Upstage API deepens Solar Mini 4 promo to 70% off, sunsets Solar Pro 3
What happened
Between the Sep 28, 2026 and Oct 5, 2026 captures of Upstage's pricing page, Pulse recorded 2 changes: Solar Mini 4 launch promo deepened from 50% off through Oct 22 to 70% off through Oct 10, then 50% off from Oct 11; promo rates drop (input 0.05→0.03, output 0.20→0.12). Solar Pro 4 70% promo extended one day; End-of-service notices added for Solar Pro 3, Solar Pro 2 and Solar Mini effective 2026-10-30 (KST). Pulse files it as a pricing change (discount change, feature change) with a neutral direction. Pulse's latest capture (Oct 26, 2026) lists Explore at $100, Build at $500, Scale at $5,000, Solar Pro 4 at $0.06 per 1M cached input tokens + $0.3 per 1M input tokens and Solar Pro 3 at $0.15 per 1M input tokens + $0.6 per 1M output tokens.
It lands 7 days after Upstage's previous change, "Upstage API launches Solar Mini 4 at 50% off: $0.05/1M input through Oct 22" (Sep 28, 2026). Before that Pulse recorded "Upstage API promo tapers to 70% off, cuts cost calculator too" (Sep 14, 2026), "Upstage API: Solar Pro 4 discount extended at 70% off (was reverting to standard price)" (Sep 7, 2026) and "Upstage API ends Solar Pro 4 free period — now 90% off until Sep 10, full rates from Sep 11" (Aug 17, 2026). Upstage has been tracked since 2026-04-29.
In the same window OpenAI, Together AI, Anthropic, Google and Mistral AI also changed their AI & Machine Learning pricing pages. Those moves are listed further down, and the Pulse Agent can compare them side by side.
- Solar Mini 4, Solar Pro 4 · Discount−40%0.050.03
- Solar Pro 3, Solar Pro 2, Solar Mini · FeatureAdded
BeforeNo End-of-service notices
AfterEnd-of-service notices
| Plan | Field | Before | After | Change |
|---|---|---|---|---|
| Solar Mini 4, Solar Pro 4 | Discount | 0.05 | 0.03 | −40% |
| Solar Pro 3, Solar Pro 2, Solar Mini | Feature | No End-of-service notices | End-of-service notices | Added |
Values as written on Upstage's public pricing page in the two captures Pulse compared; where the page states no number, the cells give the wording before and after.
Evidence
The two captures Pulse comparedFull-page captures of Upstage's pricing page (www.upstage.ai) from Sep 28, 2026 and Oct 5, 2026; the change is marked near the top of the page, where solar mini 4, solar pro 4 discount reads 0.05 and then 0.03.
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The two full-page captures with this change marked up are free with an account.
Upstage, the last 90 days
Full history- Oct 26, 2026packagingUpstage API: Solar Pro 4 promo changed from 70% off until 2026-10-19 to 50% off until further notice; Solar Mini 4 50%…
- Oct 19, 2026packagingUpstage API deepens Solar Pro 4 promo to 70% off through Oct 19
- Oct 12, 2026packagingUpstage API trims Solar launch promos to 50% off, raising promo rates
- Oct 5, 2026packagingUpstage API deepens Solar Mini 4 promo to 70% off, sunsets Solar Pro 3 · this change
- Sep 28, 2026packagingUpstage API launches Solar Mini 4 at 50% off: $0.05/1M input through Oct 22
- Sep 14, 2026packagingUpstage API promo tapers to 70% off, cuts cost calculator too
- Sep 7, 2026packagingUpstage API: Solar Pro 4 discount extended at 70% off (was reverting to standard price)
- Aug 17, 2026packagingUpstage API ends Solar Pro 4 free period — now 90% off until Sep 10, full rates from Sep 11
- Jul 28, 2026decreaseUpstage API: File Search pricing dropped to Free + Embed trial/EOL extended
- Jul 13, 2026decreaseUpstage API: Embed 2 post-promo rate cut ($0.10→$0.02/1M tokens)
Across AI & Machine Learning in the same window
All AI & Machine Learning changes- OpenAIOct 5OpenAI API halves GPT-6.1 Sol cached input price to $0.10 per 1M tokens
- Together AIOct 5Together AI adds Tev1 4B Experimental at $0.04 input with free output
- AnthropicSep 28Anthropic API: Opus 5.5 launches, replaces Opus 5 as flagship
- GoogleSep 7Google Workspace: promo discount cut from 50% to 30%/20% off
- Mistral AIAug 17Mistral AI folds Education into Pro, adds bundled API credits to entry plans
Questions about this change
Did Upstage raise prices in October 2026?
No list-price increase was recorded between Sep 28, 2026 and Oct 5, 2026. The change Pulse detected was a pricing change: discount change, feature change.
What changed on Upstage's pricing page between Sep 28, 2026 and Oct 5, 2026?
Solar Mini 4, Solar Pro 4 discount: 0.05 → 0.03 (−40%); Solar Pro 3, Solar Pro 2, Solar Mini feature: No End-of-service notices → End-of-service notices, added. Pulse compared the captures it took on Sep 28, 2026 and Oct 5, 2026; the before/after table above lists each item as written on the page.
How often does Upstage change its pricing?
Pulse recorded 6 other pricing-page changes for Upstage in the 90 days before this one; the previous change was "Upstage API launches Solar Mini 4 at 50% off: $0.05/1M input through Oct 22" on Sep 28, 2026; Upstage has been tracked since 2026-04-29.