OpenAI o4 Mini High vs xAI: Grok 4
Compare OpenAI o4 Mini High by OpenAI against xAI: Grok 4 by xAI, in 2 community votes, openai o4 mini high wins 100% of head-to-head duels, context windows of 200K vs 256K, tested across 53 shared challenges. Updated April 2026.
Which is better, OpenAI o4 Mini High or xAI: Grok 4?
OpenAI o4 Mini High is the better choice overall, winning 100% of 2 blind community votes on Rival. OpenAI o4 Mini High costs $1.1/M input tokens vs $3/M for xAI: Grok 4. Context windows: 200K vs 256K tokens. Compare their real outputs side by side below.
Key Differences Between OpenAI o4 Mini High and xAI: Grok 4
OpenAI o4 Mini High is made by openai while xAI: Grok 4 is from xai. OpenAI o4 Mini High has a 200K token context window compared to xAI: Grok 4's 256K. On pricing, OpenAI o4 Mini High costs $1.1/M input tokens vs $3/M for xAI: Grok 4. In community voting, In 2 community votes, OpenAI o4 Mini High wins 100% of head-to-head duels.
In 2 community votes, OpenAI o4 Mini High wins 100% of head-to-head duels. OpenAI o4 Mini High leads in Image Generation. Based on blind community voting from the Rival open dataset of 2+ human preference judgments for this pair.
Pick OpenAI o4 Mini High. In 2 blind votes, OpenAI o4 Mini High wins 100% of the time. That's not luck.
OpenAI o4 Mini High particularly excels in Image Generation. OpenAI o4 Mini High is 3.4x cheaper per token — worth considering if cost matters.
Style Comparison
xAI: Grok 4 uses 267.9x more bold
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