Tinker(@tinkerapi):Nemotron 3 Ultra from @nvidia is out today and available on Tinker day one! The flagship from the Nemotron family is built for long-running agents; @trajectorylabs have been using it in early access to power continual learning workflows.

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I tink, therefore I am. Post-training API by @thinkymachines

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Tinker@tinkerapi

2026.06.04 16:11

Nemotron 3 Ultra from @nvidia is out today and available on Tinker day one! The flagship from the Nemotron family is built for long-running agents; @trajectorylabs have been using it in early access to power continual learning workflows.

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.