Multimodal Knowledge Extraction
The best 50 Multimodal Knowledge Extraction AI tools - Free & Paid
Explore 50 AI for Multimodal Knowledge Extraction
OmniAIVideo.ai is a multimodal AI video generator that creates productions from text, images, audio, and video inputs with synchronized sound. It offers configurable aspect ratios, up to 4K resolution, and export-ready formats for social media, ads, and branded content.
Freemium
- $9.90/mo
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
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
ImageBind is a multimodal AI model that simultaneously processes images, video, audio, text, depth, thermal, and IMU data, learning a unified embedding space for seamless cross‑modal integration. It enables zero‑shot recognition, cross‑modal search, arithmetic, and generation tasks.
Freemium
Mixpeek indexes videos, images, and documents into searchable vector embeddings, extracting scenes, transcripts, faces, brands, and entities. Its parallel, fault‑tolerant pipelines run on Ray, enabling quick, structured retrieval via API for diverse industries.
Freemium
Memo AI is a workspace that ingests PDFs, videos, websites, and text, extracting structured content into semantic chunks with vector embeddings for hybrid keyword‑semantic retrieval. It generates flashcards, tests, summaries, mind maps, and supports active‑recall, spaced repetition, multilingual AI
Free
Agentic Document Extraction pulls structured data from PDFs, images, spreadsheets using vision‑first parsing, preserving layout and delivering bounding‑box citations. Modular REST APIs and Python/TypeScript SDKs support on‑prem or cloud deployment for regulated sectors needing traceable, accurate ex
Subscription
- $250/mo
WeKnorais a LLM-powered framework for deep document understanding and retrieval-augmented generation (RAG), providing multimodal preprocessing, chunking, semantic vector indexing and LLM inference for context-aware answers.
Modular integrations (Qdrant, configurable retrievers), agent mode with ex
Freemium
ModelFusion integrates multiple generative AI tools, allowing users to interact with various AI models for document analysis and image generation. Its multichat functionality enhances productivity and creativity, making it ideal for businesses and researchers.
Free trial
- $3
AI Tutor consolidates 200+ models into a single interface, enabling instant switching across text, image, audio, and video. It offers coding support, document analysis, app building, research tools, chatbot creation, and Beam for side‑by‑side model comparison.
Freemium
- $14.99/mo
Google AI Studio is a unified platform for accessing Gemini multimodal models—text, image, audio, and video—with API/SDK support, an integrated playground for prompt testing, one-click deployment, and centralized monitoring, logging, and code samples for rapid integration.
Freemium
Knowmax consolidates support content into a single source of truth, offering AI‑powered search, guided decision trees, and visual how‑to guides. It lets CX agents retrieve contextual answers across channels, reducing handling time, boosting first‑contact resolution, and easing onboarding.
Freemium
Knowbase.ai turns PDFs, Word, PowerPoint, text, audio, video, and YouTube links into a searchable knowledge base, delivering AI‑generated answers with source citations. It supports chat with individual documents or all files, transcription with speaker ID, multilingual use, and private data handling
Free trial
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
Recall is an AI-driven knowledge management tool that organizes and retrieves information efficiently. It summarizes content, uses an interactive knowledge graph, supports spaced repetition, and ensures cross-platform accessibility while prioritizing user data privacy.
Freemium
Chat & Ask AI combines web search, image generation, link analysis, document chat, and YouTube summarization in one interface. It offers up‑to‑date answers, multilingual support, file uploads, and a prompt library, powered by GPT‑5.2, Gemini, Claude, and Stable Diffusion XL.
Free
AIMLAPI.com offers a unified API endpoint for over 400 AI models spanning chat, image, video, audio, voice, text, 3D, and OCR. It supports sandbox testing, granular access control, batch requests, and an OpenClaw runtime for secure, human‑in‑the‑loop workflows.
Freemium
Emergent Mind collects recent arXiv papers, categorizes by topic or author, offers concise summaries, in‑depth analyses, whiteboard and video renderings, plus community‑driven email digests, helping researchers, students, educators, and industry professionals locate and explain literature quickly.
Freemium
Glean indexes content from 100+ business apps—including Slack, Teams, Gmail, Salesforce, and SharePoint—to deliver a unified search experience. Its AI assistant retrieves documents and emails based on user context, while Agent Builder automates repetitive tasks. Security controls safeguard sensitive
Subscription
GPTunneL aggregates ChatGPT, Claude, Gemini, MidJourney, Suno and other models into a single interface for Russian-language text, image, audio and video generation. It offers assistants, prompt libraries, APIs, usage tracking and creative tools.
