01What it sells and who buys it
Cognition provides Devin, an agent that executes software-development tasks. Engineering teams use it to delegate code changes, testing and recurring development work.
02How the business makes money
Paid usage is tied to agent work and organizational adoption. Delegating more development tasks increases compute consumption and commercial scope.
03Marketing and customer acquisition
Cognition followed demonstrations with enterprise deployments and Windsurf’s acquired product and customer base.
- 01
Propose delegating an entire development task
SourceDevin was introduced as an agent for edits, execution and tests beyond autocomplete. Buyers still needed to evaluate useful work on their own codebase.
- 02
How distribution and adoption expanded
SourceThe 2024 launch used a working demonstration, a waitlist and direct inquiries. Deployment in real engineering tasks expanded the customer base. Acquiring Windsurf added an editor and distribution, while customer examples across industries show prospects comparable uses.
- 03
Financing the next stage
SourceIn September 2026, Cognition announced more than $2 billion in Series E funding led by a16z and Accel at a $48 billion valuation. It reported run-rate revenue increasing from $492 million to almost $900 million since the preceding round.
How the growth mechanism works
- See the agent in action
- Assign real development work
- Expand team deployment
- Combine the editor’s customer base
Demonstrations, enterprise deployments and acquisitions are different growth mechanisms. Distinguishing them prevents combined revenue growth from being mistaken for organic adoption of one product.
04Funding and expansion
In September 2026, Cognition announced more than $2 billion in Series E funding led by a16z and Accel at a $48 billion valuation. It reported run-rate revenue increasing from $492 million to almost $900 million since the preceding round.
More about the founding and key events
Founded in 2023, Cognition introduced Devin in 2024. It sells to development teams, focusing on completing multi-step software work. Customers evaluate whether the agent can finish an assigned task.
Its March 2024 launch paired demonstrations with a waiting list and a direct contact route. Showing completed work attracted people interested in applying it to real development. Acquiring Windsurf later added an existing product and enterprise customers. Demonstrations, enterprise implementation and acquisition contributed at different stages.
Cognition acquired Windsurf in 2025. In September 2026, it announced roughly $900 million in annualized revenue and a $48 billion valuation. Its growth included both internal product development and an acquisition.
Cofounder Steven Hao was estimated to be worth $5.8 billion at age 30 in September 2026, based on the value of his stake in the private company.