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  5. Grok 4.7vsOpenAI o4-mini
Updated Sep 2026

Grok 4.7vsOpenAI o4-mini

OpenAI o4-mini is cheaper than Grok 4.7 at $1.1/M vs $1.6/M input tokens.

Grok 4.7 and OpenAI o4-mini compared across 10 shared prompts
SpecGrok 4.7OpenAI o4-mini
Input price$1.6/M tokens$1.1/M tokens
Output price$4.8/M tokens$4.4/M tokens
Context window500K tokens—
WeightsClosedClosed
Free API (OpenRouter)NoNo
ReleasedSep 2026Apr 2025
Our Verdict
Grok 4.7
Grok 4.7
OpenAI o4-mini
OpenAI o4-miniRunner-up

Not enough votes to call it. On the specs, Grok 4.7 has the edge: bigger model tier, newer, bigger context window.

Too close to call
API pricing

Cost per 1M tokens

Grok 4.7
Input
$1.60
Output
$4.80
OpenAI o4-mini
Input
$1.10
1.5× cheaper
Output
$4.40
1.1× cheaper

OpenAI o4-mini is cheaper on both: 1.5× input, 1.1× output.

Where to run it

2 hosts

Grok 4.71 host
HostInOutContextUptime
xAI$1.60 in·$4.80 out·500k·99.1% up
OpenAI o4-mini1 host
HostInOutContextUptime
OpenAI$1.10 in·$4.40 out·200k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Grok 4.7 is developed by xAI while OpenAI o4-mini is developed by OpenAI. You can compare their actual outputs across 10 challenges on Rival to see how they differ in practice.

It depends on your use case. Grok 4.7 and OpenAI o4-mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 10 challenges so you can judge which fits your needs best.

Grok 4.7 costs $1.6/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. OpenAI o4-mini is $0.50/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 4.7 and OpenAI o4-mini 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 4.7 logo
Grok 4.710 outputs, specs and price
OpenAI o4-mini logo
OpenAI o4-mini59 outputs, specs and price
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