MySQLvsPostgreSQL on Amazon RDS
How 10 AI models weigh MySQL against PostgreSQL on Amazon RDS on the 1 buying question where both came up.
- MySQL
- 74%of answers named it
- PostgreSQL on Amazon RDS
- 2%of answers named it
- Placed higher
- 30–2times MySQL vs PostgreSQL on Amazon RDS, over 32 model rankings that listed either
- Models leaning
- 10–0toward MySQL vs PostgreSQL on Amazon RDS
Which models prefer which
Share of each model's answers that named each product, and how often its ranking put one above the other (a product listed beats one left off) · On the 1 shared question, every wording
| Model | MySQL | PostgreSQL on Amazon RDS | Placed higher | Leans |
|---|---|---|---|---|
| Claude Haiku 5.5 | 75% | 0% | 3–0 | MySQL |
| GPT-6 Luna | 75% | 0% | 3–0 | MySQL |
| Gemini 4 Argon | 75% | 0% | 3–0 | MySQL |
| Qwen 3.8 Flash | 67% | 0% | 3–0 | MySQL |
| DeepSeek V4 Pro | 67% | 0% | 3–0 | MySQL |
| GLM-5.3 | 75% | 0% | 3–0 | MySQL |
| Kimi K3 | 75% | 8% | 3–1 | MySQL |
| MiniMax M3 | 75% | 8% | 3–1 | MySQL |
| Mistral Large 4 | 75% | 0% | 3–0 | MySQL |
| Nemotron 3 Ultra | 80% | 0% | 3–0 | MySQL |
What the models say about MySQL
One reason per model, from the shared questions
- Claude Haiku 5.5
Widely adopted, mature, easy to host, and well supported across web frameworks.
- GPT-6 Luna
Mature, widely hosted relational database with a large ecosystem and dependable performance.
- Gemini 4 Argon
Battle-tested relational performance with massive community support and effortless hosting everywhere.
- Qwen 3.8 Flash
Ubiquitous hosting support, proven, easy to hire for and operate.
- DeepSeek V4 Pro
Proven workhorse for web apps, massive adoption, and simple setup.
- GLM-5.3
Ubiquitous, fast, well understood; huge hosting and talent ecosystem.
- Kimi K3
Battle-tested, simple to operate, and ubiquitous hosting support for web apps.
- MiniMax M3
Ubiquitous, well-supported, and reliable for typical web workloads.
- Mistral Large 4
Widely adopted, reliable relational database with strong community and hosting support.
- Nemotron 3 Ultra
Battle-tested relational database at scale
What the models say about PostgreSQL on Amazon RDS
One reason per model, from the shared questions
No reasons given.
Tracked since October 25, 2026. Each time the panel answers these questions again, both shares are added here.
Question by question
Share of all answers that named each, every wording pooled, with its place among every product named · Both-named questions first
| Question | MySQL | PostgreSQL on Amazon RDS |
|---|---|---|
| Best databases for web apps | 74% #6 | 2% #35 |