The wave of departures from the Allen Institute for AI to Microsoft is bigger than previously known: A total of at least 10 former Ai2 staffers and researchers have joined the tech giant, including the core of the Seattle-based institute’s flagship OLMo open-source model effort.
In addition to the previously reported Microsoft hires — former Ai2 CEO Ali Farhadi, former COO Sophie Lebrecht, and research leaders Hanna Hajishirzi and Ranjay Krishna — former Ai2 researchers now at Microsoft include Luca Soldaini, Kyle Lo, Dirk Groeneveld, Pete Walsh, Matt Jordan, and Jake Poznanski.
They have joined the Superintelligence team led by Microsoft AI CEO Mustafa Suleyman, working on its core mission and AI model post-training, a Microsoft spokesperson confirmed in response to GeekWire’s inquiry. Formed in November, the team is developing what Suleyman has called “humanist superintelligence,” advanced AI systems in areas such as health care, energy, and AI companions.
More broadly, Microsoft is working to reduce its dependence on OpenAI for its own AI models. The hiring of the Ai2 group brings Microsoft a team with deep expertise in efficient, fully open model development, an area where Ai2 has punched well above its weight.
Ai2 confirmed that the researchers are no longer with the institute.
“While we saw a small number of departures earlier this year, Ai2’s mission remains unchanged,” a spokesperson said. “We remain focused on developing a fully open AI ecosystem and advancing AI for good across health, science, and environmental research.”
As evidence of Ai2’s continued momentum, the spokesperson cited a new computing cluster brought online last week as part of the $152 million initiative backed by the NSF and Nvidia, known as Open Multimodal AI Infrastructure to Accelerate Science, or OMAI.
When Farhadi’s departure as CEO was announced in March, Ai2 board chair Bill Hilf said the cost of competing at the frontier of AI as a nonprofit had become a fundamental challenge.
“The cost to do extreme-scale open model research is extraordinary,” Hilf said at the time, adding that it’s “really hard to do extreme-scale model work inside of a nonprofit.” He said the board had to weigh whether philanthropic dollars were best spent trying to keep pace with tech giants spending billions on infrastructure to train the most advanced models.
Behind the scenes, the changing nature of Ai2’s funding environment has also been playing a role in the exits, according to people with knowledge of the situation. Ai2’s primary backer is now the Fund for Science and Technology, a $3.1 billion foundation created under Allen’s instructions. The funding process has shifted from providing an overall annual budget to a proposal-based process.
A spokesperson for FFST said previously that Ai2’s “work and mission remain the same.”
Ai2’s approach to open-source AI has set it apart in the industry. Unlike most leading AI labs, the institute releases the full weights, training data, code, and evaluation tools behind its models, allowing outside researchers to inspect, reproduce, and build on the work.
Among the leaders remaining at Ai2 is Noah Smith, the Ai2 senior research director and University of Washington professor who leads the $152 million OMAI project.
The late Microsoft co-founder Paul Allen started Ai2 in 2014, with the mission of advancing AI research for the common good. Farhadi had led the institute since July 2023, succeeding founding CEO Oren Etzioni. The Ai2 board is searching for a new permanent CEO.
In a Q&A posted May 4 on the Ai2 site, interim CEO Peter Clark outlined the path forward, emphasizing longer-term research, open models, and applied AI in areas such as scientific discovery, embodied AI, and environmental science.
“Ai2 was created to take that longer-horizon view,” Clark said in the Q&A. “From the beginning, Paul Allen’s vision was to advance AI in ways that push science forward while also delivering meaningful benefit to the world, and, critically, doing it in the open.”
He said that commitment has “become even more important in the current landscape.”
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