Using Trinity-Large-Thinking on Arcee AI

Implementation guide · Trinity · Arcee AI

Open Source

Arcee AI exposes Trinity-Large-Thinking through model ID trinity-large-thinking. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-06-29. Next refresh: weekly.

Quick Start

1
Create an account at Arcee AI and generate an API key.
2
Use the Arcee AI SDK or REST API to call trinity-large-thinking.

API Portal

Code Examples

Code examples for this provider have not been sourced yet.

Pricing on Arcee AI

Capabilities

ReasoningJSON / Tool useStructured Outputs

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.

Full model details →

Model Specs

Released2026-04-01

Parameters400B

Context256k

ArchitectureMixture of Experts