Open-Source Alternatives to 
Solar Pro 4
The best open-weight, self-hostable alternatives to Solar Pro 4 in 2026 — compared on price, context window and capabilities. Run them locally and cut API costs.
Refreshed from live data · olud.ai
The best open-weight alternatives to Solar Pro 4
Solar Pro 4 is a proprietary, API-only model. These open-weight models can be self-hosted, run offline and used at a fraction of the cost — here's how the top ones stack up.
Nemotron 3.5 Super VL Open
Within 0.1 pts of Solar Pro 4 on the Artificial Analysis intelligence index · 1.2× cheaper per million output tokens
NVIDIA Nemotron 3.5 Super VL is an open multimodal mixture-of-experts model from NVIDIA, with 12B active parameters out of 120B total. It takes text, images, documents, GUI screenshots, and video...
Nemotron 3.5 Super VL vs Solar Pro 4 →See the full open-source leaderboard
Live ranking of open-weight models with pricing, context windows and capabilities.
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