GPT-5.2 vs xAI: Grok 4
Compare GPT-5.2 by OpenAI against xAI: Grok 4 by xAI, context windows of 400K vs 256K, tested across 38 shared challenges. Updated April 2026.
Which is better, GPT-5.2 or xAI: Grok 4?
GPT-5.2 and xAI: Grok 4 are both competitive models. GPT-5.2 costs $1.75/M input tokens vs $3/M for xAI: Grok 4. Context windows: 400K vs 256K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-5.2 and xAI: Grok 4
GPT-5.2 is made by openai while xAI: Grok 4 is from xai. GPT-5.2 has a 400K token context window compared to xAI: Grok 4's 256K. On pricing, GPT-5.2 costs $1.75/M input tokens vs $3/M for xAI: Grok 4.
No community votes yet. On paper, GPT-5.2 has the edge — bigger model tier, newer, bigger context window.
Style Comparison
GPT-5.2 uses 7.0x more transitions
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279 AI models invented the same fake scientist.
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