Unsloth AI(@UnslothAI):You can now run NVIDIA Nemotron 3 Ultra, a new 550B open model. Nemotron-3-Ultra-550B-A55B is NVIDIA's largest LLM yet, with 1M context, frontier coding & chat. Run 2-bit on 200GB RAM, 3-bit on 256GB, 8-bit on 600GB. GGUF: https://t.co/5WLT7AqUBA Guide: https://t.co/APXPndWg5V

2026.06.04 16:10

You can now run NVIDIA Nemotron 3 Ultra, a new 550B open model. Nemotron-3-Ultra-550B-A55B is NVIDIA's largest LLM yet, with 1M context, frontier coding & chat. Run 2-bit on 200GB RAM, 3-bit on 256GB, 8-bit on 600GB. GGUF: Guide:

NVIDIA AI@NVIDIAAI

2026.06.04 13:06

Today we're shipping Nemotron 3 Ultra. A 550B MoE frontier-intelligence open model built for long-running agents. It delivers 5x faster inference and lowers the cost of complex agentic tasks by up to 30% versus other open frontier models.