Archai is a platform for Neural Network Search (NAS) with a goal to unify several recent advancements in research and making them accessible to non-experts so that anyone can leverage this research to generate efficient deep networks for their own applications. Archai hopes to accelerate NAS research by easily allowing to mix and match different techniques rapidly while still ensuring reproducibility, documented hyper-parameters and fair comparison across the spectrum of these techniques. Archai is extensible and modular to accommodate new algorithms easily (often with only a few new lines of code) offering clean and robust codebase.