AI Model APIs
AI Model APIsProviders
AI Model APIs

The complete platform for comparing AI models. Find pricing, capabilities, and the perfect model for your use case.

contact@aimodelapis.com

Resources

  • AI Models APIs
  • Providers

About

  • About
  • Contact
  • Privacy Policy
  • Terms of Service

© 2026 AI Model APIs. All rights reserved.

Back to Models
Upstage

solar-pro2 API

Upstage
About

Build advanced reasoning agents with solar-pro2, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.25/1M input and $0.25/1M output tokens, native tool calling support. Access solar-pro2 via the Upstage API with up to 8K output tokens.

Capabilities

Input Modalities

text

Output Modalities

text
Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsClosed
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
66K

Tokens

Input Limit
66K

Tokens

Max Output
8K

Tokens

Pricing

Standard (per 1M tokens)

Input
$0.25
Output
$0.25
Frequently Asked Questions

solar-pro2 by Upstage costs $0.25 per 1M input tokens and $0.25 per 1M output tokens.

Model Details
ID
solar-pro2
Provider
Upstage
Family
solar-pro
Release Date
May 20, 2025
Knowledge Cutoff
Mar 1, 2025
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
UPSTAGE_API_KEY
API Base URL
https://api.upstage.ai/v1/solar
Documentation