AI document Q&A

Claude

Featured

Writing · Claude Opus / Sonnet

9.6

Anthropic's flagship assistant for long-form writing, analysis, and coding.

GPT-4o

Featured

Writing · GPT-4o

9.4

OpenAI's multimodal flagship behind ChatGPT.

Elasticsearch Vector Search

RAG · BYO embeddings (OpenAI, Cohere, Hugging Face, Mistral, Bedrock, Vertex, Azure) plus Elastic's built-in ELSER sparse model and E5 dense model

8.7

Hybrid vector + keyword search in the enterprise-grade Elasticsearch engine

Ernie Bot

Agents · Baidu ERNIE 4.0 / ERNIE X1 / ERNIE Turbo (in-house)

8.7

Baidu's Mandarin-first ChatGPT rival, powered by the ERNIE model family

Snowflake Cortex

RAG · Anthropic Claude, Meta Llama, Mistral Large 2, Snowflake Arctic

8.7

Generative AI and RAG built into the Snowflake data cloud

AWS Bedrock

Agents · Multi-model: Anthropic Claude, Meta Llama, Mistral, Cohere, AI21, Amazon Nova/Titan, DeepSeek, Stability, OpenAI GPT

8.6

Build and scale generative AI applications with foundation models

DataStax Astra DB

RAG · Bring-your-own embeddings; integrates with OpenAI, Cohere, Hugging Face, Mistral, NVIDIA NIM, and Vertex AI via server-side vectorize

8.6

Serverless vector and document database for production RAG and AI agents

IBM watsonx

Agents · IBM Granite (3.x, Code, Time Series), Meta Llama 3.x, Mistral, plus other curated open models

8.6

Enterprise AI platform for building, deploying, and governing models and agents

Glean

Agents · Model-agnostic: routes across 35+ LLMs including GPT-4o, Claude 3.5/4 Sonnet, Gemini 1.5/2, Llama 3, Mistral, plus Glean in-house models

8.5

Work AI platform that unifies enterprise knowledge, search, and agents

Quivr

RAG · Multi-model (OpenAI, Anthropic, Mistral, Gemma)

8.4

Open-source RAG framework for building custom AI assistants over your own documents in a few lines of Python.

LibreChat

Writing · Multi-model (OpenAI, Anthropic, Google, AWS Bedrock, Azure, Ollama, and others)

8.2

Open-source, self-hostable ChatGPT-style frontend that brings every major LLM provider under one roof.

Msty

Writing · Multi-model (Ollama, Claude, GPT, Gemini, others)

8.2

Privacy-first desktop AI workspace that runs local and cloud models side by side.

NotebookLM

RAG · Gemini 2.5

8.1

Google's source-grounded research notebook that turns your documents into chats, briefs, and AI-hosted podcasts.

ChatGPT

Writing · GPT-4o, GPT-4.1, o-series reasoning models

8.0

OpenAI's flagship conversational assistant, and the default benchmark every other chatbot is measured against.

AnythingLLM

RAG · Multi-model

7.9

Open-source desktop and self-hosted app that turns your documents into a private chat-and-agent workspace.

Khoj

Agents · Multi-model

7.9

Open-source personal AI that builds agents, searches your documents, and automates research across local files and the web.

Humata.ai

RAG · Multi-model

7.8

Chat-with-your-documents RAG tool with citation-backed answers across uploaded PDFs and files.

Langchain-Chatchat

RAG · Multi-model (GLM-4, Qwen2, Llama 3, etc. via Xinference/Ollama/LocalAI/FastChat)

7.4

Self-hostable RAG and agent framework that wires LangChain to any local open-source LLM and a knowledge base.

Cognee

RAG · Multi-model (Claude, OpenAI, others)

7.2

Open-source graph-memory layer that gives AI agents persistent, queryable context across sessions.

LobsterAI

Agents · Multi-model

7.2

Youdao's 24/7 personal agent that runs locally, plugs into multiple LLMs, and automates office workflows via dialogue and skills.

OneKE

RAG · Multi-model (OneKE-13B, LLaMA3, Qwen2.5, GPT, DeepSeek-R1)

7.2

Open-source multi-agent framework for schema-guided knowledge extraction from documents.

WeKnora

RAG · Multi-model

7.2

Tencent's open-source RAG framework that turns raw documents into a queryable knowledge base, ReAct agent, and self-maintaining wiki.

DeepL Write

Writing · DeepL proprietary LLM

7.1

AI writing assistant from the team behind DeepL Translator, tuned for fluent rewrites across 19 languages.

