# arcee-ai/trinity-large-thinking

Calls to the model arcee-ai/trinity-large-thinking on OpenRouter stopped working on October 26, 2026.

Requests to model arcee-ai/trinity-large-thinking fail since October 26, 2026. OpenRouter retired this model on that date, and calls using it no longer succeed.

## The error OpenRouter returns once arcee-ai/trinity-large-thinking is gone

HTTP 404

```json
{"error":{"message":"No endpoints found for arcee-ai/trinity-large-thinking.","code":404}}
```

## What to use instead

OpenRouter stops serving it, so you must move to another model it lists.

- API: OpenRouter (openrouter.ai)
- Model: arcee-ai/trinity-large-thinking
- Released: April 1, 2026 (models.dev)
- Kind: Model retirement
- Takes effect: October 26, 2026
- Calls after that day: fail
- Calls it hits: `model arcee-ai/trinity-large-thinking`
- Source: [Model list](https://openrouter.ai/api/v1/models)
- Verified: November 6, 2026, against OpenRouter's own pages
- Page: https://www.okapi.bot/models/openrouter/arcee-ai/trinity-large-thinking/

Okapi finds the calls this change hits in your repo and opens the pull request with the fix: https://github.com/apps/okapi-agent