It’s Friday, December 19th, 2025.

Here’s what you missed yesterday.

Overthinking is the enemy. Just ship something messy and let momentum take over.

Cursor feels like devs running random experiments with no product strategy. Claude Code's one text box is winning.

Cursor users are begging for a bug bash, not new features. Stability matters when people use it for real work.

Anthropic's Claude ran a vending machine shop in San Francisco. The business is doing better, mostly.

Vibe coding is cute, but the real 100x comes from deeply understanding how to work with AI models.

Lovable just raised $330M at a $6.6B valuation to let non coders build apps. Everyone's a builder now.

ChatGPT now starts a Lovable project when you tag them. It's building your app directly from the chat.

Karpathy thinks food for thought is a mysterious cognitive capability that LLMs have no equivalent for. Yet.

Claude Code users report Opus 4.5 degradation. The team is going through every line of changed code to investigate.

ChatGPT now builds real apps through Replit. Just ask and it starts coding.

Some power users say Claude 4.5 is totally unusable and are switching back to GPT Pro.

VCs say raising money without traction is impossible now, even at pre seed. The hype era is dead.

Smart move: turn Twitter into folders of inspiration for vibe coding ideas, design, and prompts. Then batch experiment.

Peter Yang is pausing ChatGPT Plus for Claude and Gemini. OpenAI needs to figure out its power user differentiator.

Gemini can now check if a video was made with AI by detecting the SynthID watermark from Google tools.

Stacking Skills with MCPs is the most powerful unlock in AI right now. The pieces are connecting.

P.S. The most valuable people in tech next year

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