Trinity Mini

Arcee-aiMCP Tool CallReasoning

arcee-ai/trinity-miniOpen Weights

Reasoning-tuned 26B MoE model with 3B active parameters for agents, tools, and multi-step workloads

Benchmark Pricing$0.04 / 1M in$0.15 / 1M out

Context: 131,072 tokens•Max Output: 131,072 tokens•Released: 2025-12-01

TECHNICAL SPECIFICATIONS

Context Window131,072131.1K tokens

Max Output131,072131.1K tokens

LicenseOpenMDW-1.1Self-hostable

Input Modalities

Text

Function / Tool CallingSupported (MCP Ready)

Structured OutputsGuaranteed Schema

MODEL CONTEXT PROTOCOL (MCP) READINESS

✓ Trinity Mini natively supports OpenAI / Anthropic format tool calling and is fully compatible with MCP servers and agent loops.

MCP Context Window Recommendations

With a context capacity of 131,072 tokens, this model can handle moderately large MCP tool definitions and multi-turn conversation logs comfortably.

API CALL INVOCATION EXAMPLE

// Example: Calling Trinity Mini via OpenAI SDK
import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.ARCEE-AI_API_KEY,
});

const response = await client.chat.completions.create({
  model: "arcee-ai/trinity-mini",
  messages: [{ role: "user", content: "Hello! Can you inspect MCP tools?" }],
});

console.log(response.choices[0].message.content);