Is GPT-5.4 nano or Gemini 3 Flash Preview cheaper?

GPT-5.4 nano is cheaper on output tokens ($1.25 vs $3.00 per 1M).

Which has the larger context window, GPT-5.4 nano or Gemini 3 Flash Preview?

Gemini 3 Flash Preview has the larger context window (1M tokens).

GPT-5.4 nano vs Gemini 3 Flash Preview

GPT-5.4 nano is cheaper on output tokens, while Gemini 3 Flash Preview offers a larger context window. Choose GPT-5.4 nano or Gemini 3 Flash Preview based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-5.4 nano	Gemini 3 Flash Preview
Provider	Neon	Neon
Input / 1M tokens	$0.20	$0.50
Output / 1M tokens	$1.25	$3.00
Context window	400K	1M
Parameters	—	—
Open weights	No	No
Released	Mar 2026	Dec 2025

GPT-5.4 nano details →Gemini 3 Flash Preview details →

FAQ

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