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Nemotron 3 Ultra vs Nemotron 3.5 Lightning

For a typical chat reply (2,000 tokens in, 400 out), Nemotron 3 Ultra costs 9.0× as much as Nemotron 3.5 Lightning: $2.16 against $0.24 per 1,000 requests at list price on 2026-09-28.

Nemotron 3 UltraNemotron 3.5 Lightning
Input, per 1M tokens$0.60$0.08
Output, per 1M tokens$2.40$0.20
Context window262K1M
Classification or routing (600 tokens in, 10 out), per 1,000$0.384$0.05
Chat reply (2,000 in, 400 out), per 1,000$2.16$0.24
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$6.00$0.74
Confidence signalnoyes
Tool callingyesyes
BANKING77, correct of 400not measured255

Which one should carry your traffic?

If Nemotron 3.5 Lightning answers your requests as well as Nemotron 3 Ultra, moving that traffic saves 89% on chat-shaped requests. Averages cannot tell you whether it does for your requests. Nemotron 3.5 Lightning exposes a confidence signal, so Gimbix can let it answer first and hand unsure cases to Nemotron 3 Ultra.

Nemotron 3 Ultra profile · Nemotron 3.5 Lightning profile · Measure it on your traffic