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

GPT-4o mini is cheaper on output tokens ($0.60 vs $0.85 per 1M).

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

GLM-4.5-Air has the larger context window (131K tokens).

GLM-4.5-Air vs GPT-4o mini

GPT-4o mini is cheaper on output tokens, while GLM-4.5-Air offers a larger context window. Choose GLM-4.5-Air 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-Air	GPT-4o mini
Provider	LLM Gateway	LLM Gateway
Input / 1M tokens	$0.13	$0.15
Output / 1M tokens	$0.85	$0.60
Context window	131K	128K
Parameters	—	—
Open weights	Yes	No
Released	Jul 2025	Jul 2024

GLM-4.5-Air 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.