Model Inference Platform
NVIDIA Nemotron 3 Ultra is live on Fireworks, day zero

NVIDIA Nemotron 3 Ultra is live on Fireworks, day zero

6/4/2026

What this post added

This post announces the day-zero availability of NVIDIA Nemotron 3 Ultra on the Fireworks inference platform. It highlights the platform's optimizations for agentic tasks, including proprietary FireAttention kernels for up to 4x higher throughput. It also details the platform's capabilities for post-training customization (SFT, DPO) and on-demand deployments, emphasizing a unified environment for training and inference.

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