IFM, Runway, and NVIDIA Release Open World Action Models

Three open world action models are now publicly available. Runway released Praxis-1 on November 11 under Apache 2.0, a world action model for robotics that converts video pretraining into robot control. Anastasis Germanidis said Praxis-1 leads the RoboLab open-weights leaderboard and outperforms every other world action model on that benchmark, and that it is more than 10x faster and 50x cheaper than GPT-6 Astra on manipulation tasks tested. IFM at MBZUAI released PAN 2 on November 10 under Apache 2.0 with training code, coupling a multimodal LLM for conceptual planning with a 29B-parameter latent diffusion model that simulates physical appearance, motion, and spatial consistency. PAN 2 achieves 34.00% full-plan completion on benchmarks, ranking first among open models on Physics-IQ Verified with a score of 49.38, though closed model FLUX 3 scores 51.11. NVIDIA released Cosmos 3, open models for interactive world simulation, on November 5 via HuggingFace.