Gemini 2.5 Flash Preview vs Gemini 2.5 Pro Preview 06-05
Compare Gemini 2.5 Flash Preview and Gemini 2.5 Pro Preview 06-05, both from Google AI, context windows of 1.0M vs 1.0M, tested across 21 shared challenges. Updated June 2026.
Which is better, Gemini 2.5 Flash Preview or Gemini 2.5 Pro Preview 06-05?
Gemini 2.5 Flash Preview and Gemini 2.5 Pro Preview 06-05 are both competitive models. Gemini 2.5 Flash Preview costs $0.15/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. Context windows: 1049K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between Gemini 2.5 Flash Preview and Gemini 2.5 Pro Preview 06-05
Gemini 2.5 Flash Preview is made by google while Gemini 2.5 Pro Preview 06-05 is from google. Gemini 2.5 Flash Preview has a 1049K token context window compared to Gemini 2.5 Pro Preview 06-05's 1049K. On pricing, Gemini 2.5 Flash Preview costs $0.15/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05.
Per 1M tokens
Gemini 2.5 Flash Preview is cheaper on both — 8.3× input, 17× output
No community votes yet. On paper, Gemini 2.5 Pro Preview 06-05 has the edge — bigger model tier, newer.
Gemini 2.5 Flash Preview is 17x cheaper per token — worth considering if cost matters.
Style Comparison
Gemini 2.5 Pro Preview 06-05 uses 11.1x more headings
