Semantic Vector Search
The best 50 Semantic Vector Search AI tools - Free & Paid
Explore 50 AI for Semantic Vector Search
Scavio AI is a real-time search API for AI agents that returns structured JSON data from Google, Amazon, YouTube, Walmart, and Reddit via a single endpoint. It extracts clean metadata for direct ingestion into models and agent workflows, with official SDKs for LangChain and MCP integration.
Free trial
- $30/mo
SvectorDB is a serverless AWS vector database that supports instant upserts, deletions, and hybrid vector‑Lucene searches. It offers built‑in text and image vectorizers, custom embedding import, and scales to one million records per database.
Freemium
Semantic Scholar indexes 230 million papers, offering AI‑powered semantic search that prioritizes relevance and citation impact. It provides contextual PDF annotations, a developer API, and export options for literature reviews, grant research, and teaching.
Free
Supermemory unifies user profiling, a vector memory graph, and rapid retrieval into a single API, extracting PDFs, web pages, images, and syncing from Notion, Slack, Google Drive, Gmail, S3. It integrates via TypeScript, Python, or REST.
Freemium
- $19/mo
Super Search is an AI‑powered search engine that instantly finds user‑generated content across a brand’s media library using keywords, phrases, or images. It returns relevant posts, videos, and ads in seconds, enabling rapid trend spotting and content repurposing.
Freemium
- $29/mo
Trieve is an AI infrastructure API that enhances search and discovery with advanced semantic vector and full-text search capabilities. It offers easy data management, no-code dashboard features, and self-hosting options for improved relevance and data privacy.
Freemium
MyScale is a SQL-native vector database combining MSTG vector indexes (configurable metrics) and BM25 full-text search for semantic and lexical retrieval, supporting SQL–vector joins, metadata filtering, fast ingestion, observability, SDK integrations, and SQL-based RBAC.
Langsearch is a web search API that enables natural language queries and semantic reranking for improved search accuracy. It offers real-time access to diverse information, making it suitable for AI agents and applications needing enhanced search capabilities.
Free trial
Vectorize is a modular AI platform for building, deploying, and managing intelligent agents with persistent memory. It offers end‑to‑end context engineering, data connectors, automated pipelines, semantic search, and enterprise security for reliable RAG solutions.
Freemium
- $99/mo
SemaReader converts web pages into clean, LLM‑friendly text for precise summaries, topic extraction, and keyword tagging. It integrates with analytics dashboards or knowledge graphs, boosting research and business intelligence with faster, noise‑reduced content analysis.
Free
Zilliz Cloud is a fully managed Milvus-based vector database offering billion-scale similarity search, multi-cloud serverless and distributed clusters, SDKs and APIs, embedding pipelines, AUTOINDEX/Cardinal acceleration, RBAC and observability for RAG, semantic search, and recommender systems.
Freemium
- $7/mo
Algolia is an AI‑driven search platform that indexes, retrieves, and monitors data. It offers Agent Studio, RAG‑powered experiences, conversational search, real‑time personalization, analytics, and built‑in integrations for e‑commerce, SaaS, media, and marketplaces.
Freemium
TwelveLabs extracts structured data from videos using AI models Marengo and Pegasus. Its APIs enable time‑based search, on‑demand summarization, and vector embeddings for semantic search and recommendations, supporting media, advertising, and security workflows.
Freemium
- $0.07
Spaces Semantic Search is a semantic search for Hugging Face spaces that allows users to easily find apps based on their queries.
Free
Consensus is an AI‑powered academic search engine indexing 250 million peer‑reviewed papers. Its Deep Search expands terms, applies filters for time, design, and population, visualizes study agreement, and offers medical‑focused evidence for rapid literature reviews.
Freemium
MediSearch delivers AI‑driven, evidence‑based medical answers via a structured query interface and advanced filters for topics such as cancer risk and medication side effects. It offers a downloadable app and business solutions, focusing on up‑to‑date, accurate content.
Freemium
Pinecone is a vector database enabling real‑time semantic search with instant indexing, hybrid keyword‑embedding queries, metadata filtering, and namespace isolation. It auto‑scales, offers high‑availability, and integrates with AWS, GCP, Azure while meeting SOC 2, GDPR, ISO 27001, and HIPAA securit
Subscription
- $50/mo
Spice AI is an open‑source platform that fuses SQL federation with hybrid vector, full‑text, and keyword search, enabling unified queries across databases and lakes. It supports local or hosted LLM inference, real‑time change capture, and secure sandboxed AI serving.
Free
Writesonic AI Visibility tracks brand rankings across ChatGPT, Gemini, Perplexity, and 10+ AI platforms, delivering scores, sentiment, and citation data. Its action center recommends outreach, SEO fixes, and AI‑optimized content, while 120M conversation insights guide topic selection.
Free
SEOmatic automates large‑scale production of search‑optimized pages, managing keyword research, content creation, on‑page tuning, and schema markup. It tracks rankings, traffic, and conversions, enabling marketers, agencies, and enterprises to scale lead‑generation content efficiently.
Freemium
- $39/mo
AI SEO unifies AI‑driven keyword research, technical audits, and content optimization into a single workflow. It refines structured data, internal linking, and semantic depth, improving search rankings, AI answer visibility, and machine readability for creators and marketers.
Subscription
- $15/mo
You.com is an AI-based search engine that provides customized search results and summarizes web pages by categories, with Code Complete for technical information and shareable links.
DeepSeek-V3 is an advanced AI model offering leading performance in open source LLM, enhanced speed, and global language support. It sets new benchmarks for inference speed among open-source models.
