claude-sonnet-5 vs gpt-oss-20b
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
- 2 advantages
- gpt-oss-20b
- 1 advantage
How to choose
claude-sonnet-5Longer context: 1M tokensReads images
gpt-oss-20bOpen weights
claude-sonnet-5
By Anthropic
Use in chatDetails
gpt-oss-20b
By OpenAI
Where they differ
claude-sonnet-5gpt-oss-20b
On this site
—Availability, last 3 days98%101 calls
—Availability, this week's tests98%180 tests
—Average response this week1.2s
$0.004Price per replyFree
UnrankedPlace in this week's ranking#10
$15.00Price per million charactersFree
The model itself
1M tokensContext length128K tokens
128K tokensLongest reply32K tokens
YesReads imagesNo
Jan 2026Knowledge cutoffJun 2024
30 Jun 2026Released5 Aug 2025
NoOpen weightsYes
Where they match
- 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-sonnet-5 against other models
gpt-oss-20b 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 Models are served by third-party providers and may slow down or be withdrawn; this page follows those changes.