There is a sequencing argument in editorial work that does not get made often enough: the order in which you bring different kinds of feedback to a manuscript changes what each of them can do.
Developmental editing is the most expensive and most cognitively demanding editorial service a writer can purchase. A skilled developmental editor reads your manuscript as a complete object — arc, character, structure, theme, voice — and produces feedback that can reshape the book fundamentally. That service is worth protecting from the problems that a less expensive, less skilled tool can handle.
When a developmental editor receives a manuscript with significant pattern-level issues — dialogue that sounds the same across all characters, repetitive sentence structures that have compounded across the draft, continuity errors distributed through three hundred pages — those issues occupy a portion of the engagement that could otherwise be spent on the deeper structural work. The editor finds and documents problems that did not require their level of expertise to identify.
Running AI analysis before your developmental editor addresses this directly. Pattern-level problems are documented and, ideally, resolved before the human editorial read begins. The editor inherits a cleaner manuscript. They spend their hours on what they are actually equipped to do: the judgment calls that require a human reader.
The practical result is that a manuscript arriving at a developmental editor after AI pre-analysis gets more useful feedback from that engagement. The editor is not writing margin notes about repeated words. They are engaging with the story.
This is not a minor efficiency gain. Developmental editing rates reflect the expertise of the editor, not the problems they happen to encounter. You pay the same rate whether your editor is flagging a word used forty times on a single page or making a structural insight that changes the architecture of your second act. The pre-analysis pass ensures their rate is being applied to the latter.
Tools like Draft Sentinel handle the former — fully, consistently, before your editor ever opens the file. That is the case for the sequence.