Trinity Large Preview

Trinity-Large-Preview is a frontier-scale open-weight language model from Arcee, built as a 400B-parameter sparse Mixture-of-Experts with 13B active parameters per token using 4-of-256 expert routing.

Creator: Arcee AI
Lifecycle: Preview
Context: 131.0K
Max output: —
Released: Jan 27, 2026
Status: unknown

Input: $0.00 / 1M tokens
Output: $0.00 / 1M tokens
Cached read: — / 1M tokens
Cached write: — / 1M tokens
Batch discount: —%
Source: OpenRouter
Verified: Apr 5, 2026 (High)

Capabilities

Modalities: text→text
Capabilities: functionCallingstructuredOutputs

Official Links

Intro

https://openrouter.ai/arcee-ai/trinity-large-preview

Docs

https://openrouter.ai/arcee-ai/trinity-large-preview

Pricing

https://openrouter.ai/models

Benchmark Coverage

Benchmark	Version	Score	Date	Source	Notes

Release History

Release	Alias	Lifecycle	Release Date	Deprecation	Shutdown	Summary
Trinity Large Preview	arcee-ai-trinity-large-preview-free	Preview	Jan 27, 2026	—	—	Model available via OpenRouter.

Host Coverage

Host	Type	Context	Pricing Note	Differences
OpenRouter	aggregator	131.0K	$0.00/1M in · $0.00/1M out via OpenRouter	—

Migration Guidance

Change Events

Date	Type	Title	Description	Source
Jan 27, 2026	family_added	Trinity Large Preview published	Model made available via OpenRouter.	OpenRouter

Other models from Arcee AI

Coder Large, Maestro Reasoning, Spotlight, Trinity Large Thinking, Trinity Mini, Trinity Mini, Virtuoso Large