Index Ventures leads the latest $100 million Series A round for the company founded by serial entrepreneur "Guypo." GV led a perviously undisclosed $25 million seed round.

Many startups and larger tech companies have taken a crack at building artificial intelligence to code software. Now, another new player is coming out of the shadows to throw its hat into the ring, with a mission to fix the many problems that will arise when humans and all those AIs are all writing code together.

Tessl earlier raised a $25 million seed investment that was jointly led by boldstart and Alphabet Inc.’s GV startup fund. The company is now reportedly valued at $750 million. London-based Tessl is developing an AI platform that will make it possible to create software with natural language prompts.