Is GLM 5.3 Fast or Nemotron 3 Ultra 550B A55B cheaper?

Nemotron 3 Ultra 550B A55B is cheaper on output tokens ($2.40 vs $6.60 per 1M).

Which has the larger context window, GLM 5.3 Fast or Nemotron 3 Ultra 550B A55B?

GLM 5.3 Fast has the larger context window (1M tokens).

GLM 5.3 Fast vs Nemotron 3 Ultra 550B A55B

Nemotron 3 Ultra 550B A55B is cheaper on output tokens, while GLM 5.3 Fast offers a larger context window. Choose GLM 5.3 Fast or Nemotron 3 Ultra 550B A55B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM 5.3 Fast	Nemotron 3 Ultra 550B A55B
Provider	Fireworks AI	Fireworks AI
Input / 1M tokens	$2.10	$0.60
Output / 1M tokens	$6.60	$2.40
Context window	1M	262K
Parameters	—	—
Open weights	Yes	Yes
Released	Aug 2026	Jun 2026

GLM 5.3 Fast details →Nemotron 3 Ultra 550B A55B details →

FAQ

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