Gemini 2.5 Flash Preview vs GPT-4
Compare Gemini 2.5 Flash Preview by Google AI against GPT-4 by OpenAI, context windows of 1.0M vs 8K, tested across 9 shared challenges. Updated April 2026.
Which is better, Gemini 2.5 Flash Preview or GPT-4?
Gemini 2.5 Flash Preview and GPT-4 are both competitive models. Gemini 2.5 Flash Preview costs $0.15/M input tokens vs $30/M for GPT-4. Context windows: 1049K vs 8K tokens. Compare their real outputs side by side below.
Key Differences Between Gemini 2.5 Flash Preview and GPT-4
Gemini 2.5 Flash Preview is made by google while GPT-4 is from openai. Gemini 2.5 Flash Preview has a 1049K token context window compared to GPT-4's 8K. On pricing, Gemini 2.5 Flash Preview costs $0.15/M input tokens vs $30/M for GPT-4.
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Gemini 2.5 Flash Preview is 100x cheaper per token — worth considering if cost matters.
Style Comparison
Gemini 2.5 Flash Preview uses 8.8x more headings
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279 AI models invented the same fake scientist.
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