Anthropic has initiated the rollout of Grok 3.5, the latest version of its AI language model, exclusively for Super Grok users, who are premium subscribers. Early access to Grok 3.5 has been granted to this select group, with users beginning to test its performance. The release follows anticipation within the AI community, alongside upcoming launches of other models such as Claude 4, GPT-5, and Deepseek R2.