Is Nemotron 3 Ultra 550B A55B or GPT OSS 120B cheaper?

GPT OSS 120B is cheaper on output tokens ($0.25 vs $2.50 per 1M).

Which has the larger context window, Nemotron 3 Ultra 550B A55B or GPT OSS 120B?

Nemotron 3 Ultra 550B A55B has the larger context window (262K tokens).

Nemotron 3 Ultra 550B A55B vs GPT OSS 120B

GPT OSS 120B is cheaper on output tokens, while Nemotron 3 Ultra 550B A55B offers a larger context window. Choose Nemotron 3 Ultra 550B A55B or GPT OSS 120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Nemotron 3 Ultra 550B A55B	GPT OSS 120B
Provider	LLM Gateway	LLM Gateway
Input / 1M tokens	$0.50	$0.05
Output / 1M tokens	$2.50	$0.25
Context window	262K	131K
Parameters	—	117B
Open weights	Yes	No
Released	Jun 2026	Aug 2025

Nemotron 3 Ultra 550B A55B details →GPT OSS 120B details →

FAQ

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