anthropic/claude-opus-5.5-fast
Claude Opus 5.5 (Fast)
- Status
- Listed
- First seen
- 2026-10-07 17:06 UTC
- Last seen
- 2026-10-07 22:00 UTC
- First evidence
- Catalog
- Best evidence
- Catalog
| Seen by | Evidence | State | Last seen |
|---|---|---|---|
| Vercel AI Gateway | Catalog | Listed |
Metadata by source
Highlighted rows disagree between sources. Missing values show as unknown, not zero.
| Field | Vercel AI Gateway |
|---|---|
| Name | Claude Opus 5.5 (Fast) |
| Made by | anthropic |
| Context | 1M |
| Max output | 128k |
| Input price /M | $8 |
| Output price /M | $40 |
| Input | image, pdf, text |
| Output | text |
Release
- Model
- Claude Opus 5.5 (Fast) · variant of Claude Opus 5.5
- Lab
- Anthropic
- Released
- 22 Sep 2026
2 sources agree
- models.dev metadata: released 22 Sep 2026
- Vercel AI Gateway: released 22 Sep 2026
- models.dev metadata: released 26 Sep 2026
History
Nothing here yet
No changes recorded for this model since the baseline.