Is GLM 4.5 Air or GPT OSS 120B cheaper?

GLM 4.5 Air and GPT OSS 120B have comparable output pricing.

Which has the larger context window, GLM 4.5 Air or GPT OSS 120B?

Both models offer a similar context window.

GLM 4.5 Air vs GPT OSS 120B

Both have similar output pricing. Choose GLM 4.5 Air or GPT OSS 120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM 4.5 Air	GPT OSS 120B
Provider	submodel	submodel
Input / 1M tokens	$0.10	$0.10
Output / 1M tokens	$0.50	$0.50
Context window	131K	131K
Parameters	—	117B
Open weights	Yes	Yes
Released	Jul 2025	Aug 2025

GLM 4.5 Air details →GPT OSS 120B details →

FAQ

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