Updated Jan 17
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Nov 11, 2026
OpenAI Acquires Odessia, an AI Travel Agent, From Sonder's Founder
OpenAI acquired Odessia, an AI travel agent startup founded by Sonder co-founder Francis Davidson, the companies announced Monday. Built in five months by eight people using GPT-5.5 and Codex, Odessia had processed over $60 million in annualized travel bookings before being shut down as part of the deal. The acquisition signals OpenAI's ambition to move beyond simply referring users to Booking.com and Expedia.
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May 19, 2026
Anthropic Acquires SDK Platform Stainless for at Least $300M, Locking Out OpenAI and Google
Anthropic has acquired Stainless, the SDK generation platform that builds official developer libraries for OpenAI, Google, and Cloudflare, in a deal reportedly worth over $300 million. The acquisition immediately removes a critical infrastructure layer from competitors, forcing them to rebuild their SDK pipelines while Anthropic gains full control of the tooling that powers API integrations across the AI industry.
anthropicstainlesssdk
May 18, 2026
OpenAI Acquires Voice-Cloning Startup Weights.gg in a Pre-IPO Cleanup
OpenAI quietly acquired Weights.gg, a voice-cloning startup with a catalog of unauthorized celebrity voice models including Taylor Swift and Samuel L. Jackson, then shut down its consumer app and scattered the team. Analysts call it a pre-IPO legal cleanup masquerading as a talent acquisition.
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