Is gemini-2.5-flash-lite or gpt-5.1-codex cheaper?

gemini-2.5-flash-lite is cheaper on output tokens ($0.36 vs $9.00 per 1M).

Which has the larger context window, gemini-2.5-flash-lite or gpt-5.1-codex?

gemini-2.5-flash-lite has the larger context window (1M tokens).

gemini-2.5-flash-lite vs gpt-5.1-codex

gemini-2.5-flash-lite is cheaper on output tokens, while gemini-2.5-flash-lite offers a larger context window. Choose gemini-2.5-flash-lite or gpt-5.1-codex based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	gemini-2.5-flash-lite	gpt-5.1-codex
Provider	Jiekou.AI	Jiekou.AI
Input / 1M tokens	$0.09	$1.13
Output / 1M tokens	$0.36	$9.00
Context window	1M	400K
Parameters	—	—
Open weights	No	No
Released	Jan 2026	Jan 2026

gemini-2.5-flash-lite details →gpt-5.1-codex details →

FAQ

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