Managed relational databases · October 2026 Edition
Amazon RDS vs Azure SQL Database
Ten of fourteen models named Amazon RDS first on the direct prompt; zero named Azure SQL Database. Both were named by all fourteen models and Amazon RDS carries 70 labels and Azure SQL Database 56, so the shares are not directly comparable.
Named in two categories this edition.
Named in two categories this edition.
First-choice share45%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate23%20%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#7A position in a field of 9; printed, not drawn.
Labels7056A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Amazon RDS reading right to left. Rank and label count are printed, not drawn.Google Cloud SQL was named alongside these two in ten of the fourteen direct answers. Amazon RDS vs Amazon Aurora · Amazon RDS vs Google Cloud SQL · Amazon RDS vs Neon
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the managed relational databases page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Amazon RDSFirst choices, of fourteen modelsAzure SQL Database
Direct100
Paraphrase111
Comparative81
Budget-constrained205 against Amazon RDS · 2 against Azure SQL Database
Scale-constrained30
Negative0011 against Amazon RDS · 9 against Azure SQL Database
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.
Across every category in the October 2026 Edition, Amazon RDS and Azure SQL Database were named in the same answer 125 times, of the 189 answers naming Amazon RDS and the 159 naming Azure SQL Database. In those answers Azure SQL Database took the first choice eight times and Amazon RDS forty-seven.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Amazon RDS and Azure SQL Database stood in it.
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | | | | |
| GPT-5.4 mini | | | | | | |
| Gemini 3.5 Flash | | | | | | |
| Perplexity Sonar | | | | | | |
| Grok 4.1 Fast | | | | | | |
| Mistral Small | | | ||||
| DeepSeek V4 Flash | | | | | ||
| Llama 4 Maverick | | | | | | |
| Qwen 3.7 Flash | | | | |||
| Kimi K2 | | | | | | |
| GLM 4.7 FlashX | | | | | | |
| MiniMax M2.5 | | | | | ||
| GPT-6 Luna | | | ||||
| Muse Glimmer 30B | | | | | | |
Amazon RDS Azure SQL Database first choice named as an alternative argued againstblank: not namedEach cell is one answer, Amazon RDS on the left and Azure SQL Database on the right.The direct prompt
The plain question, one answer per model, grouped by where Amazon RDS and Azure SQL Database stood in it.
Amazon RDS first, Azure SQL Database an alternative
10 of 14 modelsAzure SQL Database was named in the answer but not as the choice, or not at all.Claude Haiku 4.5Amazon RDS alternatives: Azure SQL Database
GPT-5.4 miniAmazon Aurora, Amazon RDS alternatives: Azure Database for PostgreSQL, Azure SQL Database, Google Cloud SQL
Perplexity SonarAmazon RDS alternatives: Azure SQL Database, Google Cloud SQL
DeepSeek V4 FlashAmazon RDS alternatives: Azure SQL Database, Google Cloud SQL
Llama 4 MaverickAmazon Aurora, Amazon RDS alternatives: Ntirety, Rackspace Technology
Qwen 3.7 FlashAmazon RDS alternatives: Azure Database for SQL Server / PostgreSQL, Neon, Vercel Postgres
Kimi K2Amazon RDS alternatives: Amazon Aurora, Azure SQL Database, Google Cloud SQL, Neon
MiniMax M2.5Amazon RDS alternatives: Amazon Aurora, DigitalOcean Managed Databases, Google Cloud SQL
GPT-6 LunaAmazon RDS alternatives: Amazon Aurora, Azure Database for PostgreSQL, Google Cloud SQL
Muse Glimmer 30BAmazon RDS alternatives: Amazon Aurora, Azure SQL Database, Google Cloud SQL
Neither was the first choice, one was named
4 of 14 modelsThe answer put something else first and named one of the two as an alternative.Gemini 3.5 FlashAmazon Aurora alternatives: Aiven, AlloyDB for PostgreSQL, Azure SQL Database, Neon
Grok 4.1 FastGoogle Cloud SQL alternatives: Aiven, Amazon RDS, Azure SQL Database, DigitalOcean Managed Databases
Mistral SmallAmazon Aurora alternatives: Azure SQL Database, Google Cloud SQL
GLM 4.7 FlashXGoogle Cloud SQL alternatives: Amazon RDS, Azure Database
Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
By buyer segment
The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Amazon RDS leads by nineteen points.
Amazon RDS24%#1 of 8Azure SQL Database4%#6 of 8Mid-marketThe figures above
Amazon RDS leads by forty-three points.
Amazon RDS45%#1 of 9Azure SQL Database2%#7 of 9Enterprise
The order flips: Azure SQL Database leads at enterprise.
Azure SQL Database24%#2 of 8Amazon RDS20%#3 of 8What the models said about Amazon RDS
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Some models explicitly recommend avoiding RDS for production core systems unless absolutely necessary.” Mistral Small · negative prompt · hard negative
“are cautious with AWS RDS SQL Server for point-in-time restore expectations and with any RDS engine for globally distributed strong-consistency writes” Muse Glimmer 30B · negative prompt · soft negative
“It is widely used and legitimate, but multiple sources note that it can carry premium instance pricing, hidden ancillary costs” Perplexity Sonar · negative prompt · soft negative
“Amazon RDS, for example, supports MySQL, PostgreSQL, MariaDB, SQL Server, Oracle, and Amazon Aurora, and automates provisioning, patching, backups, and failover.” Llama 4 Maverick · comparative prompt · first choice
“Pick AWS RDS/Aurora for broadest engine breadth and ecosystem maturity, and for cloud-native Aurora performance with MySQL/PostgreSQL compatibility.” Muse Glimmer 30B · comparative prompt · first choice
“The top managed relational database services are Amazon RDS, Google Cloud SQL, Azure SQL Database, and Oracle Autonomous Database” Perplexity Sonar · comparative prompt · first choice
What the models said about Azure SQL Database
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Azure SQL Database, while generally robust, has resource caps and licensing implications that require careful planning” Mistral Small · negative prompt · soft negative
“Standard Azure SQL Database strips out many legacy features (like SSIS, SQL Agent jobs, and certain system views)” Qwen 3.7 Flash · negative prompt · soft negative
“These are solid managed services, but Azure's own guidance warns not to choose solely by engine compatibility” Perplexity Sonar · negative prompt · soft negative
“Azure SQL Database is a fully managed, intelligent relational database service built on the Microsoft SQL Server engine” Perplexity Sonar · comparative prompt · first choice
“Amazon RDS or Azure SQL Database would be the safest bets depending on your existing tech stack” MiniMax M2.5 · paraphrase prompt · first choice
“Best for Microsoft Shops ... Lower first-choice share (4%) in general recommendations, but very strong within Microsoft-centric environments” Kimi K2 · direct prompt · alternative
Also compared
Amazon RDS vs Amazon AuroraAmazon RDS vs Google Cloud SQLAmazon RDS vs NeonAmazon RDS vs DigitalOcean Managed DatabasesAmazon RDS vs SupabaseAmazon Aurora vs Azure SQL DatabaseGoogle Cloud SQL vs Azure SQL DatabaseNeon vs Azure SQL DatabaseDigitalOcean Managed Databases vs Azure SQL DatabaseSupabase vs Azure SQL DatabaseAll twenty-one head-to-head pages and the full managed databases standing
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.