Is Gemini-3.1-Flash-Lite or GPT-5.1-Codex-Max cheaper?

Gemini-3.1-Flash-Lite is cheaper on output tokens ($1.50 vs $9.00 per 1M).

Which has the larger context window, Gemini-3.1-Flash-Lite or GPT-5.1-Codex-Max?

Gemini-3.1-Flash-Lite has the larger context window (1M tokens).

Gemini-3.1-Flash-Lite vs GPT-5.1-Codex-Max

Gemini-3.1-Flash-Lite is cheaper on output tokens, while Gemini-3.1-Flash-Lite offers a larger context window. Choose Gemini-3.1-Flash-Lite or GPT-5.1-Codex-Max based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Gemini-3.1-Flash-Lite	GPT-5.1-Codex-Max
Provider	Poe	Poe
Input / 1M tokens	$0.25	$1.10
Output / 1M tokens	$1.50	$9.00
Context window	1M	400K
Parameters	—	—
Open weights	No	No
Released	Feb 2026	Dec 2025

Gemini-3.1-Flash-Lite details →GPT-5.1-Codex-Max details →

FAQ

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