Grok 3 Mini Beta vs 
NVIDIA Nemotron 3 Super (free)
NVIDIA Nemotron 3 Super (free) has a larger context window than Grok 3 Mini Beta (262K tokens vs 131K tokens).
Minimalist Landing Page
Whole landing page for a startup that reads your face. It renders or it doesn't.
Loading the build
Loading the build
Which answer wins?
Favorites
Movie
Album
Book
City
Game
Grok 3 Mini BetaGrok 3 Mini Beta
The Matrix
The Dark Side of the Moon
I, Robot
San Francisco
The Legend of Zelda: Breath of the Wild
NVIDIA Nemotron 3 Super (free)NVIDIA Nemotron 3 Super (free)
2001: A Space Odyssey
Kind of Blue
Siddhartha
Kyoto
Portal
Price and specs
Not enough votes to call it. On the specs, NVIDIA Nemotron 3 Super (free) has the edge: bigger model tier, newer, bigger context window.
| Spec | Grok 3 Mini Beta | NVIDIA Nemotron 3 Super (free) |
|---|---|---|
| Input price | $0.4/M tokens | — |
| Output price | $0.8/M tokens | — |
| Context window | 131K tokens | 262K tokens |
| Parameters | Not disclosed | 12B active (120B total) |
| Weights | — | Open |
| Free API (OpenRouter) | No | Yes (1 provider) |
| Released | Apr 2025 | Mar 2026 |
| At 10M a month | $4.00 | not listed |
Input tokens at list price. No caching, no batch discount.
Where to run it
Grok 3 Mini Beta
No hosts listed on OpenRouter.
NVIDIA Nemotron 3 Super (free)1 host
Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.
Common questions
What is the difference between Grok 3 Mini Beta and NVIDIA Nemotron 3 Super (free)?
Grok 3 Mini Beta is developed by xAI while NVIDIA Nemotron 3 Super (free) is developed by NVIDIA. Grok 3 Mini Beta has a 131K token context window vs NVIDIA Nemotron 3 Super (free)'s 262K. You can compare their actual outputs across 13 challenges on Rival to see how they differ in practice.
Which is better, Grok 3 Mini Beta or NVIDIA Nemotron 3 Super (free)?
It depends on your use case. Grok 3 Mini Beta and NVIDIA Nemotron 3 Super (free) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 13 challenges so you can judge which fits your needs best.
How can I compare Grok 3 Mini Beta and NVIDIA Nemotron 3 Super (free) on Rival?
This page shows a side-by-side comparison of Grok 3 Mini Beta and NVIDIA Nemotron 3 Super (free) across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.
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