Grok 3 vs GPT-4

Compare Grok 3 by xAI against GPT-4 by OpenAI, context windows of 128K vs 8K, tested across 17 shared challenges. Updated March 2026.

Which is better, Grok 3 or GPT-4?

Grok 3 and GPT-4 are both competitive models. Context windows: 128K vs 8K tokens. Compare their real outputs side by side below.

Key Differences Between Grok 3 and GPT-4

Grok 3 is made by xai while GPT-4 is from openai. Grok 3 has a 128K token context window compared to GPT-4's 8K.

Our Verdict
Grok 3
Grok 3
GPT-4
GPT-4Runner-up

No community votes yet. On paper, Grok 3 has the edge — newer, bigger context window.

Too close to call
FAQ

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