Who, where and when?
Health's initial rollout covers logged-in U.S. users aged 18 and older across the Free, Go, Plus and Pro plans, with access expanding gradually on web and iOS. With permission, users can connect Apple Health and supported U.S. hospital records, while the feature is unavailable in Codex. Country, age, sign-in status, plan, platform and product therefore define the initial release's practical reach.[1], [2]
OpenAI reports that more than 300 million people bring health questions to ChatGPT each week and that, among people with early access, more than 70% of health conversations occurred outside the dedicated Health experience. The earlier 230 million figure comes from another company snapshot. The two snapshots lack a disclosed common cohort and method, leaving growth between them unmeasured. More importantly, the company says the system can make mistakes and supports professional care rather than replacing it.[1]
More choices in voice mode, the same underlying voice
Anthropic's update adds Opus and Sonnet choices to Claude Voice, with the system defaulting to the model last used in text chat. Connections to Gmail, Google Calendar, Slack, Canva and Notion, plus ten languages, are available in beta, though the language must be selected manually. Free users are limited to Haiku and one app connection. According to TechCrunch, the update leaves the underlying voice model unchanged.[3]
The practical value of the two announcements lies on different axes. For ChatGPT Health, the defining factors are eligibility, platform coverage and health-record connections; for Claude Voice, they are model choice, manual language selection, app connections and the limits of the free tier. Because the announcements publish no shared measure of task accuracy, conversational quality or health outcomes, the available comparison rests on access, permissions and disclosed functions.[3], [1]