
AI Research Startup Cognition Acquires Windsurf Team and IP
In an effort aimed at both reconciliation and resurgence, Cognition, the AI research startup behind the groundbreaking AI software engineer Devin, has acquired the remaining team and intellectual property of Windsurf, a one-time promising generative AI firm.
The deal, announced on Monday, is a coda to a long, strange tale of divorces and recouplings and generalized competitive fisticuffs—and now, twists!
Windsurf’s Origins and Rise
Windsurf, one of the more interesting upstarts in generative AI, was founded by a team of ex-Anthropic and OpenAI researchers in 2023. For much of its early life, it operated in stealth, but in 2024 it was revealed by insiders to have made significant breakthroughs in:
- Code generation
- Natural language reasoning
- Long-term memory
—all necessary for next-generation AI agents.
Despite its technical promise, Windsurf suffered from a lack of cohesive leadership. The early exuberance was followed by attrition, as several founding engineers and researchers left the company.
Some of those departures—like that of co-founder and former Anthropic head of engineering Alex Raymond—sparked intense speculation. Raymond left amid strategic disagreements with Anthropic, ultimately becoming embroiled in NDAs and public-silence agreements.
Windsurf’s fate was sealed earlier this year amid reports that it failed to secure critical follow-on funding. By mid-2025, the company was effectively dismembered, its talent dispersed to rivals or entrepreneurial ventures—until today.
Cognition Steps In
Cognition, whose AI agent Devin is touted as the world’s first “fully autonomous AI software engineer,” has finalized the purchase of:
- Windsurf’s remaining engineering team
- Its foundational technology stack
This includes Windsurf’s:
- Proprietary inference engine for multi-step reasoning
- Modular memory architecture
- Partially built-out multi-agent collaboration system
—all aligned with Cognition’s mission to expand Devin.
“We have been a fan of Windsurf’s work for a long time, from a distance,”
said Cognition CEO Scott Wu.
“Their emphasis on long-context reasoning and architectural flexibility are aligned with what we are developing with Devin. But even more importantly, the people are amazing, enthusiastic, and eager to be innovative.”
While terms of the deal were not disclosed, sources say it was a lowercase “acqui-hire”, with equity packages offered to retain key technologists.
‘We’re Friends with Anthropic Again’
Perhaps the most intriguing aspect of the deal is what it signals about changing alliances in the AI industry.
“We’re friends with Anthropic again,”
joked Cognition head of product Sam Li during a media Q&A.
The half-joking, half-political remark referenced the long-simmering rift between some Windsurf founders and their ex-colleagues at Anthropic. Insiders described the relationship as “frosty” due to past competitive tensions and IP disputes.
Now that Windsurf is part of Cognition—and key players like Alex Raymond have stepped into quieter, research-focused roles—the atmosphere has improved.
Sources confirm that representatives from Cognition and Anthropic have resumed direct communication, a noteworthy change in an industry marked by rivalry.
“It’s not a truce, and it’s definitely not a merger,”
said a person briefed on the discussions.
“But it’s a reset of tone. Everybody knows the actual competition is not each other—it’s building aligned, safe, and useful AGI.”
Windsurf Tech Meets Devin
For Cognition, this acquisition goes beyond PR—it represents a technical leap.
Devin already:
- Writes production-ready code
- Debugs software
- Deploys full applications
However, its creators have acknowledged its limitations in:
- Long-context understanding
- Durable memory
Both areas are where Windsurf excelled.
Key Enhancements from Windsurf:
- Modular memory system Could allow Devin to “remember” coding patterns and project histories over time.
- Cooperative distributed agents May help Devin evolve from a lone coder into a collaborative AI engineering team.
“We’re moving from AI engineer to AI engineering team,”
said Cognition CTO Lisa Franklin.
“Windsurf’s research takes us there faster.”
Industry Reaction
The AI research community has responded with cautious optimism.
“Devin has already set the bar for what’s possible,”
tweeted Andrej Karpathy, former Tesla AI lead.
“Given the tech and talent at Windsurf’s disposal, Cognition might even build an AI pair programmer that you never want to switch off.”
While OpenAI and Google DeepMind have not commented, it’s notable that several former Windsurf researchers now work at those firms.
Analysts believe this move will intensify competition in agentic AI, where:
- Autonomy
- Reasoning
- Memory
are emerging as the primary differentiators.
What’s Next for Cognition?
Cognition’s roadmap is bold. After launching Devin in beta earlier in 2025 and expanding access to enterprise users, the company is preparing for:
- A major update—possibly named “Devin 2.0”
- Partnerships with Fortune 500 companies to integrate Devin into:
- CI/CD pipelines
- Cloud development environments
These moves aim to shift Cognition from a startup novelty to a mission-critical enterprise tool.
“Devin is still coming along,”
said Franklin.
“Our role isn’t to replace engineers—it’s to give them an intelligent, context-aware assistant that reasons deeply and collaborates intelligently. With the Windsurf team, we’re a giant step closer.”
The Bigger Picture
Beyond the tech implications, the Windsurf-Cognition acquisition reflects a maturing AI ecosystem:
- Old rivalries are fading
- Talent is flowing across company boundaries
- Collaboration is increasingly prioritized over competition
This moment underscores that building powerful, aligned AGI will take more than just compute and proprietary models. It will require:
- Collaboration
- Humility
- Reconciliation
“We were all approaching the same problem from different angles. Now we’re on the same team. And frankly, it feels like coming home,”
said one former Windsurf engineer.
In the fast-evolving world of artificial intelligence, these reunions may prove just as essential as the technology itself.



