GPT-5 vs Nemotron 3.5 Lightning
Compare GPT-5 by OpenAI against Nemotron 3.5 Lightning by NVIDIA, context windows of 400K vs 1.0M, tested across 51 shared challenges.
Our Verdict
GPT-5
Nemotron 3.5 Lightning
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Nemotron 3.5 Lightning is 50x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5
Input
$1.25
Output
$10.00
Nemotron 3.5 Lightning
Input
$0.08
16× cheaper
Output
$0.20
50× cheaper
Nemotron 3.5 Lightning is cheaper on both — 16× input, 50× output
Writing DNA
Style Comparison
Similarity
51%
Nemotron 3.5 Lightning uses 6.3x more emoji
GPT-5
Nemotron 3.5 Lightning
65%Vocabulary55%
13wSentence Length16w
0.20Hedging0.45
0.2Bold4.6
4.6Lists3.2
0.00Emoji0.06
0.16Headings0.50
0.03Transitions0.11
Based on 16 + 27 text responses
Research
What we learned reading every model
FAQ
