Is gpt-oss-120b or GLM 5 cheaper?

gpt-oss-120b is cheaper on output tokens ($0.60 vs $3.20 per 1M).

Which has the larger context window, gpt-oss-120b or GLM 5?

GLM 5 has the larger context window (200K tokens).

gpt-oss-120b vs GLM 5

gpt-oss-120b is cheaper on output tokens, while GLM 5 offers a larger context window. Choose gpt-oss-120b or GLM 5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	gpt-oss-120b	GLM 5
Provider	Weights & Biases	Weights & Biases
Input / 1M tokens	$0.15	$1.00
Output / 1M tokens	$0.60	$3.20
Context window	131K	200K
Parameters	117B	744B
Open weights	No	Yes
Released	Aug 2025	Feb 2026

gpt-oss-120b details →GLM 5 details →

FAQ

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