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  5. Grok 3 Mini BetavsNemotron 3 Nano Omni (free)
Updated Apr 2026

Grok 3 Mini BetavsNemotron 3 Nano Omni (free)

Nemotron 3 Nano Omni (free) is cheaper than Grok 3 Mini Beta at $0/M vs $0.4/M input tokens.

Grok 3 Mini Beta and Nemotron 3 Nano Omni (free) compared across 4 shared prompts
SpecGrok 3 Mini BetaNemotron 3 Nano Omni (free)
Input price$0.4/M tokensFree
Output price$0.8/M tokensFree
Context window131K tokens256K tokens
Free API (OpenRouter)NoYes (1 provider)
ReleasedApr 2025Apr 2026
Our Verdict
Nemotron 3 Nano Omni (free)
Nemotron 3 Nano Omni (free)
Grok 3 Mini Beta
Grok 3 Mini BetaRunner-up

Not enough votes to call it. On the specs, Nemotron 3 Nano Omni (free) has the edge: bigger model tier, newer, bigger context window.

Too close to call
API pricing

Cost per 1M tokens

Grok 3 Mini Beta
Input
$0.40
Output
$0.80
Nemotron 3 Nano Omni (free)
Input
$0.000
Output
$0.000
Where to run it

1 host

Grok 3 Mini Beta

No hosts listed on OpenRouter.

Nemotron 3 Nano Omni (free)1 host
HostInOutContextUptime
NVIDIAdegraded$0 in·$0 out·256k·77.7% up

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Grok 3 Mini Beta is developed by xAI while Nemotron 3 Nano Omni (free) is developed by NVIDIA. Grok 3 Mini Beta has a 131K token context window vs Nemotron 3 Nano Omni (free)'s 256K. You can compare their actual outputs across 4 challenges on Rival to see how they differ in practice.

It depends on your use case. Grok 3 Mini Beta and Nemotron 3 Nano Omni (free) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 4 challenges so you can judge which fits your needs best.

Grok 3 Mini Beta costs $0.4/M input tokens and Nemotron 3 Nano Omni (free) costs $0/M input tokens. Nemotron 3 Nano Omni (free) is $0.40/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of Grok 3 Mini Beta and Nemotron 3 Nano Omni (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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Model pages

Grok 3 Mini Beta logo
Grok 3 Mini Beta13 outputs, specs and price
Nemotron 3 Nano Omni (free) logo
Nemotron 3 Nano Omni (free)17 outputs, specs and price
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