Zurich's Klarent raises €7.13 million to take AI software testing to the US
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Zurich start-up Klarent raised about €7.13 million in a seed round led by Mosaic Ventures, announced October 9, 2026, to expand AI software testing to the US.
What Happened
Klarent, a Zurich-based start-up that automates software testing with AI, announced on Friday, October 9, 2026, that it has raised a seed round of about €7.13 million, roughly $8 million. The round was led by London's Mosaic Ventures, with Moonfire Ventures and angel investors also taking part. The company, previously known as fore ai and founded by former Google engineers, said it will use most of the money to expand into the United States, hiring sales staff in the US and the UK, growing its engineering team and extending its testing to more web and mobile platforms. Its named customers include JD Sports, the Swiss newspaper NZZ and car rental company Sixt.
Key Facts
- Klarent raised about €7.13 million (around $8 million) in a seed round announced on October 9, 2026.
- Mosaic Ventures led the round; Moonfire Ventures and angel investors joined.
- The company is based in Zurich and was formerly called fore ai.
- Funds will go mainly to US expansion, sales hiring in the US and UK, engineering, and broader web and mobile testing.
- Klarent uses large language models to write test code that then runs in a fixed, repeatable way, rather than calling an AI model each time a test runs.
- Customers named in coverage include JD Sports, NZZ and Sixt.
Why It Matters
Testing is one of the least glamorous but most important parts of building software. Every change to an app or website can break something else, and companies spend engineering time writing and maintaining tests to catch those problems before customers do. Investors are now backing tools that use AI to take on more of that work.
Klarent's approach addresses a common worry about AI in this role. If an AI model is asked to judge whether software works every time a test runs, results can vary from one run to the next, which makes them hard to trust. By using AI to write the test code once, and then running that code in the same way every time, the company aims to combine the speed of AI with the predictability engineers need. Whether that balance holds up across large, complex products is what enterprise customers will test.
The round also reflects how European AI start-ups are planning their growth. Rather than building slowly at home, Klarent is using its first sizeable funding to enter the US market. For engineers and founders elsewhere, including those in India's software testing and quality assurance sector, the trend is worth watching: AI tools that write and maintain tests could change what testing jobs look like, shifting work from writing routine checks to designing and supervising automated ones.
| Klarent seed round | Detail |
|---|---|
| Amount | About €7.13 million (about $8 million) |
| Announced | October 9, 2026 |
| Lead investor | Mosaic Ventures |
| Other investors | Moonfire Ventures, angel investors |
| Main use of funds | US expansion, sales and engineering hiring |
Impact
Short-term: Klarent will hire sales staff in the US and UK and expand its engineering team as it tries to win American enterprise customers.
Long-term: If AI-written, repeatable tests prove reliable at scale, they could reduce the manual effort companies spend on software quality and change the skills testing teams need.
Who is affected: Software companies and enterprise IT teams, quality assurance and testing professionals, and investors backing AI developer tools.
Key Takeaway
Zurich's Klarent raised about €7.13 million, led by Mosaic Ventures, to take its AI-written but repeatable software testing to the US market.
Questions and Answers
How much did Klarent raise and who led the round?
Klarent raised about €7.13 million, around $8 million, in a seed round announced on October 9, 2026. Mosaic Ventures led it, with Moonfire Ventures and angel investors participating.
What does Klarent do?
It automates software testing. It uses large language models to write test code, which then runs the same way each time instead of relying on an AI model during every test run.
What will the money be used for?
Mainly to expand into the United States, hire sales staff in the US and UK, grow engineering, and support testing on more web and mobile platforms.
Which companies use Klarent?
Coverage of the round names JD Sports, the Swiss newspaper NZZ and Sixt among its customers.
Disclaimer: Prepared by the Peepals newsroom from publicly available sources with AI assistance. Information is accurate to the best of our knowledge at the time of publication and may change. Images may be representative. Not professional advice. Report an error via our contact page.
Sourced and fact-checked by the Peepals Global Editorial Team
Reported, fact-checked and published by the Peepals Global Editorial Team.
