Anthropic is secretly engaged on new fashions known as Claude Sonnet 4 and Opus 4, that are believed to be the corporate’s most superior AI fashions.
That is based on Anthropic internet configuration recordsdata, which have been not too long ago up to date with references to Claude Sonnet 4 and Opus 4.
As you possibly can see within the above picture exhibiting the interior configuration file, Anthropic has particularly talked about “Claude 4,” “Claude Sonnet 4,” and “Claude Opus 4.”
These look like a part of the Claude 4 collection, which we predict might be Anthropic’s smartest fashions but.
The references recommend Claude Sonnet 4 and Opus 4 are being examined or promoted internally, with some warnings like “Not meant for manufacturing use” and “strict price limits,” that means they’re nonetheless underneath improvement or early entry.
There are additionally references to options like “show_raw_thinking,” which level to reasoning capabilities.
On Might 22, Anthropic is internet hosting a ‘Code with Claude’ occasion, however we do not know if the occasion is said to the brand new fashions.