OpenRouter
anthropic/claude-sonnet-5.5
Anthropic: Claude Sonnet 5.5
- Status
- Listed
- First seen
- 2026-10-07 17:06 UTC
- Last seen
- 2026-10-07 22:29 UTC
- First evidence
- Catalog
- Best evidence
- Catalog
Metadata by source
Highlighted rows disagree between sources. Missing values show as unknown, not zero.
| Field | OpenRouter catalog | models.dev metadata |
|---|
| Name · conflict | Anthropic: Claude Sonnet 5.5 | Claude Sonnet 5.5 |
| Context | 1M | 1M |
| Max output | 128k | 128k |
| Input price /M | $2 | $2 |
| Output price /M | $10 | $10 |
| Input · conflict | file, image, text | image, pdf, text |
| Output | text | text |
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