Is GLM-5.3 or OpenAI GPT OSS 120B cheaper?

OpenAI GPT OSS 120B is cheaper on output tokens ($2.92 vs $4.48 per 1M).

Which has the larger context window, GLM-5.3 or OpenAI GPT OSS 120B?

GLM-5.3 has the larger context window (262K tokens).

GLM-5.3 vs OpenAI GPT OSS 120B

OpenAI GPT OSS 120B is cheaper on output tokens, while GLM-5.3 offers a larger context window. Choose GLM-5.3 or OpenAI GPT OSS 120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM-5.3	OpenAI GPT OSS 120B
Provider	CloudFerro Sherlock	CloudFerro Sherlock
Input / 1M tokens	$0.34	$2.92
Output / 1M tokens	$4.48	$2.92
Context window	262K	131K
Parameters	—	117B
Open weights	Yes	Yes
Released	Aug 2026	Aug 2025

GLM-5.3 details →OpenAI GPT OSS 120B details →

FAQ

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