Microsoft SQL ServervsPostgreSQL
How 10 AI models weigh Microsoft SQL Server against PostgreSQL on the 1 buying question where both came up.
- Microsoft SQL Server
- 36%of answers named it
- PostgreSQL
- 77%of answers named it
- Placed higher
- 0–32times Microsoft SQL Server vs PostgreSQL, over 32 model rankings that listed either
- Models leaning
- 0–10toward Microsoft SQL Server 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 | Microsoft SQL Server | PostgreSQL | Placed higher | Leans |
|---|---|---|---|---|
| Claude Haiku 5.5 | 58% | 75% | 0–3 | PostgreSQL |
| GPT-6 Luna | 50% | 75% | 0–3 | PostgreSQL |
| Gemini 4 Argon | 17% | 75% | 0–3 | PostgreSQL |
| Qwen 3.8 Flash | 42% | 75% | 0–3 | PostgreSQL |
| DeepSeek V4 Pro | 17% | 75% | 0–3 | PostgreSQL |
| GLM-5.3 | 17% | 75% | 0–3 | PostgreSQL |
| Kimi K3 | 25% | 83% | 0–4 | PostgreSQL |
| MiniMax M3 | 42% | 83% | 0–4 | PostgreSQL |
| Mistral Large 4 | 50% | 75% | 0–3 | PostgreSQL |
| Nemotron 3 Ultra | 40% | 80% | 0–3 | PostgreSQL |
What the models say about Microsoft SQL Server
One reason per model, from the shared questions
- Claude Haiku 5.5
Enterprise-grade relational database with strong tooling, best within Microsoft stacks.
- GPT-6 Luna
Robust relational database with strong tooling, especially for Microsoft-centric applications.
- Qwen 3.8 Flash
Strong choice for .NET and enterprise-focused teams.
- MiniMax M3
Enterprise-grade RDBMS with strong tooling and .NET integration.
- Mistral Large 4
Enterprise-grade relational database with excellent tooling and .NET ecosystem support.
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 | Microsoft SQL Server | PostgreSQL |
|---|---|---|
| Best databases for web apps | 36% #11 | 77% #2 |
| Best cloud data warehouses | · | 3% #16 |