Arcee AI: Trinity Large Preview

Text input Text output Free Option
Author's Description

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. It excels in creative writing,...

Key Specifications
Cost
$$
Context
131K
Parameters
400B (Rumoured)
Released
Jan 27, 2026
Speed
Ability
Reliability
Supported Parameters

This model supports the following parameters:

Tools Response Format Temperature Max Tokens Structured Outputs Top P
Features

This model supports the following features:

Structured Outputs Tools Response Format
Performance Summary

Arcee AI's Trinity-Large-Preview, a 400B-parameter sparse Mixture-of-Experts model, demonstrates a strong overall performance profile. It consistently ranks in the top tier for speed, achieving the 69th percentile across benchmarks, and offers cost-effective solutions, placing in the 75th percentile for price. A standout feature is its exceptional reliability, boasting a 100% success rate across all evaluated benchmarks, indicating minimal technical failures. The model exhibits particular strength in ethical reasoning, achieving perfect 100% accuracy in the Ethics (Baseline) benchmark, making it the most accurate model at its price point and among models of comparable speed. It also performs well in Mathematics, securing 91% accuracy, and shows a good ability to acknowledge uncertainty in the Hallucinations (Baseline) test with 96% accuracy. While its General Knowledge accuracy is 92%, it ranks in the 30th percentile, suggesting room for improvement compared to other models. Similarly, its Instruction Following accuracy of 60% places it in the 56th percentile, indicating moderate performance in complex multi-step instructions. The model's creative writing capabilities, as highlighted in its description, are not directly assessed by these benchmarks but its strong ethical and mathematical performance, coupled with high reliability, positions it as a robust and dependable option for various applications.

Model Pricing

Current Pricing

Feature Price (per 1M tokens)
Prompt $0.15
Completion $0.45

Price History

Available Endpoints
Provider Endpoint Name Context Length Pricing (Input) Pricing (Output)
Arcee AI
Arcee AI | arcee-ai/trinity-large-preview 131K $0.15 / 1M tokens $0.45 / 1M tokens
Benchmark Results
Benchmark Category Reasoning Strategy Free Executions Accuracy Cost Duration
Other Models by arcee-ai