Blockit, an AI agent that communicates directly with other calendars, has raised $5 million in seed funding led by Sequoia.

The five-year-old-startup powers OpenAI’s ChatGPT voice mode and raised a $100 million round led by Index Ventures.

The seed round values the newly formed startup at $800 million.

SGLang, which originated as an open source research project at Ion Stoica’s UC Berkeley lab, has raised capital from Accel.

The $400 million round was led by Dragoneer.

The massive round was led by existing investor General Catalyst, with participation from other returning backers.