Freemium
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
CleverAI is an all‑in‑one multimodal AI platform offering chat, image generation, video editing, PDF extraction/summarization/Q&A, smart search, mindmaps and workflow automation, with APIs, multilingual support (100+ languages), model selection, low latency and consent-based data handling.
Freemium
CrawlQ AI consolidates documents, media, and metadata into a single auditable source, enabling two‑way retrieval‑augmented generation across multiple LLMs. It delivers real‑time ROCC dashboards, automates approvals, enforces brand guardrails, and cuts content cycles by up to 75 %.
Freemium
- $49/mo
Sup AI is a multi-model orchestration platform that intelligently routes queries to the best frontier models for task-specific results. It ensures verifiable accuracy by scoring outputs in real-time, automatically retrying low-confidence responses and linking claims to citable sources.
Freemium
- $20/mo
MultipleChat integrates ChatGPT, Claude, Gemini, Grok, and Perplexity into a single prompt, displaying each model’s output side‑by‑side. It auto‑debates, flags conflicts, provides source references, and supports document, slide, spreadsheet, and image generation with humanized style learning.
Free trial
All‑in‑one platform integrating GPT‑4o, Claude, Gemini, and others for unified text, image, video, and document AI. Offers summarizing, translation, prompt templates, workflow tools, quiz creation, SCORM export, web search, subtitles, dubbing. SOC II‑compliant with field‑level encryption and data is
Subscription
- $8/mo
Docugami transforms unstructured business documents into structured knowledge graphs, extracting key data from contracts, invoices, clinical trials, and more. Its no‑code interface and secure connectors integrate with SharePoint, Google Drive, and ERPs, automating review, compliance, and decision wo
Freemium
Instabase converts large document packets into structured, auditable data using AI agents for cross‑document validation and multi‑step business rules. It dynamically selects models for speed and accuracy, supports privacy, audit trails, and scalable automation.
Free
Unstract is an open‑source, no‑code platform that automates structured data extraction from unstructured documents using LLMs. It features reusable prompts, Human‑in‑the‑Loop verification, and dual‑LLM hallucination mitigation for secure, compliant use across finance, insurance, and healthcare.
Freemium
NoteGPT transcribes and summarizes lectures, meetings, and recordings in any language, offering PDF/PPT/book/video overviews, translation, and AI drafting tools. It also supports text‑to‑speech, voice cloning, infographics, slide generation, and multi‑model chat assistance.
Free trial
- $9/mo
Explainpaper reads research papers, offering contextual, step‑by‑step explanations in 50+ languages. Highlight text for tailored breakdowns, ask chat questions with cited sections, and extract outlines, key findings, concept maps for quick, focused literature review.
Freemium
- $16/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
User Evaluation is an AI‑driven platform that transcribes audio/video in 57 languages, tags and analyzes responses, and delivers actionable insights via dynamic reports and a multimodal chat. It supports secure storage, Kanban organization, and integration with design and analytics tools.
Freemium
- $19/mo
MiniGPT-4 is a versatile AI model that can enhance vision-language understanding, generate detailed image descriptions, and teach users to cook through image projection using a frozen visual encoder with Vicuna.
Free
ContextClue transforms CAD, PDF, ERP and planning files into queryable knowledge graphs, enabling semantic search and automated generation of SOPs, compliance reports, and digital‑twin data. Ideal for manufacturing, R&D, and maintenance teams to streamline specification access and part reuse.
Freemium
SceneXplain converts images and videos into captions, summaries, alt‑text, and JSON using multimodal AI. It supports 100+ languages, visual Q&A, batch processing of 128 images, and provides a REST API for web and mobile integration, enhancing accessibility and data extraction.
Freemium
Monet AI is an all-in-one content creation platform that combines multiple generative models for text-to-video, text-to-image, image-to-video, text-to-speech and music generation, with style-transfer presets, batch processing, centralized asset library and a unified API for workflows.
Freemium
Petal is an AI document analysis platform that links to your knowledge bases to deliver context‑aware, fully sourced answers. It centralizes files in a cloud drive, auto‑extracts metadata, removes duplicates, and supports annotation and collaboration without email.
Freemium
- $2.55/mo
GPT‑4o is a multimodal AI that processes text, images, and audio in real time, delivering fast, context‑aware responses for dialogue, image analysis, and voice recognition. It supports developers, content creators, researchers, and enterprises across devices.
Paid
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
FileGPT lets users query PDFs, DOCs, text, audio, YouTube, and web pages via GPT, extracting and consolidating information across multiple sources. It supports large documents, handwritten text, and delivers concise, cross‑source answers for researchers, students, and managers.
Freemium