ChatGPT-4o (March 2025) vs Gemini 2.5 Pro Preview 06-05
Compare ChatGPT-4o (March 2025) by OpenAI against Gemini 2.5 Pro Preview 06-05 by Google AI, in 8 community votes, gemini 2.5 pro preview 06-05 wins 100% of head-to-head duels, context windows of 128K vs 1.0M, tested across 30 shared challenges. Updated May 2026.
Which is better, ChatGPT-4o (March 2025) or Gemini 2.5 Pro Preview 06-05?
Gemini 2.5 Pro Preview 06-05 is the better choice overall, winning 100% of 8 blind community votes on Rival. ChatGPT-4o (March 2025) costs $5/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. Context windows: 128K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between ChatGPT-4o (March 2025) and Gemini 2.5 Pro Preview 06-05
ChatGPT-4o (March 2025) is made by openai while Gemini 2.5 Pro Preview 06-05 is from google. ChatGPT-4o (March 2025) has a 128K token context window compared to Gemini 2.5 Pro Preview 06-05's 1049K. On pricing, ChatGPT-4o (March 2025) costs $5/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. In community voting, In 8 community votes, Gemini 2.5 Pro Preview 06-05 wins 100% of head-to-head duels.
In 8 community votes, Gemini 2.5 Pro Preview 06-05 wins 100% of head-to-head duels. Gemini 2.5 Pro Preview 06-05 leads in Web Design, Image Generation. Based on blind community voting from the Rival open dataset of 8+ human preference judgments for this pair.
Per 1M tokens
Gemini 2.5 Pro Preview 06-05 is cheaper on both — 4.0× input, 1.5× output
Pick Gemini 2.5 Pro Preview 06-05. In 8 blind votes, Gemini 2.5 Pro Preview 06-05 wins 100% of the time. That's not luck.
Gemini 2.5 Pro Preview 06-05 particularly excels in Web Design, Image Generation.
Style Comparison
ChatGPT-4o (March 2025) uses 94.5x more emoji
