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Map / Core AI / Foundation Models / Solar / Mini

Solar Mini

by Upstage · part of Solar · Text

Upstage's compact, low-cost Solar LLM for high-volume work; Solar Mini 4 is a 35B MoE with 3B active parameters.

Latest version

Mini 422 Sep 2026 · 36 days ago

Versions

2since Solar Mini in January 2024

All versions

VersionReleasedAfter previousStatusComes asSource
Solar Mini 422 Sep 2026971 daysLatest35B total / 3B activeconsole.upstage.ai
Solar Mini25 Jan 2024First10.7Bupstage.ai

Dates from Upstage's own announcements; each row links to its source.

The Solar family

2023202420252026TodayProSolar Pro, 4 Dec 20241Solar Pro 2, 10 Jul 20252Solar Pro 3, 26 Jan 20263Solar Pro 4, 6 Aug 20264MiniSolar Mini, 25 Jan 20241Solar Mini 4, 22 Sep 20264OpenSolar Open 100B, 31 Dec 20251Solar Open 2, 22 Jul 2026210.7BSOLAR 10.7B (SOLAR-10.7B-v1.0), 14 Dec 20231.0DecideSolar Decide, 22 Sep 2026, preview1

VersionPreviewLatest version

Questions

What is the latest version of Solar Mini?

Solar Mini 4, released on 22 Sep 2026.

When was Solar Mini released?

Solar Mini came out on 25 Jan 2024.