Is Nemotron 3 Ultra 550B A55B or GLM-5.1 cheaper?

GLM-5.1 is cheaper on output tokens ($0.00 vs $2.50 per 1M).

Which has the larger context window, Nemotron 3 Ultra 550B A55B or GLM-5.1?

Nemotron 3 Ultra 550B A55B has the larger context window (1M tokens).

Nemotron 3 Ultra 550B A55B vs GLM-5.1

GLM-5.1 is cheaper on output tokens, while Nemotron 3 Ultra 550B A55B offers a larger context window. Choose Nemotron 3 Ultra 550B A55B or GLM-5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Nemotron 3 Ultra 550B A55B	GLM-5.1
Provider	Nvidia	Nvidia
Input / 1M tokens	$0.50	$0.00
Output / 1M tokens	$2.50	$0.00
Context window	1M	131K
Parameters	—	754B
Open weights	Yes	Yes
Released	Jun 2026	Mar 2026

Nemotron 3 Ultra 550B A55B details →GLM-5.1 details →

FAQ

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