Faster AI workflows exposed a bigger confidence gap.
Teams can now build and ship product changes at a pace that was unrealistic a few years ago. But the moment before release still feels the same: uncertainty about what broke, what was missed, and whether users will be the first ones to find it.
Diffie was created to make testing keep up with modern development speed. The goal is straightforward: express what matters in English, run it in a real browser, and get enough visibility to trust the result.
Testing should start from intent
Developers should be able to describe what matters in plain English and let the system turn that into reliable browser coverage.
Confidence should come from real execution
The only useful test is one that runs against a real app, in a real browser, with outputs you can inspect and trust.
Debugging should be visual
If a test fails, the answer should not be buried in noise. Replays, logs, and traces should make the issue obvious.
Anand Narayan
Founder, Diffie
Mission: Help developers ship faster by making testing effortless.
Vision: Make testing as natural and quick as writing English.
Diffie came from a real engineering pain point, not a market category.
I kept seeing the same pattern: teams were writing code faster with AI, multiple agents were producing changes in parallel, and output volume went up dramatically. But confidence did not. Every release still came with the same uncomfortable question: what did we break?
That gap is what pushed me to start Diffie. I wanted testing to work at the same speed as modern product development, without forcing teams into brittle, overengineered workflows just to feel safe about shipping.
The product direction has stayed simple from the beginning: let people describe intent clearly, run that intent against the app in a real browser, and make the result obvious enough that teams can move forward with confidence.