Hey! I am the cofounder for codestory.ai In terms of differentiation,while buildt and sourcegraph are geared towards making the code search experience the best in class, for us the search is a part of the overall experience which the developer and AI agent needs to do at the same time.

Our idea is to really rethink the editor and make it a place where both humans and AI come together to develop software together, all the tools out there today focus on AI assisting humans, we consider the humans and AI to be on the same level.

Hopefully this answers your question, happy to expand further.