Upstage API deepens Solar Mini 4 promo to 70% off, sunsets Solar Pro 3
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).
What changed
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).
Before and after
Sep 28, 2026 vs Oct 5, 2026Solar 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.
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Full history →- Week 40, 2026·packagingUpstage API launches Solar Mini 4 at 50% off: $0.05/1M input through Oct 22
- Week 38, 2026·packagingUpstage API promo tapers to 70% off, cuts cost calculator too
- Week 37, 2026·packagingUpstage API: Solar Pro 4 discount extended at 70% off (was reverting to standard price)
- Week 34, 2026·packagingUpstage API ends Solar Pro 4 free period — now 90% off until Sep 10, full rates from Sep 11
- Week 31, 2026·decreaseUpstage API: File Search pricing dropped to Free + Embed trial/EOL extended