Google loses two senior Gemini researchers to Anthropic

Google just lost two senior AI researchers who helped build Gemini, joining a growing exodus to Anthropic. The departures underscore how startup IPOs are reshaping talent dynamics in the AI race.

Jonas Adler, who worked on AI coding, and Alexander Pritzel, who trained models, are moving to Claude’s maker, according to people familiar with the matter. Their shift adds to a string of high‑profile exits that have already included Nobel laureate John Jumper and researcher Noam Shazeer.

The news sent Alphabet shares down as much as 1.2% before closing slightly lower, reflecting investor concern over Google’s ability to compete as rivals accelerate. The talent drain highlights pressure on Big Tech as AI startups approach IPOs, offering lucrative payouts that lure engineers away from established labs.

Meanwhile, Anthropic’s Fable 5 model, recently restricted by U.S. security rules, may return to general access this week, giving the startup fresh competitive firepower. The potential lift of Fable 5 could amplify the impact of the new hires, as Anthropic seeks to capitalize on its momentum.

The talent shuffle also reflects a broader trend: companies are betting on open‑source tools and hardware acceleration, with NVIDIA touting DeepSeek and Gemma optimizations on its platforms. This ecosystem push is reshaping how models are developed and deployed across the industry.

A new poll shows voters across the aisle want tighter AI oversight, adding another layer of complexity for firms racing to deploy advanced models. The bipartisan demand for safety reviews could influence how quickly Google and Anthropic bring new capabilities to market.

Google’s AI roadmap now faces a credibility gap; losing engineers who shaped Gemini could slow its next‑generation model rollout, giving rivals a chance to claim the high‑ground in areas like artificial intelligence in medicine and software engineering. The exodus also reflects the allure of startup IPOs and the promise of larger equity stakes, a dynamic captured in discussions about artificial intelligence: a modern approach to talent retention.

Will Google’s deep‑pocketed war chest be enough to stem the bleed, or will the talent market tip permanently in favor of agile challengers?

FAQ
Who are the departing researchers? Jonas Adler (AI coding) and Alexander Pritzel (model training) are leaving Google for Anthropic.
What models does Anthropic have ready? The company’s Fable 5, a Mythos‑class model focused on coding and long‑running tasks, may return to general access this week.
How does this affect Google’s AI roadmap? The loss could delay next‑generation Gemini releases and weaken Google’s position in key AI domains.
What does the poll say about regulation? Over half of likely voters support mandatory safety reviews for powerful AI systems, with Republicans showing stronger enthusiasm than Democrats.