Is Claude Opus 4.8 or Kimi K2.5 cheaper?

Kimi K2.5 is cheaper on output tokens ($3.02 vs $25.00 per 1M).

Which has the larger context window, Claude Opus 4.8 or Kimi K2.5?

Claude Opus 4.8 has the larger context window (1M tokens).

Claude Opus 4.8 vs Kimi K2.5

Kimi K2.5 is cheaper on output tokens, while Claude Opus 4.8 offers a larger context window. Choose Claude Opus 4.8 or Kimi K2.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude Opus 4.8	Kimi K2.5
Provider	ZenMux	ZenMux
Input / 1M tokens	$5.00	$0.58
Output / 1M tokens	$25.00	$3.02
Context window	1M	262K
Parameters	—	1T
Open weights	No	No
Released	May 2026	Jan 2026

Claude Opus 4.8 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.