Claude voice mode expands to Opus, Sonnet across all platforms

Anthropic's expansion of voice mode to its flagship Opus and Sonnet models marks a step toward feature parity with rival conversational AI services. OpenAI's GPT-Live and Google's Gemini Live have gained traction partly because their full-duplex architecture—allowing simultaneous speaking and listening—creates a more natural conversational flow. Claude's turn-based system, which waits for the user to finish before responding, is at a disadvantage in perceived naturalness. However, Anthropic has identified a differentiation strategy: tool integration. By enabling users to compose, edit, and send emails directly from voice mode without switching contexts, Claude addresses a practical workflow gap that its competitors do not yet offer. The expansion to Opus and Sonnet (Anthropic's more capable models) suggests the company is betting that task complexity and tool-assisted productivity will appeal to users willing to tolerate a less fluid conversational experience. The ability to switch models mid-conversation and across all platforms (mobile, desktop, web) gives users flexibility to optimize for speed or capability depending on the moment—a feature neither GPT-Live nor Gemini Live explicitly highlights.