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Language model

Trinity Mini

arcee-ai

Released
December 1, 2025
Data date
September 26, 2026
Input
Text
Output
Text

Trinity Mini combines 26 billion total parameters with about 3 billion active, a 128K context, and reasoning post-training. Arcee trained the medium variant on roughly 10 trillion tokens with math and coding data. The weights use OpenMDW-1.1, with Transformers and vLLM documented as serving runtimes.

Specifications and access

SpecificationValue and source
Weights
Open weightsSource
Access
Parameters
26 billionSource
Active parameters
3 billionSource
Context window
131,072 tokensSource
Maximum output
131,072 tokensSource
License
OpenMDW-1.1Source
Inputs
TextSource
Outputs
TextSource
Reasoning
Tool calling