FutureHouse Platform

RAG · Multi-model

7.1

Multi-agent AI research stack for scientists, with retrieval over 175M+ papers, patents, and trials.

Compose AI

Writing

7.0

Chrome extension that adds Gmail-style AI autocomplete to virtually any text field in the browser.

editGPT

Writing · ChatGPT (GPT-4 / GPT-3.5)

7.0

Browser extension that turns ChatGPT into a tracked-changes proofreader for your documents.

GaliChat

RAG

7.0

No-code AI chatbot builder that trains on your website content for support and lead capture.

Kotaemon

RAG · Multi-model (OpenAI, LlamaCPP, any OpenAI-compatible endpoint)

7.0

Open-source RAG UI for chatting with your own documents, locally or self-hosted.

MindsHub Cowork

Agents · Multi-model

7.0

Unified workspace for open-source AI agents that turn tasks into shareable documents, dashboards, and apps.

PageIndex

RAG

7.0

Vectorless reasoning-based retrieval for long documents, with traceable, auditable answers.

PrivateGPT

RAG · Multi-model (BYO local LLM)

7.0

Production-ready, air-gapped RAG framework for querying your documents with local LLMs.

SMMRY

Writing

7.0

Veteran web-based summarizer that condenses articles, books, and YouTube videos into digestible bullet points.

Elephas

Writing · Multi-model (GPT-5, Claude, Gemini, BYO API)

6.9

Privacy-first Mac AI writing assistant that redacts PII before any cloud call and indexes your files locally.

GitHub Spec Kit

Coding · Multi-model

6.9

Open-source toolkit that forces AI coding agents through a Spec to Plan to Tasks to Implement workflow.

Jetwriter AI

Writing · Multi-model (GPT-5, Claude Opus/Sonnet, Gemini Pro)

6.9

Multi-model AI writing assistant that lives inside Gmail, LinkedIn, WhatsApp Web, and any other tab.

Microsoft Copilot

Writing · GPT-4-class (OpenAI) + DALL-E

6.9

Microsoft's consumer AI assistant, formerly Bing Chat, now powered by GPT-4-class models with web grounding and image generation.

QuickCreator

Writing · Gemini

6.9

Multi-agent SEO blog writer aimed at solo founders who want to rank on Google and get cited by ChatGPT.

aiPDF

RAG

6.8

Chat-with-your-documents app that ingests PDFs, EPUBs, web pages and YouTube videos with cited answers.

ChatPDF

RAG · GPT-4o / GPT-4o-mini

6.8

Conversational Q&A over PDFs and other documents with citation-backed answers.

DocGPT AI Writer for Docs

Writing · Multi-model (GPT, Claude, Gemini)

6.8

Google Docs sidebar add-on that drops GPT-class drafting, rewriting, and summarization straight into your document.

Genei

RAG · GPT-3 (per public site)

6.8

AI research assistant that summarizes PDFs and web pages and answers questions across your document library.

Ailin

Agents · Multi-model — routes to OpenAI, Anthropic Claude, Google Gemini, and customer-supplied custom models

One prompt, every AI model — plus a no-code builder for agents and workflows

AI Toolbox

Writing

One Chrome extension for ChatGPT, Gemini, Claude, and Grok

Anakin

Agents · GPT-4o, Claude 3.5 Sonnet, Gemini 1.5, DeepSeek, Mistral, Llama 3

One platform, every model — no-code AI apps and agents

Chatbot by Vercel

Coding · Provider-agnostic via the Vercel AI SDK (OpenAI, Anthropic, Google, xAI, Groq, Mistral, and others configurable)

Open-source Next.js chatbot template built on the Vercel AI SDK

Dify

Agents · Model-agnostic: OpenAI (GPT-4o, GPT-4.1), Anthropic Claude, Google Gemini, Mistral, Cohere, Ollama, and any OpenAI-compatible endpoint

Open-source LLMOps platform for building agentic workflows, RAG pipelines, and AI applications

Docling

RAG · GraniteDocling 258M and other vision-language models

Open-source document parsing for AI: PDFs, Office files, audio and video into clean, structured Markdown/JSON

Fabric

Agents · Model-agnostic: OpenAI GPT-4o/GPT-4.1, Anthropic Claude (incl. Opus 4.7), Google Gemini, Azure OpenAI, Bedrock, Vertex AI, plus local Ollama and LM Studio models.

An open-source framework for augmenting humans with AI, one composable prompt at a time.