Is Z.ai: GLM 4.5 Air or DeepSeek: R1 cheaper?

Z.ai: GLM 4.5 Air is cheaper on output tokens ($0.85 vs $2.50 per 1M).

Which has the larger context window, Z.ai: GLM 4.5 Air or DeepSeek: R1?

Z.ai: GLM 4.5 Air has the larger context window (131K tokens).

Z.ai: GLM 4.5 Air vs DeepSeek: R1

Z.ai: GLM 4.5 Air is cheaper on output tokens, while Z.ai: GLM 4.5 Air offers a larger context window. Choose Z.ai: GLM 4.5 Air or DeepSeek: R1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Z.ai: GLM 4.5 Air	DeepSeek: R1
Provider	Kilo Gateway	Kilo Gateway
Input / 1M tokens	$0.13	$0.70
Output / 1M tokens	$0.85	$2.50
Context window	131K	64K
Parameters	—	671B
Open weights	Yes	Yes
Released	Jul 2025	Jan 2025

Z.ai: GLM 4.5 Air details →DeepSeek: R1 details →

FAQ

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