Is GPT-4.1 or Gemini 3.5 Flash cheaper?

GPT-4.1 is cheaper on output tokens ($8.00 vs $9.00 per 1M).

Which has the larger context window, GPT-4.1 or Gemini 3.5 Flash?

Gemini 3.5 Flash has the larger context window (200K tokens).

GPT-4.1 vs Gemini 3.5 Flash

GPT-4.1 is cheaper on output tokens, while Gemini 3.5 Flash offers a larger context window. Choose GPT-4.1 or Gemini 3.5 Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-4.1	Gemini 3.5 Flash
Provider	GitHub Copilot	GitHub Copilot
Input / 1M tokens	$2.00	$1.50
Output / 1M tokens	$8.00	$9.00
Context window	128K	200K
Parameters	—	—
Open weights	No	No
Released	Apr 2025	May 2026

GPT-4.1 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.