Sand.ai open-sources 114B-parameter MAGI Preview video model with 6B active MoE parameters
- Sand.ai released and open-sourced MAGI Preview on August 5, 2026, describing it as the first open-source MoE video generation model with more than 100 billion parameters.
- MAGI Preview has about 114B total parameters, but its Ultrafinegrained MoE design activates about 6B parameters per forward pass.
- Sand.ai says generating a 10-second 1080p video costs about 0.5 yuan, roughly one-tenth the cost of mainstream industry models.
- The release includes model weights, code, and a 61-page technical report; the article says earlier open video models were generally in the 10B-parameter range.
- MAGI Preview ranks sixth on Artificial Analysis's text-to-video leaderboard, according to the article.