← Back to PeopleJournalistTom ChiversWriter at Semafor@TomChiversWebsiteTom Chivers is a writer at Semafor and freelance science writer.1Mentions1Articles1OutletsCompanies CoveredAnthropic1Meta1OpenAI1ArticlesMost recent firstMentioned InReferenced in coverageOpenAI and Anthropic Officially Endorsed a PetitionSemaforcautiousJul 30, 2026“Wrote about OpenAI and Anthropic endorsing a petition from 1,224 AI workers calling for government tools to pace frontier development.”