Nemotron 3.5 Lightning

loaded fastswift

Hosted on our own DGX Spark in Austria, available through an OpenAI-compatible API.

76 Logic Index · budget 30,000
111 t/s tokens per second here
€ 0.25 / € 1 euros per M tokens, input / output
10M free tokens

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Every new account starts with 10M free tokens, usable for this and every other model. No card, no subscription.

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Fact sheet

Model name in the API
nemotron-3.5-lightning
Size
30B / 3B MoE (NVFP4 (ModelOpt, MIXED_PRECISION))
Context
256K
Input
Text
Capabilities
ToolsReasoning
License
OpenMDW-1.1
Tier
Fast
Hosting
always loaded

Call

OpenAI-compatible. The alias works as model name too.

{
  "model": "fast",
  "thinking_token_budget": 30000,
  "messages": [ … ]
}

This thinking budget is the one the Logic Index was reached with. Without the field, our default for short answers applies.

By test area

Reasoning chains
91
Logic vs. world knowledge
97
Logic grid puzzles
40

Consistency: same answer in every run for 94% of tasks.

Index by thinking budget

204060801007682,0484,09630,000Nemotron 3.5 LightningLogic Index

Tokens per second from our nightly measurement. Latest: 111 t/s.

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