Nikita Bier has stepped down as head of product at X, Elon Musk’s social media platform, after a little more than a year in the role.

Update August 5, 12.10 am PT: Wispr Flow has officially launched its notetaker for Mac. The notetaker, similar to the one of Granola’s, uses system audio to transcribe a meeting without joining one. It also cleans up transcripts, creates action items, and lets users query across meeting history with the help of AI.Users can see…

As policymakers debate how to govern increasingly powerful AI systems like OpenAI’s GPT-5.6 Sol and Anthropic’s Mythos, a Chinese open-weight model has narrowed the gap with the industry’s leaders.  

Palantir CEO Alex Karp on Monday once again warned that AI frontier labs are too untrustworthy for enterprises.