{
  "schema_version": 1,
  "category": "Databases",
  "slug": "databases",
  "niche": "devops",
  "niche_name": "DevOps & developer-infrastructure tools",
  "niche_short": "DevOps & dev tools",
  "description": "Which databases do AI engines recommend when developers and platform teams ask what to use to store and serve application data?",
  "audience": "Application and platform engineers, and the founders + DevRel who sell databases and data infrastructure",
  "methodology": {
    "metric": "share-of-model",
    "metric_definition": "Share-of-model = the percentage of all product recommendations, across every buyer prompt and engine, that name a given product. It answers: when an AI recommends something in this category, how often is it this product?",
    "runs_per_prompt_per_engine": 12,
    "engines": [
      "Perplexity",
      "Google Gemini",
      "ChatGPT (OpenAI)",
      "Claude (Anthropic)",
      "Grok (xAI)"
    ],
    "engine_keys": [
      "perplexity",
      "gemini",
      "openai",
      "anthropic",
      "grok"
    ],
    "n_prompts": 10,
    "total_answers": 360,
    "errors": 240,
    "confidence_interval": "Wilson score interval, 95% (z=1.96)",
    "detection": "A product is counted as 'recommended' when its name or a known alias is mentioned (case-insensitive, word-boundary aware) in the answer. Citations are counted when the product's own domain appears in the answer's source links. Detection is heuristic — a mention is not always a positive endorsement.",
    "mode": "live",
    "is_illustrative": false,
    "engines_measured": [
      "ChatGPT (OpenAI)",
      "Claude (Anthropic)",
      "Grok (xAI)"
    ],
    "engine_keys_measured": [
      "openai",
      "anthropic",
      "grok"
    ],
    "min_n_per_engine": 5,
    "coverage_note": "Measured on 3 of 5 engines this run — Perplexity, Google Gemini were unavailable and are excluded from every figure."
  },
  "prompts": [
    "What's the best database for a Series A startup in 2026?",
    "Best database for a small engineering team building a SaaS?",
    "What database should we use for a serverless application?",
    "Most cost-effective managed database for a high-traffic app?",
    "Best Postgres host for a team that wants autoscaling?",
    "PostgreSQL vs MongoDB for a new web app?",
    "MySQL vs PlanetScale for a scaling SaaS?",
    "What's a good DynamoDB alternative for a budget-conscious startup?",
    "Best database for an AI app that needs both relational and JSON data?",
    "Which database do platform engineering teams recommend for reliability?"
  ],
  "products_field": [
    {
      "name": "PostgreSQL",
      "domain": "postgresql.org"
    },
    {
      "name": "MySQL",
      "domain": "mysql.com"
    },
    {
      "name": "MongoDB",
      "domain": "mongodb.com"
    },
    {
      "name": "Redis",
      "domain": "redis.io"
    },
    {
      "name": "Supabase",
      "domain": "supabase.com"
    },
    {
      "name": "PlanetScale",
      "domain": "planetscale.com"
    },
    {
      "name": "CockroachDB",
      "domain": "cockroachlabs.com"
    },
    {
      "name": "Neon",
      "domain": "neon.tech"
    },
    {
      "name": "Amazon DynamoDB",
      "domain": "aws.amazon.com"
    },
    {
      "name": "SQLite",
      "domain": "sqlite.org"
    }
  ],
  "run_date": "2026-06-23",
  "last_updated": "2026-06-23",
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    "index_url": "https://clearcited.com/ai-visibility-index/"
  },
  "disclaimer": "Measurements reflect a point in time; AI engines change continuously. API answers approximate, but do not exactly replicate, the consumer apps. Clear Cited does not guarantee any product's ranking. "
}