Is Gemini-2.0-Flash or GPT-5.1 cheaper?

Gemini-2.0-Flash is cheaper on output tokens ($0.42 vs $9.00 per 1M).

Which has the larger context window, Gemini-2.0-Flash or GPT-5.1?

Gemini-2.0-Flash has the larger context window (990K tokens).

Gemini-2.0-Flash vs GPT-5.1

Gemini-2.0-Flash is cheaper on output tokens, while Gemini-2.0-Flash offers a larger context window. Choose Gemini-2.0-Flash or GPT-5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Gemini-2.0-Flash	GPT-5.1
Provider	Poe	Poe
Input / 1M tokens	$0.10	$1.10
Output / 1M tokens	$0.42	$9.00
Context window	990K	400K
Parameters	—	—
Open weights	No	No
Released	Dec 2024	Nov 2025

Gemini-2.0-Flash details →GPT-5.1 details →

FAQ

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