# Trinity Large (slim)

> Trinity Large, a family of models by Arcee AI, listed from OpenRouter. Indexed, not reviewed: facts and our own checks, no score or ranking. Trinity Large Thinking is a powerful open source reasoning model from the team at Arcee AI. It shows strong performance in PinchBench…

- Full: https://www.anchorterminal.com/tools/trinity-large.md (~500 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/tools/trinity-large.json · canonical https://www.anchorterminal.com/tools/trinity-large
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-04

# Trinity Large

> Indexed, not reviewed: facts from OpenRouter and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/

- Kind: model family, by Arcee AI
- Category: Model APIs & inference (https://www.anchorterminal.com/categories/inference.md)
- Listed because: OpenRouter lists it, with prices from the providers that serve it.
- What OpenRouter says: Trinity Large Thinking is a powerful open source reasoning model from the team at Arcee AI. It shows strong performance in PinchBench, agentic workloads, and reasoning tasks. Launch video: https://youtu.be/Gc82AXLa0Rg?si=4RLn6WBz33qT--B7...

## Models (1)

| Model | OpenRouter id | Released | Context | Input $/1M | Output $/1M | Supports |
| --- | --- | --- | --- | --- | --- | --- |
| Trinity Large Thinking | `arcee-ai/trinity-large-thinking` | 2026-04 | 262k | $0.25 | $0.80 | tools, reasoning, caching |

Prices and limits as OpenRouter lists them; a provider's own price can differ.

- JSON: https://www.anchorterminal.com/api/v1/tools/trinity-large.json
- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming