| Data Ingestion & Knowledge Sources |
- Gives developers a flexible framework to wire up connectors and process nearly any file type or data source with libraries like Unstructured.
- Lets you push content into vector stores such as OpenSearch, Pinecone, Weaviate, or Snowflake—pick the backend that fits best. Learn more
- Setup is hands-on, but the payoff is deep, domain-specific customization of your ingestion pipelines.
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Uses a hands-on, file-based flow: drop PDFs, text, DOCX, PPTX, HTML, etc. into a folder and run a script to embed them.
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A new GUI Knowledge-Base editor lets you add docs on the fly, but there’s no web crawler or auto-refresh yet.
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- Lets you ingest more than 1,400 file formats—PDF, DOCX, TXT, Markdown, HTML, and many more—via simple drag-and-drop or API.
- Crawls entire sites through sitemaps and URLs, automatically indexing public help-desk articles, FAQs, and docs.
- Turns multimedia into text on the fly: YouTube videos, podcasts, and other media are auto-transcribed with built-in OCR and speech-to-text.
View Transcription Guide
- Connects to Google Drive, SharePoint, Notion, Confluence, HubSpot, and more through API connectors or Zapier.
See Zapier Connectors
- Supports both manual uploads and auto-sync retraining, so your knowledge base always stays up to date.
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| Integrations & Channels |
- API-first approach—drop the RAG system into your own app through REST endpoints or the Haystack SDK.
- Shareable pipeline prototypes are great for demos, but production channels (Slack bots, web chat, etc.) need a bit of custom code. See prototype feature
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Ships with a local Gradio GUI and Python scripts for queries—no out-of-the-box Slack or site widget.
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Want other channels? Write a small wrapper that forwards messages to your local chatbot.
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- Embeds easily—a lightweight script or iframe drops the chat widget into any website or mobile app.
- Offers ready-made hooks for Slack, Microsoft Teams, WhatsApp, Telegram, and Facebook Messenger.
Explore API Integrations
- Connects with 5,000+ apps via Zapier and webhooks to automate your workflows.
- Supports secure deployments with domain allowlisting and a ChatGPT Plugin for private use cases.
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| Core Chatbot Features |
- Builds RAG agents as modular pipelines—retriever + reader, plus optional rerankers or multi-step logic.
- Multi-turn chat? Source attributions? Fine-grained retrieval tweaks? All possible with the right config. Pipeline overview
- Advanced users can layer in tool use and external API calls for richer agent behavior.
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Runs a retrieval-augmented chatbot on open-source LLMs, streaming tokens live in the Gradio UI.
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Primarily single-turn Q&A; long-term memory is limited in this release.
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Includes a “Retrieval Tuning Module” so you can see—and tweak—how answers are built from the data.
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- Powers retrieval-augmented Q&A with GPT-4 and GPT-3.5 Turbo, keeping answers anchored to your own content.
- Reduces hallucinations by grounding replies in your data and adding source citations for transparency.
Benchmark Details
- Handles multi-turn, context-aware chats with persistent history and solid conversation management.
- Speaks 90+ languages, making global rollouts straightforward.
- Includes extras like lead capture (email collection) and smooth handoff to a human when needed.
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| Customization & Branding |
- No drag-and-drop theming here—you’ll craft your own front end if you need branded UI.
- That also means full freedom to shape the visuals and conversational tone any way you like. Custom components
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Default Gradio interface is pretty plain, with minimal theming.
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For a branded UI you’ll tweak source code or build your own front end.
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- Fully white-labels the widget—colors, logos, icons, CSS, everything can match your brand.
White-label Options
- Provides a no-code dashboard to set welcome messages, bot names, and visual themes.
- Lets you shape the AI’s persona and tone using pre-prompts and system instructions.
- Uses domain allowlisting to ensure the chatbot appears only on approved sites.
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| LLM Model Options |
- Model-agnostic: plug in GPT-4, Llama 2, Claude, Cohere, and more—whatever works for you.
