Is Gemini 2.5 Pro or Gemini 3.1 Flash Lite Preview cheaper?

Gemini 3.1 Flash Lite Preview is cheaper on output tokens ($1.50 vs $10.00 per 1M).

Which has the larger context window, Gemini 2.5 Pro or Gemini 3.1 Flash Lite Preview?

Both models offer a similar context window.

Gemini 2.5 Pro vs Gemini 3.1 Flash Lite Preview

Gemini 3.1 Flash Lite Preview is cheaper on output tokens. Choose Gemini 2.5 Pro or Gemini 3.1 Flash Lite Preview based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Gemini 2.5 Pro	Gemini 3.1 Flash Lite Preview
Provider	Neon	Neon
Input / 1M tokens	$1.25	$0.25
Output / 1M tokens	$10.00	$1.50
Context window	1M	1M
Parameters	—	—
Open weights	No	No
Released	Jun 2025	Mar 2026

Gemini 2.5 Pro details →Gemini 3.1 Flash Lite Preview details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.