Solar Pro 4
by Upstage
Today's price · per 1M tokens
Input
$0.030
per 1M tokens
Output
$0.120
per 1M tokens
Blended
$0.052
blended $/1M — 3:1 weighted input:output
Cached input
$0.006
20% of input — prompt caching
Price receipt
No confirmed receipt. We hold dated captures of Upstage's pricing page, but none of them tied Solar Pro 4 to a published price on that page, so we do not claim this number is sourced. Check the provider's page directly before relying on it.
Overview
Upstage's agentic Solar flagship, successor to Solar Pro 3, with a 512K context window and up to 128K output tokens. Launch pricing is $0.03/$0.12 per 1M tokens (90% off) through Sep 10 2026; it reverts to Upstage's standard list price of $0.30/$1.20 on Sep 11 2026.
Capabilities
struck through = not supportedSpecifications
- Provider
- Upstage
- Context window
- 524K tokens
- Modality
- text
- Parameters
- Proprietary
- Open source
- No — proprietary
- Released
- Aug 11, 2026
- Status
- Current
- Last updated
- Aug 11, 2026
- Tags
Availability verified: Aug 11, 2026 — listed on Upstage's own page