NVIDIA Nemotron 3 Ultra is out.
Summary
NVIDIA has released Nemotron 3 Ultra, a new model designed to power faster and more efficient reasoning for long-running AI agents.
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Nemotron 3 Ultra by NVIDIA
NVIDIA introduces Nemotron 3 Ultra, a new AI model designed to enable faster and more efficient reasoning for long-running agents.
NVIDIA just announced the release of Nemotron 3 Ultra (2 minute read)
Anthropic released Claude Opus 4.5, its most intelligent model, scoring 70 on the Artificial Analysis Intelligence Index and ranking second only to Gemini 3 Pro. It achieves significant gains in coding and agentic tasks while reducing per-token pricing and maintaining strong safety performance.
NVIDIA Launches Nemotron 3 Nano Omni Model, Unifying Vision, Audio and Language for up to 9x More Efficient AI Agents
NVIDIA announces Nemotron 3 Nano Omni, an open multimodal model that unifies vision, audio, and language processing to enable faster and more efficient AI agents, achieving up to 9x higher throughput compared to other open omni models.
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NVIDIA announces the upcoming release of Nemotron 3 Ultra this week.
nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4
NVIDIA releases Nemotron-3-Ultra, a 550B-parameter open-weight model with a hybrid architecture combining Mamba-2, MoE, and attention, supporting up to 1M token context and configurable reasoning mode.