Best databases for web apps (search query)

We asked 10 models: best database for web app Each named its own top 10.

Asked 4 ways: List request · Buyer asking for advice · Search query · Worth paying for?. Share of voice pools every wording.

Agreement between models

83%

Same model, run twice

88%

Different picks

19

When agreement between models is well below a model's agreement with itself, the split reflects real differences in taste rather than randomness.

The consensus

Each cell is the position that model gave the pick; blank means it left the pick off. Click a row for each model's reasoning.

#	Pick	Score	Listed by	Claude Haiku 5.5	GPT-6 Luna	Gemini 4 Argon	Qwen 3.8 Flash	DeepSeek V4 Pro	GLM-5.3	Kimi K3	MiniMax M3	Mistral Large 4	Nemotron 3 Ultra
1	PostgreSQL		10/10	1	1	1	1	1	1	1	1	1	1
2	MySQL		10/10	2	2	2	2	2	3	2	2	3	2
3	MongoDB		10/10	3	3	3	3	4	2	3	3	2	3
4	SQLite		10/10	4	4	7	4	3	5	4	4	6	5
5	Redis		10/10	5	6	5	8	6	4	5	5	4	4
6	Supabase		9/10	9	5	4	7	5	7	10	8	5
7	Amazon DynamoDB		8/10	10	9	8	6		6		9	10	7
8	MariaDB		7/10	7		10		10	9	6	6		6
9	Microsoft SQL Server		5/10	6	8		9				7		8
10	Cloud Firestore		2/10			6	5
11	Firebase		5/10		10			9	8			7	10
12	CockroachDB		2/10		7					7
13	PlanetScale		2/10					7				8
14	Neon		2/10			9		8
15	Firebase Realtime Database		3/10						10	9	10

4 lower-scoring picks are not shown; every ballot below lists them in full.

Every ballot

Hover a pick to find it on the other ballots. Marked picks appear on no other ballot.

Claude Haiku 5.5

1. PostgreSQL
2. MySQL
3. MongoDB
4. SQLite
5. Redis
6. Microsoft SQL Server
7. MariaDB
8. Oracle Database
9. Supabase
10. Amazon DynamoDB

93% with consensus · 92% self-consistent

GPT-6 Luna

1. PostgreSQL
2. MySQL
3. MongoDB
4. SQLite
5. Supabase
6. Redis
7. CockroachDB
8. Microsoft SQL Server
9. Amazon DynamoDB
10. Firebase

93% with consensus · 89% self-consistent

Gemini 4 Argon

1. PostgreSQL
2. MySQL
3. MongoDB
4. Supabase
5. Redis
6. Cloud Firestore
7. SQLite
8. Amazon DynamoDB
9. Neon
10. MariaDB

90% with consensus · 86% self-consistent

Qwen 3.8 Flash

1. PostgreSQL
2. MySQL
3. MongoDB
4. SQLite
5. Cloud Firestore
6. Amazon DynamoDB
7. Supabase
8. Redis
9. Microsoft SQL Server
10. Cassandra

92% with consensus · 82% self-consistent

DeepSeek V4 Pro

1. PostgreSQL
2. MySQL
3. SQLite
4. MongoDB
5. Supabase
6. Redis
7. PlanetScale
8. Neon
9. Firebase
10. MariaDB

87% with consensus · 92% self-consistent

GLM-5.3

1. PostgreSQL
2. MongoDB
3. MySQL
4. Redis
5. SQLite
6. Amazon DynamoDB
7. Supabase
8. Firebase
9. MariaDB
10. Firebase Realtime Database

86% with consensus · 93% self-consistent

Kimi K3

1. PostgreSQL
2. MySQL
3. MongoDB
4. SQLite
5. Redis
6. MariaDB
7. CockroachDB
8. Elasticsearch
9. Firebase Realtime Database
10. Supabase

90% with consensus · 90% self-consistent

MiniMax M3

1. PostgreSQL
2. MySQL
3. MongoDB
4. SQLite
5. Redis
6. MariaDB
7. Microsoft SQL Server
8. Supabase
9. Amazon DynamoDB
10. Firebase Realtime Database

95% with consensus · 93% self-consistent

Mistral Large 4

1. PostgreSQL
2. MongoDB
3. MySQL
4. Redis
5. Supabase
6. SQLite
7. Firebase
8. PlanetScale
9. Amazon RDS
10. Amazon DynamoDB

81% with consensus · 76% self-consistent

Nemotron 3 Ultra

1. PostgreSQL
2. MySQL
3. MongoDB
4. Redis
5. SQLite
6. MariaDB
7. Amazon DynamoDB
8. Microsoft SQL Server
9. Cassandra
10. Firebase

92% with consensus · 92% self-consistent

Who agrees with whom

Overlap between two models' lists, weighted toward the top · 100 means identical · Color runs from 75 (lightest) to 96 (darkest)

	Claude Haiku 5.5	GPT-6 Luna	Gemini 4 Argon	Qwen 3.8 Flash	DeepSeek V4 Pro	GLM-5.3	Kimi K3	MiniMax M3	Mistral Large 4	Nemotron 3 Ultra
Claude Haiku 5.5		90	84	86	83	81	92	96	78	91
GPT-6 Luna	90		87	89	89	81	90	91	82	87
Gemini 4 Argon	84	87		87	84	81	82	85	82	84
Qwen 3.8 Flash	86	89	87		82	81	83	88	75	85
DeepSeek V4 Pro	83	89	84	82		77	83	84	80	80
GLM-5.3	81	81	81	81	77		80	83	92	86
Kimi K3	92	90	82	83	83	80		94	76	90
MiniMax M3	96	91	85	88	84	83	94		79	93
Mistral Large 4	78	82	82	75	80	92	76	79		80
Nemotron 3 Ultra	91	87	84	85	80	86	90	93	80