# AI tools for “Query Engine” 467 matching tools; showing 24, ranked by relevance. Filters: `platform=website` | # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Why it matched | Profile (Markdown) | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | [WolframAlpha](https://openaitools.app/tool/wolframalpha) | 3,101,089 | +5.6% | Freemium | Computational knowledge engine for expert answers | keywords 100%; semantic match | [.md](https://openaitools.app/tool/wolframalpha.md) | | 2 | [Grok](https://openaitools.app/tool/grok) | 203,846,050 | -0.8% | Freemium | xAI's real-time AI assistant and coding workspace powered by Grok 4.7 with live X integration. | semantic match | [.md](https://openaitools.app/tool/grok.md) | | 3 | [Perplexity](https://openaitools.app/tool/perplexity-ai) | 88,310,223 | -3.7% | Freemium | Real-time AI answer engine and research workspace combining live web citations with frontier reasoning models. | semantic match | [.md](https://openaitools.app/tool/perplexity-ai.md) | | 4 | [SQLAI.ai](https://openaitools.app/tool/aihelperbot) | 15,511 | -37.4% | Freemium, Free Trial | Generate, optimize and explain SQL queries with AI for 28+ database engines | keywords 100%; semantic match | [.md](https://openaitools.app/tool/aihelperbot.md) | | 5 | [SQLAI.ai](https://openaitools.app/tool/sqlai-ai) | 15,511 | -37.4% | Freemium, Free Trial | AI SQL multi-tool that generates, fixes, optimizes and explains queries | keywords 100%; semantic match | [.md](https://openaitools.app/tool/sqlai-ai.md) | | 6 | [Yep.com](https://openaitools.app/tool/yep-com) | 155,834 | +6.2% | Free | Independent web search and agent grounding API built on the Ahrefs index | keywords 100%; semantic match | [.md](https://openaitools.app/tool/yep-com.md) | | 7 | [Query Fan-Out Optimizer](https://openaitools.app/tool/query-fan-out-optimizer) | 4,821 | +8.7% | Freemium, Contact for Pricing | See the hidden sub-queries LLMs run before they cite you | keywords 100%; semantic match | [.md](https://openaitools.app/tool/query-fan-out-optimizer.md) | | 8 | [SERP API (Bright Data)](https://openaitools.app/tool/serp-api) | 802,752 | -5.9% | Paid, Contact for Pricing | Real-time search engine scraping API with structured JSON, HTML, or Markdown output | keywords 100%; semantic match | [.md](https://openaitools.app/tool/serp-api.md) | | 9 | [Spice.ai](https://openaitools.app/tool/spice-ai) | 20,632 | -21.8% | Freemium | The portable data lakehouse for AI agents | keywords 100%; semantic match | [.md](https://openaitools.app/tool/spice-ai.md) | | 10 | [Extruct AI](https://openaitools.app/tool/extruct-ai) | 54,708 | -7% | Paid, Contact for Pricing | The company research API for AI agents | keywords 100%; semantic match | [.md](https://openaitools.app/tool/extruct-ai.md) | | 11 | [Glean](https://openaitools.app/tool/glean) | 3,301,875 | +0.1% | Contact for Pricing | Enterprise AI grounded in your company's own knowledge | semantic match | [.md](https://openaitools.app/tool/glean.md) | | 12 | [iAsk AI](https://openaitools.app/tool/iask-ai-generative-ai-search-engine) | 822,445 | +13.1% | Free | A free AI answer engine that cites its sources | keywords 100% | [.md](https://openaitools.app/tool/iask-ai-generative-ai-search-engine.md) | | 13 | [Complexity](https://openaitools.app/tool/complexity) | 6,671 | +5.9% | Free | An AI knowledge engine that answers questions about the world around you | keywords 100%; semantic match | [.md](https://openaitools.app/tool/complexity.md) | | 14 | [AI2SQL](https://openaitools.app/tool/ai2sql) | 65,466 | -6.6% | Freemium | AI SQL assistant that writes, fixes and runs queries on your real schema | keywords 58%; semantic match | [.md](https://openaitools.app/tool/ai2sql.md) | | 15 | [Meilisearch](https://openaitools.app/tool/meilisearch) | 119,713 | -21.5% | Free Trial, Contact for Pricing | Lightning-fast search engine you can self-host or run in the cloud | semantic match | [.md](https://openaitools.app/tool/meilisearch.md) | | 16 | [Notion AI](https://openaitools.app/tool/notion-ai) | 13,460,455 | +13.4% | Freemium, Paid, Contact for Pricing | Your always-on AI teammate inside the Notion workspace | keywords 100% | [.md](https://openaitools.app/tool/notion-ai.md) | | 17 | [Shaped](https://openaitools.app/tool/shaped) | 11,871 | -39.2% | Contact for Pricing | The relevance engine with a built-in feedback loop | keywords 100%; semantic match | [.md](https://openaitools.app/tool/shaped.md) | | 18 | [Wren AI](https://openaitools.app/tool/wren-ai-cloud) | 34,444 | -8.6% | Freemium, Free Trial, Contact for Pricing, Free | Ask your data in plain language, get one trusted answer | keywords 58%; semantic match | [.md](https://openaitools.app/tool/wren-ai-cloud.md) | | 19 | [Pinecone](https://openaitools.app/tool/pinecone) | 286,732 | -31% | Freemium, Paid, Contact for Pricing | The managed vector database and knowledge engine for production AI | semantic match | [.md](https://openaitools.app/tool/pinecone.md) | | 20 | [Chat2DB Local](https://openaitools.app/tool/chat2db-local) | 55,791 | -5.5% | Free Trial, Paid, Contact for Pricing | AI text-to-SQL client for database management and analysis | keywords 58%; semantic match | [.md](https://openaitools.app/tool/chat2db-local.md) | | 21 | [Polygres](https://openaitools.app/tool/polygres) | 4,018 | -52.3% | Freemium | Graph, vector and text retrieval for AI agents on your Postgres | keywords 100%; semantic match | [.md](https://openaitools.app/tool/polygres.md) | | 22 | [TinyFish](https://openaitools.app/tool/tinyfish) | 1,124,952 | +199.7% | Freemium, Contact for Pricing | One API key for agent-grade web search, fetch, browsing and automation | semantic match | [.md](https://openaitools.app/tool/tinyfish.md) | | 23 | [Exa](https://openaitools.app/tool/exa-ai) | 1,062,574 | +16.8% | Freemium, Contact for Pricing | Web search API and crawler built for AI agents | semantic match | [.md](https://openaitools.app/tool/exa-ai.md) | | 24 | [Qdrant](https://openaitools.app/tool/qdrant-io) | 72,992 | -38.4% | Freemium, Contact for Pricing | Open-source, high-performance vector search at any scale | semantic match | [.md](https://openaitools.app/tool/qdrant-io.md) | Page 1 of 20 · [Next page →](https://openaitools.app/index.md?q=Query+Engine&platform=website&page=2) For programmatic access use `https://openaitools.app/api/tools?q=…` or MCP `https://openaitools.app/api/mcp`. --- Source: https://openaitools.app/?q=Query%20Engine More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)