This Week in Tech (Week Ending Dec 5, 2025)

TL;DR - 🤖 A lot of AI news, like more than usual

Hey folks!

Happy Friday and Happy December! Tech news below!

TL;DR -

• M&A activity from both OpenAI (Neptune, a startup that makes tools for monitoring and analyzing progress during AI model training) and Anthropic (Bun, a startup that makes JS code run faster).

• Kalshi raised $1 billion in a fundraising round, and struck a partnership with CNN to put its d…