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  5. GPT-5.2vsGrok 3 Mini Beta
Updated Dec 2025

GPT-5.2vsGrok 3 Mini Beta

Grok 3 Mini Beta is cheaper than GPT-5.2 at $0.4/M vs $1.75/M input tokens.

GPT-5.2 and Grok 3 Mini Beta compared across 13 shared prompts
SpecGPT-5.2Grok 3 Mini Beta
Input price$1.75/M tokens$0.4/M tokens
Output price$14/M tokens$0.8/M tokens
Context window400K tokens131K tokens
WeightsClosed—
Free API (OpenRouter)NoNo
ReleasedDec 2025Apr 2025
Our Verdict
GPT-5.2
GPT-5.2
Grok 3 Mini Beta
Grok 3 Mini BetaRunner-up

Not enough votes to call it. On the specs, GPT-5.2 has the edge: bigger model tier, newer, bigger context window.

Grok 3 Mini Beta costs 18x less per token.

Slight edge

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GPT-5.2
Input
$1.75
Output
$14.00
Grok 3 Mini Beta
Input
$0.40
4.4× cheaper
Output
$0.80
18× cheaper

Grok 3 Mini Beta is cheaper on both: 4.4× input, 18× output.

Where to run it

2 hosts

GPT-5.22 hosts
HostInOutContextUptime
Azure AI Foundry$1.75 in·$14.00 out·400k·100% upOpenAI$1.75 in·$14.00 out·400k·99.6% up
Grok 3 Mini Beta

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 21 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

GPT-5.2 is developed by OpenAI while Grok 3 Mini Beta is developed by xAI. GPT-5.2 has a 400K token context window vs Grok 3 Mini Beta's 131K. You can compare their actual outputs across 13 challenges on Rival to see how they differ in practice.

It depends on your use case. GPT-5.2 and Grok 3 Mini Beta 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.

GPT-5.2 costs $1.75/M input tokens and Grok 3 Mini Beta costs $0.4/M input tokens. Grok 3 Mini Beta is $1.35/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 GPT-5.2 and Grok 3 Mini Beta 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.

Keep exploring

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Model pages

GPT-5.2 logo
GPT-5.253 outputs, specs and price
Grok 3 Mini Beta logo
Grok 3 Mini Beta13 outputs, specs and price
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