NVIDIA: Nemotron 3 Ultra vs OpenAI o3
Compare NVIDIA: Nemotron 3 Ultra by NVIDIA against OpenAI o3 by OpenAI, tested across 53 shared challenges. Updated June 2026.
Which is better, NVIDIA: Nemotron 3 Ultra or OpenAI o3?
NVIDIA: Nemotron 3 Ultra and OpenAI o3 are both competitive models. NVIDIA: Nemotron 3 Ultra costs $0/M input tokens vs $10/M for OpenAI o3. Compare their real outputs side by side below.
Key Differences Between NVIDIA: Nemotron 3 Ultra and OpenAI o3
NVIDIA: Nemotron 3 Ultra is made by nvidia while OpenAI o3 is from openai. On pricing, NVIDIA: Nemotron 3 Ultra costs $0/M input tokens vs $10/M for OpenAI o3.
API pricing
Per 1M tokens
NVIDIA: Nemotron 3 Ultra
Input
$0.000
Output
$0.000
OpenAI o3
Input
$10.00
Output
$40.00
Our Verdict
NVIDIA: Nemotron 3 Ultra
OpenAI o3
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
Writing DNA
Style Comparison
Similarity
60%
NVIDIA: Nemotron 3 Ultra uses 13.4x more emoji
NVIDIA: Nemotron 3 Ultra
OpenAI o3
59%Vocabulary68%
16wSentence Length14w
0.26Hedging0.26
7.7Bold0.7
2.7Lists3.0
0.13Emoji0.00
0.75Headings0.38
0.04Transitions0.12
Based on 26 + 16 text responses
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