Is GPT-5 Nano or GLM-4.6 cheaper?

GPT-5 Nano is cheaper on output tokens ($0.40 vs $2.20 per 1M).

Which has the larger context window, GPT-5 Nano or GLM-4.6?

GPT-5 Nano has the larger context window (400K tokens).

GPT-5 Nano vs GLM-4.6

GPT-5 Nano is cheaper on output tokens, while GPT-5 Nano offers a larger context window. Choose GPT-5 Nano or GLM-4.6 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-5 Nano	GLM-4.6
Provider	Abacus	Abacus
Input / 1M tokens	$0.05	$0.60
Output / 1M tokens	$0.40	$2.20
Context window	400K	128K
Parameters	—	357B
Open weights	No	Yes
Released	Aug 2025	Mar 2025

GPT-5 Nano details →GLM-4.6 details →

FAQ

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