Is OpenAI GPT OSS 120B or GLM-5 cheaper?

OpenAI GPT OSS 120B is cheaper on output tokens ($0.25 vs $3.20 per 1M).

Which has the larger context window, OpenAI GPT OSS 120B or GLM-5?

GLM-5 has the larger context window (203K tokens).

OpenAI GPT OSS 120B vs GLM-5

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

Spec	OpenAI GPT OSS 120B	GLM-5
Provider	NovitaAI	NovitaAI
Input / 1M tokens	$0.05	$1.00
Output / 1M tokens	$0.25	$3.20
Context window	131K	203K
Parameters	117B	744B
Open weights	Yes	Yes
Released	Aug 2025	Feb 2026

OpenAI 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.