Is Kimi K3 or GLM 5.1 cheaper?

GLM 5.1 is cheaper on output tokens ($4.40 vs $15.00 per 1M).

Which has the larger context window, Kimi K3 or GLM 5.1?

Kimi K3 has the larger context window (1M tokens).

Kimi K3 vs GLM 5.1

GLM 5.1 is cheaper on output tokens, while Kimi K3 offers a larger context window. Choose Kimi K3 or GLM 5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Kimi K3	GLM 5.1
Provider	Umans AI	Umans AI
Input / 1M tokens	$3.00	$1.40
Output / 1M tokens	$15.00	$4.40
Context window	1M	205K
Parameters	—	754B
Open weights	Yes	Yes
Released	Jul 2026	Apr 2026

Kimi K3 details →GLM 5.1 details →

FAQ

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