Solar Pro 3

UpstageMCP Tool CallReasoning

upstage/solar-pro3Closed API

Flagship model for demanding analysis, coding, and production agent workflows

Benchmark Pricing$0.25 / 1M in$0.25 / 1M out

Context: 131,072 tokens•Max Output: 8,192 tokens•Knowledge: 2025-07•Released: 2026-01-26

TECHNICAL SPECIFICATIONS

Context Window131,072131.1K tokens

Max Output8,1928.2K tokens

LicenseProprietaryCloud API only

Input Modalities

Text

Function / Tool CallingSupported (MCP Ready)

Structured OutputsGuaranteed Schema

MODEL CONTEXT PROTOCOL (MCP) READINESS

✓ Solar Pro 3 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 Solar Pro 3 via OpenAI SDK
import OpenAI from "openai";

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

const response = await client.chat.completions.create({
  model: "upstage/solar-pro3",
  messages: [{ role: "user", content: "Hello! Can you inspect MCP tools?" }],
});

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