LLaDA 2.2 can delete, insert, and substitute tokens mid-generation
omarsar0 · x · 2026-07-26
The post explains LLaDA 2.2’s Levenshtein editing loop in more detail.
- The model performs four primitive operations on its own output: KEEP, SUBSTITUTE, DELETE, and INSERT.
- Those operations are trained with longest-common-subsequence alignment.
- The purpose is to allow mid-generation recovery, so a broken span can be deleted or a missing one inserted before the error becomes permanent.
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