Anthropic adds Opus and Sonnet to Claude voice mode

Anthropic has released a major upgrade to the voice mode for its Claude chatbot, allowing paid users for the first time to access its most powerful artificial intelligence models, Opus and Sonnet, during spoken conversations. The update, which began rolling out in beta on July 23, 2026, also integrates the chatbot's app connectors into voice mode, enabling it to pull context from tools like Gmail, Slack, and Notion with user permission.

Previously, Claude's voice feature, launched last year, operated exclusively through the company's smaller and faster Haiku model. While this ensured quick response times, it was less capable of handling complex or nuanced tasks. The new release aligns the intelligence of voice interactions with Claude's text-based capabilities. A model picker within the interface now lets users switch between Haiku, Sonnet, and Opus during a conversation. By default, the system will use the last model a user selected in a text chat, running its fastest variant to maintain conversational flow.

A significant addition is the activation of Claude's app connectors for voice. This allows the assistant to perform work-related tasks based on spoken commands, such as...