Grok 3 Mini Beta vs OpenAI o4-mini

Compare Grok 3 Mini Beta by xAI against OpenAI o4-mini by OpenAI, in 2 community votes, grok 3 mini beta wins 100% of head-to-head duels, tested across 7 shared challenges. Updated April 2026.

Which is better, Grok 3 Mini Beta or OpenAI o4-mini?

Grok 3 Mini Beta is the better choice overall, winning 100% of 2 blind community votes on Rival. Grok 3 Mini Beta costs $0.4/M input tokens vs $1.1/M for OpenAI o4-mini. Compare their real outputs side by side below.

Key Differences Between Grok 3 Mini Beta and OpenAI o4-mini

Grok 3 Mini Beta is made by xai while OpenAI o4-mini is from openai. On pricing, Grok 3 Mini Beta costs $0.4/M input tokens vs $1.1/M for OpenAI o4-mini. In community voting, In 2 community votes, Grok 3 Mini Beta wins 100% of head-to-head duels.

In 2 community votes, Grok 3 Mini Beta wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 2+ human preference judgments for this pair.

Our Verdict
Grok 3 Mini Beta
Grok 3 Mini BetaWinner
OpenAI o4-mini
OpenAI o4-miniRunner-up

Pick Grok 3 Mini Beta. In 2 blind votes, Grok 3 Mini Beta wins 100% of the time. That's not luck.

Grok 3 Mini Beta is 5.5x cheaper per token — worth considering if cost matters.

Clear winner
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Grok 3 Mini BetaOpenAI o4-mini

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