree
- models.dev metadata: released 26 Sep 2026
- Epoch AI model data: released 28 Sep 2026 source
- models.dev metadata: released 28 Sep 2026 (24 hosts)
- OpenRouter catalog: listed on OpenRouter 28 Sep 2026
- Vercel AI Gateway: released 28 Sep 2026
- First listed
- OpenRouter · 28 Sep 2026 (2 days later)
History
Nothing here yet
No changes recorded for this model since the baseline.