Is GLM-4.5-Air or GPT-5.4 cheaper?

GLM-4.5-Air is cheaper on output tokens ($1.10 vs $22.50 per 1M).

Which has the larger context window, GLM-4.5-Air or GPT-5.4?

GPT-5.4 has the larger context window (1.1M tokens).

GLM-4.5-Air vs GPT-5.4

GLM-4.5-Air is cheaper on output tokens, while GPT-5.4 offers a larger context window. Choose GLM-4.5-Air or GPT-5.4 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM-4.5-Air	GPT-5.4
Provider	OrcaRouter	OrcaRouter
Input / 1M tokens	$0.20	$5.00
Output / 1M tokens	$1.10	$22.50
Context window	131K	1.1M
Parameters	—	—
Open weights	Yes	No
Released	Jul 2025	Mar 2026

GLM-4.5-Air details →GPT-5.4 details →

FAQ

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