Language model

Trinity Large Preview

arcee-ai

Released: January 27, 2026
Data date: September 26, 2026

Trinity Large Preview combines 398 billion total parameters with about 13 billion active and a context extended to 512K. Arcee trained the sparse MoE on more than 17 trillion tokens, made it chat ready, and continues reinforcement learning according to the model card. OpenMDW-1.1 and the Preview label make the checkpoint open but changing.

Specifications and access

Specification	Value and source
Weights	Open weightsSource
Access	APISource
Parameters	398 billionSource
Active parameters	13 billionSource
Context window	524,288 tokensSource
Maximum output	262,144 tokensSource
License	OpenMDW-1.1Source
Inputs	TextSource
Outputs	TextSource
Tool calling	YesSource

Sources and data date

Type	Evidence and data date
Additional source	models.dev catalog (retrieved September 26, 2026)
Additional source	Hugging Face · Arcee AI Trinity Large Preview model card · Editorial description reviewed October 2, 2026
Additional source	OpenRouter: Popularity index (derived), CC BY 4.0
Additional source	Vercel AI Gateway: Popularity index (derived), CC BY 4.0
Additional source	Creative Commons Attribution 4.0

Specifications and access

Popularity

Sources and data date