Is Gemini 2.5 Flash-Lite or GPT-5 Nano cheaper?

Gemini 2.5 Flash-Lite and GPT-5 Nano have comparable output pricing.

Which has the larger context window, Gemini 2.5 Flash-Lite or GPT-5 Nano?

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

Gemini 2.5 Flash-Lite vs GPT-5 Nano

Both have similar output pricing, while Gemini 2.5 Flash-Lite offers a larger context window. Choose Gemini 2.5 Flash-Lite or GPT-5 Nano 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 Nano
Provider	Merge Gateway	Merge Gateway
Input / 1M tokens	$0.10	$0.05
Output / 1M tokens	$0.40	$0.40
Context window	1M	400K
Parameters	—	—
Open weights	No	No
Released	Jun 2025	Aug 2025

Gemini 2.5 Flash-Lite details →GPT-5 Nano details →

FAQ

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