Arcee AI

Trinity Mini

Generally availableOpen weights131K contextReasoning

Summary

Trinity Mini is an open-weight language model from Arcee AI, released on 1 Dec 2025. It accepts text and generates text, with a 131K-token context window and up to 131K output tokens per response.

Reasoning-tuned 26B MoE model with 3B active parameters for agents, tools, and multi-step workloads

Last verified 4 Oct 2026. Every figure on this page links to its source.

Specifications

DeveloperArcee AI
Release date1 Dec 2025 [models.dev]
StatusGenerally available [models.dev]
WeightsOpen weights [models.dev]
Context window131K (131,072 tokens) [models.dev]
Max output131K tokens [models.dev]
Knowledge cutoffOct 2024 [models.dev]
InputText [models.dev]
OutputText [models.dev]
Reasoning modeYes [models.dev]
Tool callingYes [models.dev]

Trinity Mini API pricing by provider

USD per million tokens. Sorted by input price.

We do not currently track a paid API listing for this model.

Frequently asked questions

What is the context window of Trinity Mini?

Trinity Mini has a context window of 131,072 tokens (131K) and can generate up to 131,072 tokens in a single response, according to models.dev.

Is Trinity Mini open source?

Trinity Mini is an open-weight model. Check the license terms before commercial use.

When was Trinity Mini released?

Arcee AI released Trinity Mini on 1 Dec 2025, according to models.dev.

Change history

No changes detected since we started tracking this model. We re-check every source daily.

Sources