Is GLM-4.5-Flash or GPT-4o mini cheaper?

GLM-4.5-Flash is cheaper on output tokens ($0.00 vs $0.60 per 1M).

Which has the larger context window, GLM-4.5-Flash or GPT-4o mini?

Both models offer a similar context window.

GLM-4.5-Flash vs GPT-4o mini

GLM-4.5-Flash is cheaper on output tokens. Choose GLM-4.5-Flash or GPT-4o mini based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM-4.5-Flash	GPT-4o mini
Provider	LLM Gateway	LLM Gateway
Input / 1M tokens	$0.00	$0.15
Output / 1M tokens	$0.00	$0.60
Context window	128K	128K
Parameters	—	—
Open weights	No	No
Released	Jul 2025	Jul 2024

GLM-4.5-Flash details →GPT-4o mini details →

FAQ

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