Is Gemini 2.5 Flash or GPT-5 Nano cheaper?

GPT-5 Nano is cheaper on output tokens ($0.40 vs $2.50 per 1M).

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

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

Gemini 2.5 Flash vs GPT-5 Nano

GPT-5 Nano is cheaper on output tokens, while Gemini 2.5 Flash offers a larger context window. Choose Gemini 2.5 Flash 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	GPT-5 Nano
Provider	NEAR AI Cloud	NEAR AI Cloud
Input / 1M tokens	$0.30	$0.05
Output / 1M tokens	$2.50	$0.40
Context window	1M	400K
Parameters	—	—
Open weights	No	No
Released	Jun 2025	Aug 2025

Gemini 2.5 Flash 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.