claude-opus-5.5 vs free-chat
free-chat 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-opus-5.5
- 3 advantages
- free-chat
- 1 advantage
How to choose
claude-opus-5.5Steadier: 100% up over 3 daysReads imagesThinks before answering
free-chatNo training on conversations
claude-opus-5.5
By Anthropic
free-chat
By free-chat
Use in chatDetails
Where they differ
claude-opus-5.5free-chat
On this site
100%118 callsAvailability, last 3 days94%19 calls
100%122 testsAvailability, this week's tests—
2.5sAverage response this week—
$40.00Reference price per million output tokensFree
#13Place in this week's rankingUnranked
$8.00Reference price per million input tokensFree
The model itself
1M tokensContext lengthNot published
128K tokensLongest replyNot published
YesReads imagesNo
YesCalls toolsNot published
YesThinks before answeringNo
Used to train and improve the provider’s models.Conversations used for trainingNot used for training.
Jun 2026Knowledge cutoffNot published
22 Sep 2026ReleasedNot published
NoOpen weightsNot published
$0.40Reference price per million cache-read tokensFree
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. Models marked as free are counted in calls; paid models are charged by usage, in US dollars.
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free-chat 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 Models are served by third-party providers and may slow down or be withdrawn; this page follows those changes.