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

GLM-5.3-Flash is cheaper on output tokens ($0.50 vs $0.75 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	Tempr Gateway	Tempr Gateway
Input / 1M tokens	$0.15	$0.35
Output / 1M tokens	$0.50	$0.75
Context window	1M	131K
Parameters	—	—
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.