Weights aren’t public. Use is governed by Upstage’s terms. Specs from models.dev, last changed Oct 19, 2026. Official source: developers.upstage.ai.
How good is it?
Public leaderboard scores for solar-pro3, refreshed daily from Epoch AI and LMArena.
No public leaderboard lists solar-pro3 yet. Epoch AI and LMArena cover most chat, image, and video models from the big labs; embeddings, speech, and small open models mostly go unrated.
Where to run it
6 providers sell solar-pro3 through an API. Prices are per million tokens, cheapest first.