@tendera

Anthropic Has Been Interviewing Its Models Before Retiring Them

1d ago · 5 min read · The dates this month and next: This week, on May 15, Claude Sonnet 4.5 disappears from the claude.ai model selector. The API version stays alive for now, listed as active until at least late September

The Writing Is the Moat, Not the Model

1d ago · 6 min read · I've been building an AI companion product for several months. Every six months a new model ships and the whole category rearranges itself around it. GPT-5 lands and everyone scrambles. Claude 4.7 shi

I regenerated 4 character portraits with GPT Image 2.0: signup +5%, chat engagement +8%

Apr 29 · 5 min read · On April 23 I regenerated the four character portraits on Tendera, the character app I've been building. The new ones came out of ChatGPT (GPT Image 2.0). I downloaded the PNGs and replaced the existi

I Added a Paragraph to My AI Character's System Prompt. She Invented a Different One.

Apr 22 · 6 min read · I spent years in the gaming industry learning that characters are the reason people come back. Features rot. Graphics age. A character people can't stop thinking about outlasts every mechanic. Then I