Gemini 2.5 Pro Preview 06-05 vs GPT-5 Pro
Compare Gemini 2.5 Pro Preview 06-05 by Google AI against GPT-5 Pro by OpenAI, in 4 community votes, gemini 2.5 pro preview 06-05 and gpt-5 pro are closely matched, context windows of 1.0M vs 400K, tested across 36 shared challenges. Updated May 2026.
Which is better, Gemini 2.5 Pro Preview 06-05 or GPT-5 Pro?
Gemini 2.5 Pro Preview 06-05 and GPT-5 Pro are closely matched based on 4 community votes. Gemini 2.5 Pro Preview 06-05 costs $1.25/M input tokens vs $15/M for GPT-5 Pro. Context windows: 1049K vs 400K tokens. Compare their real outputs side by side below.
Key Differences Between Gemini 2.5 Pro Preview 06-05 and GPT-5 Pro
Gemini 2.5 Pro Preview 06-05 is made by google while GPT-5 Pro is from openai. Gemini 2.5 Pro Preview 06-05 has a 1049K token context window compared to GPT-5 Pro's 400K. On pricing, Gemini 2.5 Pro Preview 06-05 costs $1.25/M input tokens vs $15/M for GPT-5 Pro. In community voting, In 4 community votes, Gemini 2.5 Pro Preview 06-05 and GPT-5 Pro are closely matched.
In 4 community votes, Gemini 2.5 Pro Preview 06-05 and GPT-5 Pro are closely matched. Gemini 2.5 Pro Preview 06-05 and GPT-5 Pro perform similarly across challenge categories. Based on blind community voting from the Rival open dataset of 4+ human preference judgments for this pair.
Per 1M tokens
Gemini 2.5 Pro Preview 06-05 is cheaper on both — 12× input, 12× output
Votes are tied. GPT-5 Pro is newer and likely incorporates more recent improvements.
Gemini 2.5 Pro Preview 06-05 is 12x cheaper per token — worth considering if cost matters.
Style Comparison
Gemini 2.5 Pro Preview 06-05 uses 482.5x more bold
