nemotron-3-ultra-550b-a55b vs gpt-oss-20b
Both run on onomeo with free credits. Everything below comes from calls made through this site.
- nemotron-3-ultra-550b-a55b
- 5 advantages
- gpt-oss-20b
- 1 advantage
How to choose
nemotron-3-ultra-550b-a55bCheaper: about 13 a reply, 59% lessSteadier: 100% up over 3 daysSteadier this week: 100% of tests passedFaster: 1.1s on averageLonger context: 1M tokens
gpt-oss-20bHigher in this week's ranking: #24
nemotron-3-ultra-550b-a55b
By NVIDIANew this week
gpt-oss-20b
By OpenAI
Where they differ
nemotron-3-ultra-550b-a55bgpt-oss-20b
On this site
100%5 callsAvailability, last 3 days96%58 calls
100%10 testsAvailability, this week's tests94%69 tests
1.1sAverage response this week7.0s
13Credits per reply32
#38Place in this week's ranking#24
The model itself
1M tokensContext length128K tokens
128K tokensLongest reply32K tokens
Not publishedKnowledge cutoffJun 2024
4 Jun 2026Released5 Aug 2025
Where they match
- Replies a day's check-in buys~288
- Reads imagesNo
- Calls toolsYes
- Thinks before answeringYes
- Conversations used for trainingUsed to train and improve the provider’s models
- 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
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 Models are served by third-party providers and may slow down or be withdrawn; this page follows those changes.