Last refreshed 2026-05-11. Next refresh: weekly.
Why use Trinity-Large-Thinking on OpenRouter?
OpenRouter offers Trinity-Large-Thinking with pay-as-you-go pricing at $0.22/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Compare Trinity-Large-Thinking across 3 providers to find the best fit for your use caseSetup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: arcee-ai/trinity-large-thinkingarcee-ai/trinity-large-thinkingRequest example
arcee-ai/trinity-large-thinking.Gotchas
- Use provider model ID "arcee-ai/trinity-large-thinking", not the LLMReference slug "trinity-large-thinking".
Compare Trinity-Large-Thinking Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Arcee AI | — | — |
| OpenRouter | $0.22 | $0.85 |
| Vercel AI Gateway | $0.25 | $0.90 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.22 |
| Output tokens | $0.85 |
Capabilities
About Trinity-Large-Thinking
Arcee AI's flagship 400B sparse MoE reasoning model with 13B active parameters per token. Trained on 20T tokens with a STEM-focused curriculum. Designed for agentic workflows, chain-of-thought reasoning, and long-context tasks up to 256K tokens (BF16 API). Open-source under Apache 2.0. Available via Arcee AI API.
FAQ
What does Trinity-Large-Thinking cost on OpenRouter?
On OpenRouter, Trinity-Large-Thinking costs $0.22 per 1M input tokens and $0.85 per 1M output tokens.
What is the context window for Trinity-Large-Thinking on OpenRouter?
Trinity-Large-Thinking supports a 262k token context window on OpenRouter.
How does OpenRouter compare to other Trinity-Large-Thinking providers?
Trinity-Large-Thinking is available from 3 providers. The cheapest input pricing is $0.22/1M tokens from OpenRouter.
What API model ID do I use for Trinity-Large-Thinking on OpenRouter?
Use the model ID arcee-ai/trinity-large-thinking when calling OpenRouter's API.
Who created Trinity-Large-Thinking?
Trinity-Large-Thinking was created by Arcee AI as part of the Trinity model family.
Is Trinity-Large-Thinking open source?
Trinity-Large-Thinking is open source according to the seed data.