Arcee AI: Trinity Mini

Text input Text output
Author's Description

Trinity Mini is a 26B-parameter (3B active) sparse mixture-of-experts language model featuring 128 experts with 8 active per token. Engineered for efficient reasoning over long contexts (131k) with robust function calling and multi-step agent workflows.

Key Specifications
Cost
$$$
Context
131K
Parameters
26B (Rumoured)
Released
Dec 01, 2025
Speed
Ability
Reliability
Supported Parameters

This model supports the following parameters:

Reasoning Temperature Max Tokens Top P Response Format Tools Structured Outputs Include Reasoning Tool Choice
Features

This model supports the following features:

Tools Response Format Structured Outputs Reasoning
Performance Summary

Arcee AI's Trinity Mini, a 26B-parameter sparse mixture-of-experts model, demonstrates exceptional speed and competitive pricing, consistently ranking in the Infinityth percentile across eight benchmarks for both metrics. Its reliability is also strong, achieving a 96% success rate. The model excels in several areas, particularly in Email Classification (98% accuracy, 66th percentile) and Reasoning (90% accuracy, 80th percentile), indicating robust performance in understanding context and complex problem-solving. Coding performance is solid at 87% accuracy (62nd percentile), and General Knowledge is respectable at 95% accuracy (40th percentile). However, Trinity Mini exhibits significant weaknesses in Instruction Following and Hallucinations, both scoring 0.0% accuracy. This suggests a critical area for improvement in adhering to complex directives and acknowledging uncertainty. While Mathematics achieved 80.6% accuracy, its 42nd percentile ranking indicates room for enhancement. Ethics performance is also a notable weakness at 82% accuracy (21st percentile), suggesting challenges in navigating nuanced moral scenarios.

Model Pricing

Current Pricing

Feature Price (per 1M tokens)
Prompt $0.045
Completion $0.15

Price History

Available Endpoints
Provider Endpoint Name Context Length Pricing (Input) Pricing (Output)
Clarifai
Clarifai | arcee-ai/trinity-mini-20251201 131K $0.045 / 1M tokens $0.15 / 1M tokens
Together
Together | arcee-ai/trinity-mini-20251201 128K $0.045 / 1M tokens $0.15 / 1M tokens
Benchmark Results
Benchmark Category Reasoning Strategy Free Executions Accuracy Cost Duration
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