MySQLvsPostgreSQL
How 10 AI models weigh MySQL against PostgreSQL on the 1 buying question where both came up.
- MySQL
- 74%of answers named it
- PostgreSQL
- 77%of answers named it
- Placed higher
- 0–32times MySQL vs PostgreSQL, over 32 model rankings that listed either
- Models leaning
- 0–10toward MySQL vs PostgreSQL
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 | Placed higher | Leans |
|---|---|---|---|---|
| Claude Haiku 5.5 | 75% | 75% | 0–3 | PostgreSQL |
| GPT-6 Luna | 75% | 75% | 0–3 | PostgreSQL |
| Gemini 4 Argon | 75% | 75% | 0–3 | PostgreSQL |
| Qwen 3.8 Flash | 67% | 75% | 0–3 | PostgreSQL |
| DeepSeek V4 Pro | 67% | 75% | 0–3 | PostgreSQL |
| GLM-5.3 | 75% | 75% | 0–3 | PostgreSQL |
| Kimi K3 | 75% | 83% | 0–4 | PostgreSQL |
| MiniMax M3 | 75% | 83% | 0–4 | PostgreSQL |
| Mistral Large 4 | 75% | 75% | 0–3 | PostgreSQL |
| Nemotron 3 Ultra | 80% | 80% | 0–3 | PostgreSQL |
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
One reason per model, from the shared questions
- Claude Haiku 5.5
Robust, standards-compliant, feature-rich relational database with excellent ecosystem and extensibility.
- GPT-6 Luna
Best default for most web apps: reliable, feature-rich, and supported almost everywhere.
- Gemini 4 Argon
Unmatched versatility, reliability, and extension ecosystem make it the ultimate default choice.
- Qwen 3.8 Flash
Default choice: reliable, free, supports JSON, vector search, huge ecosystem.
- DeepSeek V4 Pro
Best all-around open-source RDBMS with unmatched reliability, extensibility, and community.
- GLM-5.3
Feature-rich, reliable relational standard; JSON support fits most web app needs.
- Kimi K3
Versatile open-source default with relational power, JSON support, and extensions.
- MiniMax M3
Robust, feature-rich, and the default choice for modern web apps.
- Mistral Large 4
Best open-source relational database: powerful, extensible, ACID-compliant, free.
- Nemotron 3 Ultra
Robust open-source SQL with advanced features
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 |
|---|---|---|
| Best databases for web apps | 74% #6 | 77% #2 |
| Best cloud data warehouses | · | 3% #16 |