# Runway releases open-weight Praxis-1 robotics model trained from video

> Original title: 机械臂任务最强 AI 引擎：Praxis-1 完胜 GPT-6 Astra，速度快 15.6 倍、成本降至 1/51

- Source: IThome · AI
- Published: 2026-11-12T07:26:00.000Z
- Bad Influence: https://badinfluence.news/items/dl4lhfqaj6fzkn96rvdxn6siy
- Original: https://www.ithome.com/1/026/104.htm

## Summary

Runway released Praxis-1, a robotics model that applies knowledge learned from video pretraining to real robot control, on November 11. The model is open-weight under Apache 2.0, built on a 27-billion-parameter Runway video foundation model, and can run locally, including in an NVFP4 quantized version for the RTX 5090.