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

GLM 5.3 Flash is cheaper on output tokens ($0.50 vs $2.40 per 1M).

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

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

GLM 5.3 Flash vs Nemotron 3 Ultra 550B A55B

GLM 5.3 Flash is cheaper on output tokens, while GLM 5.3 Flash offers a larger context window. Choose GLM 5.3 Flash 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 Flash	Nemotron 3 Ultra 550B A55B
Provider	Fireworks AI	Fireworks AI
Input / 1M tokens	$0.15	$0.60
Output / 1M tokens	$0.50	$2.40
Context window	1M	262K
Parameters	—	—
Open weights	Yes	Yes
Released	Aug 2026	Jun 2026

GLM 5.3 Flash 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.