Is GLM-4.5-Air or GPT-3.5-turbo cheaper?

GLM-4.5-Air is cheaper on output tokens ($1.10 vs $1.50 per 1M).

Which has the larger context window, GLM-4.5-Air or GPT-3.5-turbo?

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

GLM-4.5-Air vs GPT-3.5-turbo

GLM-4.5-Air is cheaper on output tokens, while GLM-4.5-Air offers a larger context window. Choose GLM-4.5-Air or GPT-3.5-turbo based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM-4.5-Air	GPT-3.5-turbo
Provider	OrcaRouter	OrcaRouter
Input / 1M tokens	$0.20	$0.50
Output / 1M tokens	$1.10	$1.50
Context window	131K	16K
Parameters	—	20B
Open weights	Yes	No
Released	Jul 2025	Mar 2023

GLM-4.5-Air details →GPT-3.5-turbo details →

FAQ

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