Jul 29, 2026 · 1 min read
What a persona actually is
A persona is not a costume for a chatbot. It is a bundle of configuration that changes what the model can do well.
Jul 25, 2026 · 1 min read
Why we meter by tokens, not by message
Flat per-message pricing is simpler to explain and worse for almost everyone.
Jul 21, 2026 · 1 min read
Streaming without a queue
How replies appear token by token using nothing but Server-Sent Events and a PHP generator.