Is Kimi K2.6 Fast or Kimi K2.5 Fast cheaper?

Kimi K2.5 Fast is cheaper on output tokens ($2.59 vs $3.22 per 1M).

Which has the larger context window, Kimi K2.6 Fast or Kimi K2.5 Fast?

Both models offer a similar context window.

Kimi K2.6 Fast vs Kimi K2.5 Fast

Kimi K2.5 Fast is cheaper on output tokens. Choose Kimi K2.6 Fast or Kimi K2.5 Fast based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Kimi K2.6 Fast	Kimi K2.5 Fast
Provider	Neuralwatt	Neuralwatt
Input / 1M tokens	$0.69	$0.52
Output / 1M tokens	$3.22	$2.59
Context window	262K	262K
Parameters	—	—
Open weights	Yes	Yes
Released	Apr 2026	Jan 2026

Kimi K2.6 Fast details →Kimi K2.5 Fast details →

FAQ

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