Hydrogen-1.0: Open-Weight Scientific Research Model Built on GLM-5.3

Key Info

Hydrogen-1.0 is introduced as a first open-weight model for scientific research, post-trained from GLM-5.3 on internal scientific data, lab records, and discovery trajectories.

Highlights

• Scores 38.3% on FrontierScience-Research, compared with 33.3% for GPT-6-Astra
• Achieves 93.0% on GPQA-Diamonds
• Built by post-training GLM-5.3 on proprietary scientific data and lab records
• Released with open weights to let researchers inspect, adapt, and build on the model
• Positioned as an open effort toward AI-driven scientific discovery