gpt-oss-120b vs nemotron-3-ultra-550b-a55b
Both run on onomeo with free credits. Everything below comes from calls made through this site.
- gpt-oss-120b
- 2 advantages
- nemotron-3-ultra-550b-a55b
- 2 advantages
How to choose
gpt-oss-120bHigher in this week's ranking: #2No training on conversations
nemotron-3-ultra-550b-a55bCheaper: about 13 a reply, 98% lessLonger context: 1M tokens
gpt-oss-120b
By OpenAI
nemotron-3-ultra-550b-a55b
By NVIDIANew this week
Where they differ
gpt-oss-120bnemotron-3-ultra-550b-a55b
On this site
1.3sAverage response this week1.1s
652Credits per reply13
#2Place in this week's ranking#38
The model itself
128K tokensContext length1M tokens
32K tokensLongest reply128K tokens
Not used for training.Conversations used for trainingUsed to train and improve the provider’s models.
Jun 2024Knowledge cutoffNot published
5 Aug 2025Released4 Jun 2026
Where they match
- Availability, last 3 days100%
- Availability, this week's tests100%
- Replies a day's check-in buys~288
- Reads imagesNo
- Calls toolsYes
- Thinks before answeringYes
- Open weightsYes
Availability over 3 days counts every call made through the site; this week's availability counts every call over the last 7 days, scheduled tests included, and response time comes from the site's own scheduled tests. Replies a day assumes a full daily check-in and the daily call limit.
Compare next
gpt-oss-120b against other models
nemotron-3-ultra-550b-a55b against other models
Figures come from real calls made through this site. Models are served by third-party providers and may slow down or be withdrawn; this page follows those changes.