On September 8, Cognition, an AI coding agent company, announced the completion of a Series E funding round exceeding $2 billion, bringing its valuation to $48 billion. This round was co-led by Andreessen Horowitz and Accel, with participation from several existing investors and institutions such as NVIDIA. The company also revealed that its revenue run rate has grown from $492 million in May of this year to nearly $900 million.
However, for the domain name industry, there is another noteworthy story behind this funding round:
Cognition has secured the domain Cognition.com.
From Cognition.ai to Cognition.com

In its early days, Cognition used Cognition-labs.com before adopting Cognition.ai.
In 2024, the company acquired Cognition.ai for approximately $110,000—a deal reported at the time as a six-figure transaction.
Today, Cognition.ai redirects to Cognition.com.
Cognition.com is a long-established .com domain, originally registered on March 3, 1995. It changed hands in 2026; the brokerage firm Lumis publicly confirmed facilitating the deal, though the price was not disclosed. Subsequent WHOIS data showed the registrar shifting to MarkMonitor, with the registrant listed as Cognition AI, Inc.
This progression is quite interesting:
Cognition-labs.com → Cognition.ai → Cognition.com
It moved from a startup-phase brand domain to an industry-specific domain suited for the AI era, and finally to a legacy .com domain that perfectly matches the company name.
**Different Domain Strategies for Company and Product**
Cognition did not simply abandon .ai.
The company's core product remains Devin, resulting in the following setup:
Cognition.com — Corporate brand
Devin.ai — Product brand
Meanwhile, Windsurf—acquired by Cognition—has also become part of its AI coding product portfolio. In 2025, Cognition announced the acquisition of Windsurf, including assets such as its products, IP, trademarks, and branding.
This effectively establishes a noteworthy domain strategy:
.com serves the corporate brand, while .ai serves the AI product brand.
**The Evolving Role of Domains Following a $48 Billion Valuation**
For early-stage AI startups, .ai domains offer a quick way to signal an "AI identity"—Cognition’s early use of Cognition.ai is a classic example of this.
However, as a company scales up, globalizes its brand, and enters the capital markets, a .com domain that perfectly matches the company name can become a strategic asset of a different order.

Cognition.com was registered in 1995, yet the company Cognition was not founded until 2024. This means a domain name predating the company by nearly three decades ultimately became the digital gateway for an AI firm now valued at $48 billion.
This perhaps epitomizes the long-term value of premium, legacy .com domains:
Companies may emerge later and brands may grow rapidly, but the supply of perfectly matched, premium .com domains remains finite.
Looking at Cognition’s domain journey, the choice of domain in the AI era may not simply be a matter of ".com vs. .ai."
It is more likely that:
.ai helps AI brands establish an identity, while .com helps mature brands build long-term digital assets.
As an AI company’s valuation climbs from $1 billion to $10 billion and eventually to $48 billion, its domain requirements may evolve accordingly.
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