claude-fable-5.1 vs nemotron-3-ultra-550b-a55b
Both can be used on onomeo. Everything below comes from calls made through this site.
- claude-fable-5.1
- 1 advantage
- nemotron-3-ultra-550b-a55b
- 4 advantages
How to choose
claude-fable-5.1Reads images
nemotron-3-ultra-550b-a55bCheaper: about $0.00046 a reply, 97% lessFaster: 1.4s on averageHigher in this week's ranking: #39Open weights
claude-fable-5.1
By AnthropicNew this week
nemotron-3-ultra-550b-a55b
By NVIDIA
Where they differ
claude-fable-5.1nemotron-3-ultra-550b-a55b
On this site
3.4sAverage response this week1.4s
$0.018Price per reply$0.00046
#48Place in this week's ranking#39
$216.67Price per million characters$5.00
The model itself
YesReads imagesNo
Jun 2026Knowledge cutoffNot published
1 Sep 2026Released4 Jun 2026
NoOpen weightsYes
Where they match
- Availability, this week's tests100%
- Context length1M tokens
- Longest reply128K tokens
- Calls toolsYes
- Thinks before answeringYes
- Conversations used for trainingUsed to train and improve the provider’s models
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. Free models are counted in calls; big models are charged by usage, in US dollars.
Compare next
claude-fable-5.1 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 Models are served by third-party providers and may slow down or be withdrawn; this page follows those changes.