POLAR
Shanghai AI Lab (InternLM) · China
Shanghai AI Lab POLAR reward model
- Release month
- Field
- Judge
- Availability
- open-weight
- Parameters
- 1.8B, 7B
- License
- Apache-2.0 · Commercial OK
- Size
- 1.8B · 7B
Overview
- Released July 2025 · Open weights · 1.8B and 7B
- Reward model pretrained via policy discrimination
View official announcement ↗
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