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

GLM-5.3-Flash is cheaper on output tokens ($0.58 vs $0.83 per 1M).

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

GLM-5.3-Flash has the larger context window (1M tokens).

GLM-5.3-Flash vs GPT-OSS-120B

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

Spec	GLM-5.3-Flash	GPT-OSS-120B
Provider	Berget.AI	Berget.AI
Input / 1M tokens	$0.29	$0.22
Output / 1M tokens	$0.58	$0.83
Context window	1M	128K
Parameters	—	117B
Open weights	Yes	Yes
Released	Aug 2026	Aug 2025

GLM-5.3-Flash 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.