Gemini 2.5 Pro Preview 06-05 vs o3 Mini
Compare Gemini 2.5 Pro Preview 06-05 by Google AI against o3 Mini by OpenAI, context windows of 1.0M vs 64K, tested across 44 shared challenges. Updated May 2026.
Which is better, Gemini 2.5 Pro Preview 06-05 or o3 Mini?
Gemini 2.5 Pro Preview 06-05 and o3 Mini are both competitive models. Gemini 2.5 Pro Preview 06-05 costs $1.25/M input tokens vs $1.1/M for o3 Mini. Context windows: 1049K vs 64K tokens. Compare their real outputs side by side below.
Key Differences Between Gemini 2.5 Pro Preview 06-05 and o3 Mini
Gemini 2.5 Pro Preview 06-05 is made by google while o3 Mini is from openai. Gemini 2.5 Pro Preview 06-05 has a 1049K token context window compared to o3 Mini's 64K. On pricing, Gemini 2.5 Pro Preview 06-05 costs $1.25/M input tokens vs $1.1/M for o3 Mini.
Per 1M tokens
o3 Mini is cheaper on both — 1.1× input, 2.3× output
No community votes yet. On paper, Gemini 2.5 Pro Preview 06-05 has the edge — bigger model tier, newer, bigger context window.
Style Comparison
o3 Mini uses 7.4x more transitions
