Every provider's comparison table says "supports function calling." That's a checkbox on a spectrum. The interesting question is what your agent does on the turn the model answers in the wrong channel — and why it's your cheapest tier that gets there first.
An LLM-maintained wiki beats retrieval for knowledge that compounds. But a memory written by an agent is only as trustworthy as what it records about itself — and that is exactly the gap the Open Knowledge Format was built to close.
Fully autonomous coding pipelines are real and shipping. What decides whether yours produces software or defects isn't the model — it's whether your documents say what success looks like, precisely enough to be checked without you.