December 2025 sponsors-only newsletter

I sent the December edition of my sponsors-only monthly newsletter. If you are a sponsor (or if you start a sponsorship now) you can access a copy here. In the newsletter this month:

• An in-depth review of LLMs in 2025
• My coding agent projects in December
• New models for December 2025
• Skills are an open standard now
• Claude’s “Soul Document”
• Tools I’m using at the moment

Here’s a copy of the November newsletter as a preview of what you’ll get. Pay $10/month to stay a month ahead of the free copy!

Tags: newsletter