NVIDIA: Bolt E4B tops MultiChallenge at 56.03% with weights, data, recipes open

NVIDIAAI · x · 2026-10-24

NVIDIA's official account adds detail on Nemotron 3.5 Bolt E4B: per ScaleAILabs, the 4GB small model tops MultiChallenge at 56.03%, 12.8 points ahead of Gemma 4 E4B (43.2%). MultiChallenge tests realistic multi-turn conversation — remembering earlier details and following instructions set at the start. Weights, data, and recipes are open and available on Hugging Face.

Related event: NVIDIA open-sources Nemotron 3.5 Bolt E4B, a 4GB model topping MultiChallenge(6 posts)→

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