Is gpt-5-mini or gpt-5.1-codex-max cheaper?

gpt-5-mini is cheaper on output tokens ($1.80 vs $9.00 per 1M).

Which has the larger context window, gpt-5-mini or gpt-5.1-codex-max?

Both models offer a similar context window.

gpt-5-mini vs gpt-5.1-codex-max

gpt-5-mini is cheaper on output tokens. Choose gpt-5-mini or gpt-5.1-codex-max based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	gpt-5-mini	gpt-5.1-codex-max
Provider	Jiekou.AI	Jiekou.AI
Input / 1M tokens	$0.23	$1.13
Output / 1M tokens	$1.80	$9.00
Context window	400K	400K
Parameters	—	—
Open weights	No	No
Released	Jan 2026	Jan 2026

gpt-5-mini 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.