Anthropic secretly working on new models called Cloud Sonnet 4 and Ops 4, which is believed to be the company’s most advanced AI model.
This is according to anthropic web configuration files, which were recently Update With reference to Cloud Sonnet 4 and Oppus 4.
As you can see in the above image showing the internal configuration file, anthropic is especially mentioned “Cloud 4,” “Cloud Sonnet 4,” and “Cloud Opus 4.”
These Clouds appear to be part of the 4 series, which we think can be the smartest models of anthropic yet.
References suggest that Cloud Sonnet 4 and Opus 4 are being internal being tested or promoted internal, such as “not intended for production use” and “strict rate limit”, which means they are still under development or early access.
There are also references to features such as “Show_raw_thinking”, which point to argument abilities.
On May 22, anthropic Hosting A ‘Code with Cloud’ event, but we do not know if the incident is related to the new model.