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Nemotron 3 Ultra 550B A55B vs GLM-5.3

Nemotron 3 Ultra 550B A55BNVIDIA
GLM-5.3Z.ai
Our take

GLM-5.3 wins 4 of 4 categories, but Nemotron 3 Ultra 550B A55B is 2.0× cheaper for everyday text work. Pick GLM-5.3 when quality matters most, Nemotron 3 Ultra 550B A55B at volume.

Overall3461Best
Coding5168Best
Writing4370Best
Support3867Best
Value3054Best
Input / 1M$0.60Best$1.40
Output / 1M$2.40Best$4.40
Blended / 1M$1.05Best$2.15
Context window262K1MBest
Open weightsYesYes
Released4 Jun 202614 Aug 2026

Your monthly bill

50k
Nemotron 3 Ultra 550B A55B$210Cheapest
GLM-5.3$430
List prices, a quarter of the tokens as output. Scores are provisional, from Arena and Epoch AI.