When Mintlify fits
Developer docs next to the repo: MDX, API references, AI search. Strong default for engineering-owned docs.
01 / Selection quiz
Feature checks and pricing bands are example estimates — not official.
Answer four quick questions.
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02 / Heuristic fit scores
Mintlify—
GitBook—
ReadMe—
Docs7—
03 / Feature table
When GitBook fits
Mixed product + ops knowledge bases with a hosted editor and optional Git sync.
When ReadMe fits
API-first developer hubs: OpenAPI, try-it consoles, keys, and changelogs.
When Docs7-style fits
When you want AI / autopilot drafting as the headline workflow — verify features before buying.