Anthropic Sonnet 5.5 AI model appears in picker, imminent release reported by users
Multiple social media users on X report that Anthropic's Sonnet 5.5 AI model has appeared in the model picker and is already routing to some users, indicating an imminent public release. Unverified benchmark leaks claim it outperforms OpenAI's GPT-6 Sol and approaches Google's Astra. Pricing remains unchanged from Sonnet 5. Anthropic has not officially confirmed the release.
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Rumored Sonnet 5.5 Release Imminent, Claims to Outperform GPT-6 Sol and Approach Astra
According to a report from Chinese media outlet 新智元, rumors are circulating on social media platform X that Anthropic's Sonnet 5.5 AI model may be released as soon as Tuesday afternoon US time. The article claims that leaked benchmark tests show Sonnet 5.5 outperforming OpenAI's GPT-6 Sol and approaching Google's Astra model in performance. This follows the recent release of Opus 5.5 just days earlier. The report is based on unverified social media speculation and benchmark leaks, with no official confirmation from Anthropic. The publication date is listed as September 29, 2026.
Read source🚨 Sonnet 5.5 is now showing up inside the model picker Let's gooo only 10m Left to officially launch https://t.co/654upFhFLH
A new AI model, Sonnet 5.5, has appeared inside a model picker interface, according to a post from user Mr_Salio on X. The post states that there are only 10 minutes left until the model's official launch. The announcement is accompanied by a link, presumably to the launch page. The appearance of the model in the picker suggests it is being made available for selection and use, marking a significant step in its deployment. The exact capabilities and features of Sonnet 5.5 are not detailed in the post, but the countdown indicates an imminent public release.
Read sourceSonnet 5.5 AI model planned for release today with same pricing as Sonnet 5
According to a post by user pankajkumar_dev on X, the AI model Sonnet 5.5 is planned for release today, with a very high chance of launching on that date. If not today, the release is expected tomorrow or definitely within the week. The post claims that many users, both free and paid, have already been routed from Sonnet 5 to Sonnet 5.5. The author states they have been routed to the new model and are testing it, describing it as a pretty good model so far. Pricing for Sonnet 5.5 will remain the same as Sonnet 5.
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