Is GPT-4o (2024-08-06) or GLM 4.5 cheaper?

GLM 4.5 is cheaper on output tokens ($1.30 vs $10.00 per 1M).

Which has the larger context window, GPT-4o (2024-08-06) or GLM 4.5?

Both models offer a similar context window.

GPT-4o (2024-08-06) vs GLM 4.5

GLM 4.5 is cheaper on output tokens. Choose GPT-4o (2024-08-06) or GLM 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-4o (2024-08-06)	GLM 4.5
Provider	NanoGPT	NanoGPT
Input / 1M tokens	$2.50	$0.30
Output / 1M tokens	$10.00	$1.30
Context window	128K	128K
Parameters	—	355B
Open weights	No	No
Released	Aug 2024	Apr 2025

GPT-4o (2024-08-06) details →GLM 4.5 details →

FAQ

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