- Switch models or embeddings through the “Connections” UI with just a few clicks. View supported models
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Defaults to WizardVicuna-13B, but you can swap in any Hugging Face model if you have the GPUs.
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Full control over model choice, though smaller open models won’t match GPT-4 for depth.
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- Taps into top models—OpenAI’s GPT-4, GPT-3.5 Turbo, and even Anthropic’s Claude for enterprise needs.
- Automatically balances cost and performance by picking the right model for each request.
Model Selection Details
- Uses proprietary prompt engineering and retrieval tweaks to return high-quality, citation-backed answers.
- Handles all model management behind the scenes—no extra API keys or fine-tuning steps for you.
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| Developer Experience (API & SDKs) |
- Comprehensive REST API plus the open-source Haystack SDK for building, running, and querying pipelines.
- Deepset Studio’s visual editor lets you drag-and-drop components, then export YAML for version control. Studio overview
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Interaction happens via Python scripts—there’s no formal REST API or SDK.
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Integrations usually call those scripts as subprocesses or add your own wrapper.
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- Ships a well-documented REST API for creating agents, managing projects, ingesting data, and querying chat.
API Documentation
- Offers open-source SDKs—like the Python
customgpt-client—plus Postman collections to speed integration.
Open-Source SDK
- Backs you up with cookbooks, code samples, and step-by-step guides for every skill level.
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| Integration & Workflow |
- Embed deeply into enterprise stacks—custom connectors, bespoke endpoints, the works.
- Schedule ETL jobs and route data conditionally right from the pipeline config. Deployment API
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Run it locally: prep a GPU box, drop data, run
prepare.py to embed, then chat.py for the Gradio UI.
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Updating content means re-running scripts or using the new Knowledge tab; scaling is a manual process.
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- Gets you live fast with a low-code dashboard: create a project, add sources, and auto-index content in minutes.
- Fits existing systems via API calls, webhooks, and Zapier—handy for automating CRM updates, email triggers, and more.
Auto-sync Feature
- Slides into CI/CD pipelines so your knowledge base updates continuously without manual effort.
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| Performance & Accuracy |
- Tune for max accuracy with multi-step retrieval, hybrid search, and custom rerankers.
- Mix and match components to hit your latency targets—even at large scale. Benchmark insights
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Open-source models run slower than managed clouds—expect a few to 10 + seconds per reply on a single GPU.
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Accuracy is fine when the right doc is found, but smaller models can struggle on complex, multi-hop queries.
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- Delivers sub-second replies with an optimized pipeline—efficient vector search, smart chunking, and caching.
- Independent tests rate median answer accuracy at 5/5—outpacing many alternatives.
Benchmark Results
- Always cites sources so users can verify facts on the spot.
- Maintains speed and accuracy even for massive knowledge bases with tens of millions of words.
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| Customization & Flexibility (Behavior & Knowledge) |
- Build anything: multi-hop retrieval, custom logic, bespoke prompts—your pipeline, your rules.
- Create multiple datastores, add role-based filters, or pipe in external APIs as extra tools. Component templates
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Lets you tweak everything—KnowledgeBase weight, retrieval params, system prompts—for deep control.
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Encourages devs to swap embedding models or hack the pipeline code as needed.
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- Lets you add, remove, or tweak content on the fly—automatic re-indexing keeps everything current.
- Shapes agent behavior through system prompts and sample Q&A, ensuring a consistent voice and focus.
Learn How to Update Sources
- Supports multiple agents per account, so different teams can have their own bots.
- Balances hands-on control with smart defaults—no deep ML expertise required to get tailored behavior.
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| Pricing & Scalability |
- Start free in Deepset Studio, then move to usage-based Enterprise plans as you scale.
- Deploy in cloud, hybrid, or on-prem setups to handle huge corpora and heavy traffic. Pricing overview
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Free, MIT-licensed open source—no fees, but you supply the GPUs or cloud servers.
