Is GPT-5 Mini or Gemini 3.5 Flash cheaper?

GPT-5 Mini is cheaper on output tokens ($2.00 vs $9.00 per 1M).

Which has the larger context window, GPT-5 Mini or Gemini 3.5 Flash?

GPT-5 Mini has the larger context window (264K tokens).

GPT-5 Mini vs Gemini 3.5 Flash

GPT-5 Mini is cheaper on output tokens, while GPT-5 Mini offers a larger context window. Choose GPT-5 Mini or Gemini 3.5 Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-5 Mini	Gemini 3.5 Flash
Provider	GitHub Copilot	GitHub Copilot
Input / 1M tokens	$0.25	$1.50
Output / 1M tokens	$2.00	$9.00
Context window	264K	200K
Parameters	—	—
Open weights	No	No
Released	Aug 2025	May 2026

GPT-5 Mini details →Gemini 3.5 Flash details →

FAQ

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