claude-sonnet-5 vs claude-sonnet-5.5
claude-sonnet-5 is paused.A paused model is switched off for now and cannot be called. Its figures below are the latest this site has for it.
- claude-sonnet-5
- No edge in the figures
- claude-sonnet-5.5
- 1 advantage
How to choose
claude-sonnet-5No edge in the figures
claude-sonnet-5.5Cheaper: about $0.0037 a reply, 8% less
claude-sonnet-5
By Anthropic
Use in chatDetails
claude-sonnet-5.5
By AnthropicNew this week
Where they differ
claude-sonnet-5claude-sonnet-5.5
On this site
—Availability, last 3 days100%5 calls
—Availability, this week's tests100%5 tests
—Average response this week1.5s
$0.004Price per reply$0.0037
UnrankedPlace in this week's ranking#40
$15.00Price per million characters$50.00
The model itself
Jan 2026Knowledge cutoffJun 2026
30 Jun 2026Released28 Sep 2026
Where they match
- Context length1M tokens
- Longest reply128K tokens
- Reads imagesYes
- Calls toolsYes
- Thinks before answeringYes
- Conversations used for trainingUsed to train and improve the provider’s models
- Open weightsNo
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.
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claude-sonnet-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 Models are served by third-party providers and may slow down or be withdrawn; this page follows those changes.