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solar-pro3

Upstage

solar-pro3 by Upstage costs $0.25 per 1M input tokens and $0.25 per 1M output tokens, with a 131K-token context window.

Pricing

Input (per 1M tokens)
$0.25
Output (per 1M tokens)
$0.25
Cached input (per 1M)
—

Specifications

Provider
Upstage
Context window
131K tokens
Parameters
—
Released
Jan 2026
Open weights
No
Frontier model
No

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FAQ

How much does solar-pro3 cost?

solar-pro3 is priced at $0.25 per 1M input tokens and $0.25 per 1M output tokens. Output tokens cost more than input.

What is solar-pro3's context window?

solar-pro3 supports a context window of 131K tokens — the maximum prompt plus response length it can handle in a single request.

Is solar-pro3 open weight?

No — solar-pro3 is a closed/proprietary model accessed via API.

Data as of 2026-10-14. Source: models.dev (open). Pricing is per 1M tokens (USD); confirm with the provider before production use.