Open Knowledge Maps is an AI search engine that visualizes scientific literature across disciplines, clustering related papers to reveal topic connections and trends. It supports varied document types, offers high‑quality metadata, multilingual browsing, and open‑source integration.
Freemium
GoSearch consolidates indexed and non‑indexed data from 100+ apps, letting teams query across email, chat, documents, and private files with AI assistants. It automates routine tasks through custom agents, enforces granular security, and supports multiple LLMs for unified enterprise knowledge.
Freemium
- $20/mo
SurgeGraph Vertex is an AI‑powered platform that automates SEO‑focused article creation, offering competitor analysis, keyword mapping, topic discovery, human‑like writing, internal linking, image generation, and WordPress publishing, plus collaborative workflows and performance analytics.
Freemium
Sense automates candidate outreach, scheduling, and real-time responses to cut time-to-hire by 55%, triple applicants for hard-to-fill roles, and improve interview show rates while integrating with ATS, calendars, and recruitment analytics.
Freemium
SVGStud.io is an AI tool providing semantic searching and creating of scalable vector graphics (SVGs) based on text descriptions or Image conversion.
Freemium
Signum.AI monitors brand visibility in AI search engines like ChatGPT, Perplexity, and Gemini, maps competitor presence, identifies citing sources, and highlights growth signals. It delivers actionable guidance for content, optimization, and promotion to boost AI share of voice.
Paid
- $1.67/mo
QuickSEO consolidates Google Search Console metrics and AI chatbot visibility into one dashboard, tracking clicks, impressions, rankings, and AI appearance scores. It analyzes sentiment, detects competitor mentions, and offers data‑driven recommendations for content and keyword optimization.
Subscription
- $99/mo
Scite indexes 280 million peer‑reviewed articles, preprints, books, patents, and datasets, enabling full‑text search. It classifies each citation as supportive, neutral, or contradictory with confidence scores and lets users view original context and citation reports.
Subscription
- $16/mo
Surfer is an SEO content platform that offers real‑time analysis of article structure, keyword density, and images in multiple languages. It supplies an editor with on‑page recommendations, AI‑driven drafting, link insertion, authenticity checks, and brand visibility tracking.
Subscription
- $49/mo
SciSummary extracts abstracts, methods, results, and conclusions from scientific papers, supports bulk summarization and comparative overviews, provides AI‑generated figure statistics, and indexes up to 1,000 documents for semantic search to aid researchers in managing literature.
Freemium
- $6.99/mo
Smartvel delivers AI‑driven travel content, aggregating and translating data from thousands of sites to create multilingual destination guides, trip‑planning tools, and real‑time advisory hubs. Its APIs and structured data support rapid deployment and SEO optimization.
Subscription
iWeaver lets users upload documents, videos, audio, and images to extract key concepts, generate summaries, and build mind maps. It supports structured Q&A, data extraction, and visual mapping for research, analysis, and legal review. Modular agents enable API integrations for workflows.
Freemium
- $9.9/mo
Seek AI is a generative AI platform within Snowflake that delivers data‑driven question answering, workflow automation, and real‑time reporting. It creates SQL, visualizations, and insights using online learning and NLP, keeping all work securely inside the warehouse.
Freemium
SEOpital uses AI to cluster keywords, analyze SERPs, and pinpoint ranking factors. It generates optimized articles, enriches existing content, tracks positions via Search Console, flags cannibalization, supports multiple languages, and suggests titles, images, and links.
Free
iAsk.Ai delivers instant, factual answers to natural‑language questions from authoritative web sources, and offers essay drafting, advanced grammar checks, academic summarization, PDF analysis, image generation, URL bullet‑point briefs, and one‑click grammar correction. Accessible via browser extens
Freemium
- $9.95/mo
super.AI converts unstructured documents into structured data using LLMs, guiding users through upload, classify, extract, and validate steps. It supports 500+ layouts, multiple languages, code‑free workflow building, and real‑time ERP/database sync for finance, logistics, insurance, and supply‑chai
Free
Squirro consolidates structured and unstructured data using knowledge graphs and AI guardrails, delivering secure, compliant analytics for regulated sectors. It offers document intelligence, semantic search, real‑time compliance monitoring, and privacy controls, enabling faster decisions and reduced
Freemium
Ducky AI is a managed AI search infrastructure service for RAG, offering vector databases, semantic search, and fast indexing. It provides a Python SDK for queries, hybrid search, and reranking, with scalable infrastructure and context-aware agents.
Freemium
Veezoo is a self-service analytics tool that provides instant insights through search, enables data democratization at scale, and allows users to easily tell stories from their data with one-click dashboards.
Freemium
Geneo is a generative engine optimization tool that enhances brand visibility on AI platforms. It offers real-time tracking, competitor analysis, and sentiment insights, enabling efficient multi-brand management and data-driven content optimization for improved AI search performance.
Free trial
Three Sigma is an AI research tool that offers advanced search technology and eliminates the need for manual reading, with plans to incorporate reference tables, charts, and GPT-4 capabilities in the future.
Free trial
Tavily offers a secure, high‑volume web‑access API that delivers real‑time search, extraction, and structured results. It includes caching, indexing, and content validation, preventing leaks and malicious data, and guarantees 99.99 % uptime for enterprise‑grade reliability.
Freemium
Albus AI indexes PDFs, images, audio, text, and web articles into a semantic map, enabling precise cross‑format search. Drop files into a folder for automatic categorization, with real‑time web search, conversation mode, canvas collaboration, and multi‑modal AI generation.
Subscription
- $20/mo