Using Trinity-Large-Thinking on Arcee AI

Implementation guide · Trinity · Arcee AI

Open Source

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.

Code Examples

Code examples for this provider have not been sourced yet.

About Arcee AI

Arcee AI is a custom model fine-tuning and inference API platform specializing in efficient, domain-adapted language models.

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Pricing on Arcee AI

Capabilities

ReasoningFunction CallingTool 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

ArchitectureSparse Mixture of Experts (MoE)