Gemini 1.5 Pro vs Google: Gemini 3.1 Flash Lite
Compare Gemini 1.5 Pro and Google: Gemini 3.1 Flash Lite, both from Google AI, context windows of 1.0M vs 1.0M, tested across 18 shared challenges. Updated June 2026.
Which is better, Gemini 1.5 Pro or Google: Gemini 3.1 Flash Lite?
Gemini 1.5 Pro and Google: Gemini 3.1 Flash Lite are both competitive models. Gemini 1.5 Pro costs $3.5/M input tokens vs $0.25/M for Google: Gemini 3.1 Flash Lite. Context windows: 1000K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between Gemini 1.5 Pro and Google: Gemini 3.1 Flash Lite
Gemini 1.5 Pro is made by google while Google: Gemini 3.1 Flash Lite is from google. Gemini 1.5 Pro has a 1000K token context window compared to Google: Gemini 3.1 Flash Lite's 1049K. On pricing, Gemini 1.5 Pro costs $3.5/M input tokens vs $0.25/M for Google: Gemini 3.1 Flash Lite.
Per 1M tokens
Google: Gemini 3.1 Flash Lite is cheaper on both — 14× input, 7.0× output
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Google: Gemini 3.1 Flash Lite is 7.0x cheaper per token — worth considering if cost matters.
Style Comparison
Google: Gemini 3.1 Flash Lite uses 11.6x more headings
