Is GLM-5.3 (free) or GPT-4o mini cheaper?

GLM-5.3 (free) is cheaper on output tokens ($0.00 vs $0.60 per 1M).

Which has the larger context window, GLM-5.3 (free) or GPT-4o mini?

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

GLM-5.3 (free) vs GPT-4o mini

GLM-5.3 (free) is cheaper on output tokens, while GLM-5.3 (free) offers a larger context window. Choose GLM-5.3 (free) or GPT-4o mini based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM-5.3 (free)	GPT-4o mini
Provider	TokenRouter	Abacus
Input / 1M tokens	$0.00	$0.15
Output / 1M tokens	$0.00	$0.60
Context window	1M	128K
Parameters	—	—
Open weights	Yes	No
Released	Aug 2026	Jul 2024

GLM-5.3 (free) 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.