Using Solar Mini 4 on OpenRouter

Implementation guide · Solar Mini · Upstage

Serverless

OpenRouter exposes Solar Mini 4 through model ID upstage/solar-mini4. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-10-19. Next refresh: weekly.

Quick Start

  1. 1
    Create an account at OpenRouter and generate an API key.
  2. 2
    Use the OpenRouter SDK or REST API to call upstage/solar-mini4 — see the documentation for request format.
  3. 3
    You'll be billed $0.05/1M input, $0.20/1M output tokens. See full pricing.
API PortalDocumentationPricingModel Card

Code Examples

See OpenRouter documentation for integration details.

Pricing on OpenRouter

TypePrice (per 1M)
Input tokens$0.05
Output tokens$0.20

Capabilities

JSON / Tool usePrompt Caching

About Solar Mini 4

Upstage Solar Mini 4. Console docs Released on 2026-09-22. Standard API pricing from blog.

Full model details →

Model Specs

Released2026-09-22
Parameters35B
Context512K
Knowledge cutoff2026-02

Also available on(1)

Upstage$0.10/1M
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Provider

OpenRouter

OpenRouter, Inc.

New York, NY, USA