Is GPT Oss 120b or GLM 4.5 cheaper?

GPT Oss 120b is cheaper on output tokens ($0.00 vs $2.46 per 1M).

Which has the larger context window, GPT Oss 120b or GLM 4.5?

GLM 4.5 has the larger context window (131K tokens).

GPT Oss 120b vs GLM 4.5

GPT Oss 120b is cheaper on output tokens, while GLM 4.5 offers a larger context window. Choose GPT Oss 120b or GLM 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT Oss 120b	GLM 4.5
Provider	Cortecs	Cortecs
Input / 1M tokens	$0.00	$0.67
Output / 1M tokens	$0.00	$2.46
Context window	128K	131K
Parameters	117B	355B
Open weights	Yes	Yes
Released	Aug 2025	Jul 2025

GPT Oss 120b details →GLM 4.5 details →

FAQ

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