Anthropic added claude-opus-5-5 to the list of models it will answer with.
AnthropicMODEL-ROSTERADDEDTUE SEP 22, 16:46
The line, as the page carries it
+claude-opus-5-5: "display_name=Claude Opus 5.5, created_at=<datetime>, max_input_tokens=1000000, max_tokens=128000"
The record
| DOCUMENT | https://api.anthropic.com/v1/models?limit=100 |
|---|---|
| SOURCE | anthropic-models-api |
| ROW | claude-opus-5-5 |
| OPERATION | added |
| BEFORE | Nothing was recorded because the row did not exist. |
| AFTER | display_name=Claude Opus 5.5, created_at=<datetime>, max_input_tokens=1000000, max_tokens=128000 |
| READ AT | 2026-09-22T16:46:44.961Z |
| SIGNALS | modelId |
What went out
- BLUESKY2026-09-22 21:57Anthropic's published model list added claude-opus-5-5. It lists the model as "display_name=Claude Opus 5.5, created_at=<datetime>, max_input_tokens=1000000, max_tokens=128000 #TechBluesky