Is Gemini-2.5-Flash-Lite or GPT-5.1 cheaper?

Gemini-2.5-Flash-Lite is cheaper on output tokens ($0.28 vs $9.00 per 1M).

Which has the larger context window, Gemini-2.5-Flash-Lite or GPT-5.1?

Gemini-2.5-Flash-Lite has the larger context window (1M tokens).

Gemini-2.5-Flash-Lite vs GPT-5.1

Gemini-2.5-Flash-Lite is cheaper on output tokens, while Gemini-2.5-Flash-Lite offers a larger context window. Choose Gemini-2.5-Flash-Lite or GPT-5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Gemini-2.5-Flash-Lite	GPT-5.1
Provider	Poe	Poe
Input / 1M tokens	$0.07	$1.10
Output / 1M tokens	$0.28	$9.00
Context window	1M	400K
Parameters	—	—
Open weights	No	No
Released	Jun 2025	Nov 2025

Gemini-2.5-Flash-Lite details →GPT-5.1 details →

FAQ

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