A fact-by-fact comparison of PostgreSQL and Ubuntu — sourced and dated — plus the part no generic comparison shows: which one AI assistants actually recommend more, engine by engine.
Measured by Orbatormethodology owner Henrik Tellewindow ends Sep 6, 2026
Recommendation share = the % of sampled AI answers, over a 4-week rolling window, that recommend each product. Higher is better.
CLAUDE
PostgreSQL
2.6%
Ubuntu
0.2%
GEMINI
PostgreSQL
3.9%
Ubuntu
0.4%
GROK
PostgreSQL
7.2%
Ubuntu
0.7%
CHATGPT
PostgreSQL
2.8%
Ubuntu
0%
PERPLEXITY
PostgreSQL
1.8%
Ubuntu
0.1%
Features
Integrations
Does AI recommend PostgreSQL or Ubuntu more?
PostgreSQL is recommended more often: it appears in 3.2% of sampled AI answers versus 0.2% for Ubuntu, measured across the live AI engines over a rolling 4-week window.
Which AI engines were used to compare PostgreSQL and Ubuntu?
Recommendation share is measured on CLAUDE, GEMINI, GROK, CHATGPT, PERPLEXITY using neutral, buyer-shaped prompts (no product names), aggregated over a 4-week rolling window. See the methodology for prompt design and sample sizes.
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Recommendation share and entity resolution follow the Index methodology. Facts are sourced from each vendor's own pages and re-verified periodically. Customer status does not affect measurement. Free to use with attribution to orbator.io.
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