Beta

claude-opus-5.5 vs hy4-preview-free

Both can be used on onomeo. Everything below comes from calls made through this site.

claude-opus-5.5
1 advantage
hy4-preview-free
2 advantages

How to choose

claude-opus-5.5Reads images
hy4-preview-freeNo training on conversationsOpen weights

claude-opus-5.5

By Anthropic

hy4-preview-free

By Tencent

Where they differ

claude-opus-5.5hy4-preview-free
On this site
100%20 callsAvailability, last 3 days—
96%99 testsAvailability, this week's tests—
1.8sAverage response this week—
14,877Credits per replyFree
#39Place in this week's rankingUnranked
59×Credit multiplierFree
The model itself
128K tokensLongest reply64K tokens
YesReads imagesNo
Used to train and improve the provider’s models.Conversations used for trainingNot used for training.
Jun 2026Knowledge cutoffNot published
22 Sep 2026Released28 Aug 2026
NoOpen weightsYes

Where they match

  • Context length1M tokens
  • Calls toolsYes
  • Thinks before answeringYes

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 in credits.

Compare next

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 Models are served by third-party providers and may slow down or be withdrawn; this page follows those changes.