Anthropic Puts Opus and Sonnet in Claude Voice Mode, Adds Apps

Weeks after OpenAI's voice-mode refresh, Anthropic has answered with an update that changes what Claude's voice mode is for. TechCrunch reported that Anthropic said Thursday users can choose between Opus, Sonnet, and Haiku when they talk to Claude, and the voice agent can now tap into Gmail, Google Calendar, Slack, Canva, and Notion to do things like update a meeting slot, draft an email, or create a document in Notion.

The interesting part is not that voice models got bigger, it's that Anthropic is scoping voice as an agent surface rather than a chat surface. The article draws that line explicitly, calling it a big difference from OpenAI's voice mode, which updated its conversational style but still isn't able to use different tools to get work done. If that framing holds up in practice, the sales question for voice AI shifts from whose voice sounds most natural to whose voice can actually finish a task.

The mechanics are worth reading closely. Voice mode picks the last model people used in the text chat and uses its fastest version by default, which suggests Anthropic is trying to hide the model-picker choice behind the user's existing habits rather than force a decision mid-conversation. Ten languages ship in the beta, including English, Spanish, Hindi, Japanese, and Korean.

The honest caveat is where the reporting stops short. Free users get the Haiku model with only one connected app, which is fine for a demo but thin for the reschedule-my-day use case Anthropic is showing off, and there's no detail on the paid tier's app limits or on rate caps for connected actions. Nor does the piece cover how permissions or confirmations work before Claude sends an email or moves a meeting on your behalf, and those are the questions an IT buyer will ask before switching.

What's worth watching is the pull-through for the apps that got wired up. If Claude voice becomes a viable dictation-and-action layer over Gmail, Slack, Canva, and Notion, those surfaces get a hands-free front door without shipping their own agent, and Anthropic gets to argue to enterprise buyers that Claude is the assistant that can actually do the calendar move you just asked for. Whether that argument survives contact with real inboxes is the next test.