upstage/solar-pro2Closed APIFlagship model for demanding analysis, coding, and production agent workflows
Benchmark Pricing$0.25 / 1M in$0.25 / 1M out
Context: 65,536 tokens•Max Output: 8,192 tokens•Knowledge: 2025-03•Released: 2025-05-20
TECHNICAL SPECIFICATIONS
Context Window65,53665.5K 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 2 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 65,536 tokens, this model can handle compact tool sets. Consider keeping MCP server tool manifests minimal to preserve headroom.
API CALL INVOCATION EXAMPLE
// Example: Calling Solar Pro 2 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-pro2",
messages: [{ role: "user", content: "Hello! Can you inspect MCP tools?" }],
});
console.log(response.choices[0].message.content);PRICING BY PROVIDER
Upstagesolar-pro2
$0.25 / $0.25
LLMTRupstage/solar-pro2
$0.15 / $0.60$0.01 cache
Rates in USD per 1M tokens. Rates synchronized from models.dev public catalog.
MODEL RESOURCES
More Models by Upstage
Alternative and family models from the same lab
Solar Pro 4
upstage/solar-pro4•Upstage
Upstage's flagship model, specialized for agentic use
131.1K out max
In: $0.30 • Out: $1.20
UpstageSolar Mini 4
upstage/solar-mini4•Upstage
Upstage's compact, cost-efficient model for agentic use
131.1K out max
In: $0.10 • Out: $0.40
UpstageSolar Pro 3
upstage/solar-pro3•Upstage
Flagship model for demanding analysis, coding, and production agent workflows
8.2K out max
In: $0.25 • Out: $0.25
Upstage