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Map / Core AI / Foundation Models / Solar / Pro

Solar Pro

by Upstage · part of Solar · Text

Upstage's flagship Solar LLM line, now built for agentic work with long context, in English, Korean and Japanese.

Latest version

Pro 46 Aug 2026 · 83 days ago

Versions

4since Solar Pro in December 2024

All versions

VersionReleasedAfter previousStatusComes asSource
Solar Pro 46 Aug 2026192 daysLatestconsole.upstage.ai
Solar Pro 326 Jan 2026200 days102B total / 12B activeupstage.ai
Solar Pro 210 Jul 2025218 days31Bconsole.upstage.ai
Solar Pro4 Dec 2024FirstRetired22Bupstage.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 Pro?

Solar Pro 4, released on 6 Aug 2026.

When was Solar Pro 3 released?

Solar Pro 3 came out on 26 Jan 2026.

When was Solar Pro 2 released?

Solar Pro 2 came out on 10 Jul 2025.

When was Solar Pro released?

Solar Pro came out on 4 Dec 2024.