claude-sonnet-5.5 vs deepseek-v4-pro
Both can be used on onomeo. Everything below comes from calls made through this site.
- claude-sonnet-5.5
- 3 advantages
- deepseek-v4-pro
- 2 advantages
How to choose
claude-sonnet-5.5Steadier: 100% up over 3 daysSteadier this week: 100% of tests passedReads images
deepseek-v4-proHigher in this week's ranking: #12Open weights
claude-sonnet-5.5
By AnthropicNew this week
deepseek-v4-pro
By DeepSeek
Where they differ
claude-sonnet-5.5deepseek-v4-pro
On this site
100%6 callsAvailability, last 3 days86%121 calls
100%6 testsAvailability, this week's tests87%327 tests
1.4sAverage response this week1.6s
$0.0037Price per replyFree
#23Place in this week's ranking#12
$50.00Price per million charactersFree
The model itself
128K tokensLongest reply384K tokens
YesReads imagesNo
Used to train and improve the provider’s models.Conversations used for trainingThe provider does not say.
Jun 2026Knowledge cutoffMay 2025
28 Sep 2026Released24 Apr 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 are charged by usage, in US dollars.
Compare next
claude-sonnet-5.5 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 Models are served by third-party providers and may slow down or be withdrawn; this page follows those changes.