Is Grok Code Fast 1 or Kimi K2.5 cheaper?

Grok Code Fast 1 is cheaper on output tokens ($1.50 vs $3.02 per 1M).

Which has the larger context window, Grok Code Fast 1 or Kimi K2.5?

Kimi K2.5 has the larger context window (262K tokens).

Grok Code Fast 1 vs Kimi K2.5

Grok Code Fast 1 is cheaper on output tokens, while Kimi K2.5 offers a larger context window. Choose Grok Code Fast 1 or Kimi K2.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Grok Code Fast 1	Kimi K2.5
Provider	ZenMux	ZenMux
Input / 1M tokens	$0.20	$0.58
Output / 1M tokens	$1.50	$3.02
Context window	256K	262K
Parameters	—	1T
Open weights	No	No
Released	Aug 2025	Jan 2026

Grok Code Fast 1 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.