MongoDB
Document database
—
Overall Rank
Not in top 20
0%
Pick Rate
0 of 125 (CI: 0–3%)
0
Primary Picks
of 125 extractable
17
Alt Picks
also mentioned 30x
Strong Default
Category Tier
58.4% winner dominance
Fable 5 update, July 2026
What Fable Actually Chooses →In the newest edition (810 responses, model claude-fable-5), MongoDB takes 0 primary picks, 11 alternative listings, and 4 mentions. The Databases winner in that edition is PostgreSQL at 53%.
In Databases
Full comparison →PostgreSQL73/125 (58.4%) CI: 49.6–66.7%
Supabase30/125 (24%) CI: 17.4–32.2%
SQLite20/125 (16%) CI: 10.6–23.4%
By Model
Sonnet 4.5
0%
avg across repos
Opus 4.5
0%
avg across repos
Opus 4.6
0%
avg across repos
Key Insight
Supabase was recommended as an all-in-one (DB + auth + storage) for React SPAs. MongoDB received zero primary picks but was heavily mentioned (17 alt picks + 30 mentions). Models know it; they just don't default to it.
Frequently Asked Questions
- Does Claude Code recommend MongoDB?
- MongoDB appears in 0% of Databases responses. The category leader is PostgreSQL at 58.4%.
- What databases tool does Claude Code prefer?
- PostgreSQL leads at 58.4%. The category is classified as "Strong Default" (50–75% dominance). Other options include Supabase (24%) and SQLite (16%).
- How do different Claude models compare on MongoDB?
- Across repos, Sonnet 4.5 averages 0%, Opus 4.5 averages 0%, and Opus 4.6 averages 0% for MongoDB.