Is Kimi K2 Thinking or Kimi K2.5 cheaper?

Kimi K2 Thinking is cheaper on output tokens ($2.50 vs $3.02 per 1M).

Which has the larger context window, Kimi K2 Thinking or Kimi K2.5?

Both models offer a similar context window.

Kimi K2 Thinking vs Kimi K2.5

Kimi K2 Thinking is cheaper on output tokens. Choose Kimi K2 Thinking or Kimi K2.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Kimi K2 Thinking	Kimi K2.5
Provider	ZenMux	ZenMux
Input / 1M tokens	$0.60	$0.58
Output / 1M tokens	$2.50	$3.02
Context window	262K	262K
Parameters	1T	1T
Open weights	No	No
Released	Nov 2025	Jan 2026

Kimi K2 Thinking details →Kimi K2.5 details →

FAQ

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