Meta's Muse appears to use an OpenAI model labeled muse-special

I found a model labeled azure/muse-special while Muse was building my website. So I dug deeper.

This is Part 2 of digging through the Muse filesystem after my article hit the front page of Hacker News this week.

In this article I focus on a model I found in my logs called muse-special , and confront the question: does Muse actually use OpenAI and Claude models behind the scenes?

Muse records which model each agent session uses.

Nearly every session log in my VM was routed to Meta’s internal model, called Avocado.

But one subagent used a model named azure/muse-special .

Figure 1. Sessions in my VM grouped by model. Everything is Avocado except a single azure/muse-special session on September 21. Click image to enlarge. Following the name This made me curious, so I searched across the repo inside Cursor and found this: