Mozilla AI runs a local 30B model end-to-end to open a real bugfix PR, fully offline

mozilla-ai · reddit · 2026-09-21

Mozilla AI tested how far local models have come for agentic coding: Muse Glimmer (30B) packaged as a single llamafile, driving the Hermes coding agent over local server mode with zero API keys. The agent read a real bug report in the Otari gateway (#183 — vague 502s on image requests), navigated the repo, isolated the bug, branched, ran existing tests, wrote a regression test and opened draft PR #727 — all offline with no hand-written code. Still draft-grade rather than mergeable, but a solid signal that 30B local models are becoming genuinely capable for real dev workflows.

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