xAI: Grok 4.5 vs NVIDIA Nemotron 3 Super (free)
Compare xAI: Grok 4.5 by xAI against NVIDIA Nemotron 3 Super (free) by NVIDIA, context windows of 500K vs 262K, tested across 53 shared challenges.
Our Verdict
xAI: Grok 4.5
NVIDIA Nemotron 3 Super (free)Runner-up
No community votes yet. On paper, xAI: Grok 4.5 has the edge — newer, bigger context window, major provider backing.
Too close to call
API pricing
Cost per 1M tokens
xAI: Grok 4.5
Input
$2.00
Output
$6.00
NVIDIA Nemotron 3 Super (free)
Input
—
Output
—
Writing DNA
Style Comparison
Similarity
65%
NVIDIA Nemotron 3 Super (free) uses 3.0x more transitions
xAI: Grok 4.5
NVIDIA Nemotron 3 Super (free)
61%Vocabulary55%
16wSentence Length22w
0.23Hedging0.36
2.5Bold5.1
2.4Lists2.9
0.09Emoji0.20
0.48Headings0.64
0.06Transitions0.17
Based on 27 + 23 text responses
Research
What we learned reading every model
FAQ
