Model · Language model
Solar Pro 3
Upstage's 102-billion-parameter Mixture-of-Experts Solar Pro 3 release with 12B active parameters, served as dated snapshot API models with a tokenizer-only public artifact.
- Developer
- Upstage
- Distribution
- Developer API
- Artifact licensing
- Proprietary access
- License scope
- Reviewed release artifacts and mandatory terms; not an assessment of training code or training data openness.
- Licenses
- Proprietary
- Boundary
- This record represents the January 2026 Solar Pro 3 line served as dated snapshots (260126, 260323) with a tokenizer-only public artifact. The Solar Pro 2 predecessor, the Pro 4 successor, other Upstage lines, and the platform itself are separate boundaries.
Risk statements
Not yet examined.
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