Is Kimi K2.5 or GPT-5 Mini cheaper?

GPT-5 Mini is cheaper on output tokens ($2.00 vs $3.00 per 1M).

Which has the larger context window, Kimi K2.5 or GPT-5 Mini?

GPT-5 Mini has the larger context window (400K tokens).

Kimi K2.5 vs GPT-5 Mini

GPT-5 Mini is cheaper on output tokens, while GPT-5 Mini offers a larger context window. Choose Kimi K2.5 or GPT-5 Mini based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Kimi K2.5	GPT-5 Mini
Provider	OrcaRouter	OrcaRouter
Input / 1M tokens	$0.60	$0.25
Output / 1M tokens	$3.00	$2.00
Context window	262K	400K
Parameters	1T	—
Open weights	Yes	No
Released	Jan 2026	Aug 2025

Kimi K2.5 details →GPT-5 Mini details →

FAQ

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