gpt-oss-20b vs hy4-preview
Both can be used on onomeo. Everything below comes from calls made through this site.
- gpt-oss-20b
- 3 advantages
- hy4-preview
- 2 advantages
How to choose
gpt-oss-20bSteadier this week: 98% of tests passedFaster: 1.2s on averageHigher in this week's ranking: #4
hy4-previewLonger context: 1M tokensNo training on conversations
gpt-oss-20b
By OpenAI
hy4-preview
By TencentNew this week
Where they differ
gpt-oss-20bhy4-preview
On this site
99%115 callsAvailability, last 3 days97%88 calls
98%203 testsAvailability, this week's tests95%100 tests
1.2sAverage response this week3.5s
#4Place in this week's ranking#9
The model itself
128K tokensContext length1M tokens
32K tokensLongest reply64K tokens
Used to train and improve the provider’s models.Conversations used for trainingNot used for training.
Jun 2024Knowledge cutoffNot published
5 Aug 2025Released28 Aug 2026
Where they match
- Price per replyFree
- 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. Free models are counted in calls; big models are charged by usage, in US dollars.
Compare next
gpt-oss-20b against other models
hy4-preview 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 Models are served by third-party providers and may slow down or be withdrawn; this page follows those changes.