Open-weight H2O Danube3 Series
Jun 24, 2026
Summary
This post announces the release of the H2O Danube3 series of open-weight LLMs, specifically Danube3-4B and Danube3-.5B. It details their training on 6 trillion tokens using H2O LLM Studio and highlights their performance on benchmarks like HellaSwag, surpassing competitors in certain categories. The post also emphasizes the models' capabilities for cost-efficient on-device/edge deployment, enhanced privacy, AI content detection, and use as guardrail LLMs. It mentions the use of ~100 H100 GPUs for training and the models' availability on Hugging Face.