Perky little fella from MiMo-V2.5

This post by Simon Willison references a "perky little fella" related to MiMo-V2.5, likely describing a small or compact AI model or component from the MiMo framework/project version 2.5. Without access to the specific tweet content, the exact technical details or capabilities being highlighted are unclear, but this appears to be informal commentary on a model release or update.

Source: Simon Willison (X) | 2026-04-27