Today I’m proud to announce Confident AI’s oversubscribed $2.2m seed round with participation from Y Combinator, Flex Capital, Oliver Jung, Vermilion Cliffs Ventures, Liquid 2 Ventures, January Capital, and Rebel Fund. My cofounder Kritin and I couldn’t be more grateful for our investor’s trust in our open-source approach to LLM evaluation.
But this article isn’t about money, nor LLM evaluation. This article is all about my first experience fundraising as a first- time founder.
How It Started
As you may know, we’ve been building DeepEval for the past year and has since grown it to become one of the most adopted, if not already the most adopted, LLM evaluation framework in the world. DeepEval is used at enterprises such as BCG, Astrazenca, Stellantis, Mercedes Benz (what are LLMs doing in cars?), to name a few, and what started off as a bootstrapped open-source package became the thing that got us into YC.

However, building in this space is tough — there are really good open-source products out there that does similar things and even more well-funded incumbents are pivoting to take what we pioneered.
These well-funded incumbents, which I’m not going to name, are mainly series A — C companies that were traditionally focused on ML observability, experiment tracking, and have decided that LLMOps is the direction they wish to head into. It is not uncommon to find them running >50K USD of ads a month across Twitter, LinkedIn, and Google search, with a sales and marketing team of 10+ people in attempt drown smaller startups that might not have the capital to match their paid distribution.
Luckily our YC interviewer at the time Tom Blomfield (founder of Monzo) saw an opportunity with us and decided to take us in after seeing how we’re still alive and out growing everyone else despite being bootstrapped for the longest time ever.
And so this was the beginning of how we applied to YC with Confident, got accepted, and closed our seed round in 5 days.
The YC Strategy
The PR team told me to not reveal too much here (they did not) so I'm going to keep this part short.
It’s no secret that when you’re a first time founder outside of YC, the chances of you raising venture capital are slim. But when you’re in YC, you’ll be getting around 30+ inbound calls scheduled for demo day without breaking a sweat (i.e. if you’re a founder reading this, you should definitely apply, and in case you’re wondering, no the PR team also did not ask me to write this). Another reason why you want to leverage YC is because it saves you a lot of time taking low-intent investor calls that won’t come to fruition.
And so, by the beginning of March, for the week leading up to demo day (which was on March 12th), I already had 55 calls (to be exact) booked in.
The goal was simple: close the round ASAP, don’t bite off more than what you can chew, and get back to work immediately.
Confident AI: The DeepEval LLM Evaluation Platform
The leading platform to evaluate and test LLM applications on the cloud, native to DeepEval.







