Application Security
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How OpenAI Lost, Google Hedged and Cognition AI Bought AI Coding Start-Up Windsurf

As with any story about artificial intelligence start-ups, the acquisition of Windsurf AI happened at lightning speed. In just a couple of weeks, major Silicon Valley players took a close look at the four-year-old AI-assisted coding vendor, and ultimately Google and Cognition AI ended up with pieces of the company.
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How It All Unfolded
The buzz over Windsurf as an M&A target began in April when OpenAI made an acquisition offer, reportedly valuing Windsurf at $3 billion. It was a prime opportunity for OpenAI to increase its investment in AI-assisted coding.
Windsurf has developed one of the most advanced AI-powered coding environments including an Integrated Development Environment, or IDE, integrated with large language model workflows. The acquisition would have expanded OpenAI’s growing influence beyond language and image models into the vibrant software developer community.
But the deal fell through, most likely because of intervention from Microsoft, which raised concerns about Windsurf’s dependence on Anthropic’s Claude models and the impact on Azure-compatible infrastructure and intellectual property rights. The collapse of the deal was a setback for OpenAI and sparked speculation about how much Microsoft’s governance influence might be limiting OpenAI’s ability to act quickly in key markets.
The gap left by OpenAI’s hesitation was short-lived. Within hours, Google, via its DeepMind division, carried out a $2.4 billion reverse-acquisition. This allowed Google to license Windsurf’s core technology while acquiring its R&D team and senior leadership including CEO Varun Mohan and co-founder Douglas Chen. It was a smart move. Google didn’t take on Windsurf’s product, brand or customers, but simply absorbed the team behind it.
The drama further unfolded on Monday when Cognition AI, famous for its autonomous coding agent Devin, stunned the world by announcing the acquisition of all remaining assets of Windsurf. This included full ownership of the Windsurf IDE, its proprietary IP, approximately $82 million in ARR, more than 350 enterprise clients and the 250-person, highly skilled team that was left behind after DeepMind hired the senior leadership. While Google was on the defensive, Cognition was on the offensive. It viewed the deal from a product strategy perspective, aiming to integrate Windsurf’s infrastructure into a comprehensive developer experience alongside Devin.
OpenAI’s Missed Moment and Microsoft’s Shadow
OpenAI’s failure to secure the Windsurf deal has sparked outrage, and the industry is abuzz with discussions about its relationship with Microsoft. While Microsoft’s initial $10 billion investment in OpenAI was essential for its growth and commercial expansion (mainly through Azure and enterprise integrations), the partnership has now begun to hinder its growth. Microsoft’s stance on IP and ecosystem control seemed to outweigh OpenAI’s broad vision for the future.
This deal has raised important questions. Can OpenAI compete freely if it’s most strategic decisions are being vetoed by an investor? With rivals such as Google, Amazon and others aggressively expanding their developer-facing stacks, OpenAI may need to reconsider how much strategic independence it truly has from Microsoft and how that can be nullified at such critical junctures.
Google Gained the Talent, But Not a Platform
Google’s reverse-acquihire strategy was an unconventional and defensive move. But it appears to be carefully planned. By hiring Windsurf’s leadership and top engineers and securing a license to its core IP, DeepMind has effectively eliminated Windsurf as a future competitive threat while strengthening its own Gemini Code Assist and AlphaCode projects. The value of top-tier AI engineering talent cannot be overstated, especially as the generative AI infrastructure domain struggles with a talent shortage.
Still, Google faces a unique challenge: how to turn the acquired Windsurf talent into a cohesive product offering. It did not develop the IDE or the customer base, so it must rebuild those components from scratch. What if DeepMind fails to produce a compelling product soon? That could mean Google’s $2.4 billion investment – a costly insurance policy might be wasted.
Cognition’s Power Move: Full-Stack Developer AI
In stark contrast to the piecemeal approaches of OpenAI and Google, Cognition AI operated with greater clarity. By acquiring all the remaining assets of Windsurf, it now owns both the agent (Devin) and the workspace (Windsurf IDE). This enables Cognition to develop a unified platform supporting both autonomous and collaborative coding workflows. It also establishes Cognition as the first serious contender to provide an AI-native development experience that is not just reactive but also generative, combining real-time IDE capabilities with agent-driven automation. With Windsurf’s commercial contracts, revenue and developer loyalty now part of its portfolio, Cognition has a strong foundation to expand from.
