Grok 3 Mini Beta vs GPT-5
Compare Grok 3 Mini Beta by xAI against GPT-5 by OpenAI, context windows of 131K vs 400K, tested across 8 shared challenges. Updated April 2026.
Which is better, Grok 3 Mini Beta or GPT-5?
Grok 3 Mini Beta and GPT-5 are both competitive models. Grok 3 Mini Beta costs $0.4/M input tokens vs $1.25/M for GPT-5. Context windows: 131K vs 400K tokens. Compare their real outputs side by side below.
Key Differences Between Grok 3 Mini Beta and GPT-5
Grok 3 Mini Beta is made by xai while GPT-5 is from openai. Grok 3 Mini Beta has a 131K token context window compared to GPT-5's 400K. On pricing, Grok 3 Mini Beta costs $0.4/M input tokens vs $1.25/M for GPT-5.
Our Verdict
GPT-5
Grok 3 Mini BetaRunner-up
No community votes yet. On paper, GPT-5 has the edge — bigger model tier, newer, bigger context window.
Grok 3 Mini Beta is 13x cheaper per token — worth considering if cost matters.
Slight edge
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279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
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