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Scaling means spinning up more hardware and managing it yourself.
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- Runs on straightforward subscriptions: Standard (~$99/mo), Premium (~$449/mo), and customizable Enterprise plans.
- Gives generous limits—Standard covers up to 60 million words per bot, Premium up to 300 million—all at flat monthly rates.
View Pricing
- Handles scaling for you: the managed cloud infra auto-scales with demand, keeping things fast and available.
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| Security & Privacy |
- SOC 2 Type II, ISO 27001, GDPR, HIPAA—you’re covered for enterprise compliance.
- Choose cloud, VPC, or on-prem to keep data exactly where you need it. Security compliance
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Entirely local: all docs and chat data stay on your own machine—great for sensitive use cases.
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No built-in auth or enterprise security—lock things down in your own deployment setup.
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- Protects data in transit with SSL/TLS and at rest with 256-bit AES encryption.
- Holds SOC 2 Type II certification and complies with GDPR, so your data stays isolated and private.
Security Certifications
- Offers fine-grained access controls—RBAC, two-factor auth, and SSO integration—so only the right people get in.
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| Observability & Monitoring |
- Deepset Studio dashboard shows latency, error rates, resource use—everything you’d expect.
- Detailed logs integrate with Prometheus, Splunk, and more for deep observability. Monitoring features
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An “Analysis” tab shows which docs were pulled and how the query was built; logs print to the console.
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No fancy dashboard—add your own logging or monitoring if you need broader stats.
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- Comes with a real-time analytics dashboard tracking query volumes, token usage, and indexing status.
- Lets you export logs and metrics via API to plug into third-party monitoring or BI tools.
Analytics API
- Provides detailed insights for troubleshooting and ongoing optimization.
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| Support & Ecosystem |
- Lean on the Haystack open-source community (Discord, GitHub) or paid enterprise support. Community insights
- Wide ecosystem of vector DBs, model providers, and ML tools means plenty of plug-ins and extensions.
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Open-source on GitHub; support is community-driven via issues and lightweight docs.
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Smaller ecosystem: you’re free to fork or extend, but there’s no paid SLA or enterprise help desk.
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- Supplies rich docs, tutorials, cookbooks, and FAQs to get you started fast.
Developer Docs
- Offers quick email and in-app chat support—Premium and Enterprise plans add dedicated managers and faster SLAs.
Enterprise Solutions
- Benefits from an active user community plus integrations through Zapier and GitHub resources.
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| Additional Considerations |
- Perfect for teams that need heavily customized, domain-specific RAG solutions.
- Full control and future portability—but expect a steeper learning curve and more dev effort. More details
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Great for offline / on-prem labs where data never leaves the server—perfect for tinkering.
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Takes more hands-on upkeep and won’t match proprietary giants in sheer capability out of the box.
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- Slashes engineering overhead with an all-in-one RAG platform—no in-house ML team required.
- Gets you to value quickly: launch a functional AI assistant in minutes.
- Stays current with ongoing GPT and retrieval improvements, so you’re always on the latest tech.
- Balances top-tier accuracy with ease of use, perfect for customer-facing or internal knowledge projects.
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| No-Code Interface & Usability |
- Deepset Studio offers low-code drag-and-drop, yet it’s still aimed at developers and ML engineers.
- Non-tech users may need help, and production UIs will be custom-built.
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Basic Gradio UI is developer-focused; non-tech users might find the settings overwhelming.
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No slick, no-code admin—if you need polish or branding, you’ll build your own front end.
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- Offers a wizard-style web dashboard so non-devs can upload content, brand the widget, and monitor performance.
- Supports drag-and-drop uploads, visual theme editing, and in-browser chatbot testing.
User Experience Review
- Uses role-based access so business users and devs can collaborate smoothly.
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Deepset
SimplyRetrieve
CustomGPT