Home / Compare / Nemotron 3.5 Lightning vs Grok 4.7

Nemotron 3.5 Lightning vs Grok 4.7

For a typical chat reply (2,000 tokens in, 400 out), Grok 4.7 costs 21× as much as Nemotron 3.5 Lightning: $5.12 against $0.24 per 1,000 requests at list price on 2026-09-28.

Nemotron 3.5 LightningGrok 4.7
Input, per 1M tokens$0.08$1.60
Output, per 1M tokens$0.20$4.80
Context window1M500K
Classification or routing (600 tokens in, 10 out), per 1,000$0.05$1.01
Chat reply (2,000 in, 400 out), per 1,000$0.24$5.12
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$0.74$15.20
Confidence signalyesyes
Tool callingyesyes
BANKING77, correct of 400255not measured

Which one should carry your traffic?

If Nemotron 3.5 Lightning answers your requests as well as Grok 4.7, moving that traffic saves 95% 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 Grok 4.7.

Nemotron 3.5 Lightning profile · Grok 4.7 profile · Measure it on your traffic