Is zai-org/GLM-5.1 or moonshotai/Kimi-K2.5 cheaper?

moonshotai/Kimi-K2.5 is cheaper on output tokens ($2.25 vs $4.40 per 1M).

Which has the larger context window, zai-org/GLM-5.1 or moonshotai/Kimi-K2.5?

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

zai-org/GLM-5.1 vs moonshotai/Kimi-K2.5

moonshotai/Kimi-K2.5 is cheaper on output tokens, while moonshotai/Kimi-K2.5 offers a larger context window. Choose zai-org/GLM-5.1 or moonshotai/Kimi-K2.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	zai-org/GLM-5.1	moonshotai/Kimi-K2.5
Provider	SiliconFlow	SiliconFlow
Input / 1M tokens	$1.40	$0.45
Output / 1M tokens	$4.40	$2.25
Context window	205K	262K
Parameters	754B	1T
Open weights	Yes	Yes
Released	Apr 2026	Jan 2026

zai-org/GLM-5.1 details →moonshotai/Kimi-K2.5 details →

FAQ

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