GPT-5 ProvsNVIDIA Nemotron 3 Super (free)
GPT-5 Pro has a larger context window than NVIDIA Nemotron 3 Super (free) (400K tokens vs 262K tokens).
| Spec | GPT-5 Pro | NVIDIA Nemotron 3 Super (free) |
|---|---|---|
| Input price | $15/M tokens | — |
| Output price | $120/M tokens | — |
| Context window | 400K tokens | 262K tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | Yes (1 provider) |
| Released | Oct 2025 | Mar 2026 |
| AIME 2025 | 100% | High |
Our Verdict
GPT-5 Pro
NVIDIA Nemotron 3 Super (free)Runner-up
Not enough votes to call it. On the specs, GPT-5 Pro has the edge: bigger model tier, bigger context window, major provider backing.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
GPT-5 Pro
Input
$15.00
Output
$120.00
NVIDIA Nemotron 3 Super (free)
Input
—
Output
—
Where to run it
2 hosts
GPT-5 Pro1 host
NVIDIA Nemotron 3 Super (free)1 host
Per million tokens. Prices and uptime via OpenRouter, checked 13 Sep 2026.
Writing DNA
Style Comparison
Similarity
42%
NVIDIA Nemotron 3 Super (free) uses 507.3x more bold
GPT-5 Pro
NVIDIA Nemotron 3 Super (free)
65%Vocabulary55%
15wSentence Length22w
0.32Hedging0.36
0.0Bold5.1
2.9Lists2.9
0.00Emoji0.20
0.00Headings0.64
0.01Transitions0.17
Based on 11 + 23 text responses
Research
What we learned reading every model
FAQ
Common questions
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