GPT-5.3-CodexvsNVIDIA Nemotron 3 Super (free)
GPT-5.3-Codex has a larger context window than NVIDIA Nemotron 3 Super (free) (400K tokens vs 262K tokens).
| Spec | GPT-5.3-Codex | NVIDIA Nemotron 3 Super (free) |
|---|---|---|
| Input price | $1.75/M tokens | — |
| Output price | $14/M tokens | — |
| Context window | 400K tokens | 262K tokens |
| Released | Feb 2026 | Mar 2026 |
Our Verdict
GPT-5.3-Codex
NVIDIA Nemotron 3 Super (free)Runner-up
Not enough votes to call it. On the specs, GPT-5.3-Codex has the edge: bigger model tier, bigger context window, major provider backing.
Slight edge
API pricing
Cost per 1M tokens
GPT-5.3-Codex
Input
$1.75
Output
$14.00
NVIDIA Nemotron 3 Super (free)
Input
—
Output
—
Writing DNA
Style Comparison
Similarity
57%
NVIDIA Nemotron 3 Super (free) uses 6.0x more transitions
GPT-5.3-Codex
NVIDIA Nemotron 3 Super (free)
65%Vocabulary55%
23wSentence Length22w
0.51Hedging0.36
6.5Bold5.1
6.2Lists2.9
0.16Emoji0.20
1.90Headings0.64
0.03Transitions0.17
Based on 23 + 23 text responses
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