Epsilla
Effortlessly streamline data management and content generation tasks.. [Freemium]
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What is Epsilla?
Epsilla is an all-in-one Agent-as-a-Service platform for building vertical AI agents powered by your private data and knowledge. It is a no-code RAG-as-a-Service platform that simplifies deploying AI agents from concept to production with a drag-and-drop interface, built-in Retrieval-Augmented Generation capabilities, and zero infrastructure complexity. The platform caters to domain professionals, GenAI builders, and enterprises across industries like manufacturing, healthcare, legal services, financial services, education, research management, customer support, and publishing.
Key features include a no-code AI agent builder with drag-and-drop interface, comprehensive agent and chatbot management tools for monitoring and optimizing performance, enterprise-grade multi-tenancy with granular permissions, flexible deployment options (managed SaaS, on-premise, private cloud), access control at project and application levels, input and output guardrails for safety and compliance, query rewriting techniques (history-based rewriting, subqueries, multi-perspective queries), advanced retrieval methods like HyDE and reranking, customer chat history storage, user feedback integration, and a high-performance open-source vector database with parallel graph traversal technology delivering 10x faster query latency.
Epsilla is ideal for non-technical teams who want to build meaningful AI services around knowledge bases, enterprises needing to scale AI solutions without engineering overhead, data scientists fine-tuning RAG workflows, and organizations requiring domain-specific chatbots with private data. Users can create personal AI assistants, AI financial analysts, AI lawyer assistants, AI customer support agents, AI tutors, and industry-specific vertical agents without writing code.
Epsilla pricing
Pricing model: Freemium
Free Tier: $0/month, no credit card required, includes 1 team member, 1 project, 1 AI application, 1 knowledge base, 10M vector storage, 50 messages/month powered by GPT-4.1, community support, data cleared after 30 days inactivity. Starter Tier: $29/month billed monthly, 2 team members, 1 project, 5 AI applications, 5 knowledge bases, 1GB vector storage, 500 messages/month powered by GPT-4.1, email support. Professional Tier: $249/month billed monthly, 20 team members, 10 projects, 50 AI applications, 50 knowledge bases, 10GB vector storage, 5000 messages/month powered by GPT-4.1, dedicated support channel. AI Concierge: $2,499/month billed monthly, includes everything in Professional plus fractional forward deployed AI engineer, done-for-you AI agent and workflow build-out, domain-to-AI enablement, weekly strategy calls, custom integration support, priority support, ongoing optimization. Enterprise Tier: Custom/month, customizable billing cycles, unlimited team members/projects/AI applications/knowledge bases/vector storage/messages, any LLM provider, extensive white-labeling, SSO (SAML and OIDC), on-premise deployment, consulting and customization, premium support with SLAs. Add-ons: Team Member $12/seat/month, AI Application $2/application/month, Knowledge Base $2/knowledge base/month, Vector Storage $18/GB/month, Messages $3/100 messages/month, Remove 'Powered By Epsilla' $39/month.
Epsilla pros
- No-code drag-and-drop interface for building AI agents
- Zero infrastructure complexity with Agent-as-a-Service platform
- Built-in RAG-as-a-Service with no infrastructure required
- 10x faster query latency compared to competitors like Qdrant and Milvus
- 5x higher throughput within 95%-99% precision range
- Supports any LLM provider including GPT, Claude, Gemini, Llama, Mistral
- Enterprise-grade multi-tenancy with granular permissions and access controls
- Flexible deployment: managed SaaS, on-premise, or private cloud
- Input guardrails for PII anonymization, toxicity detection, topic restriction
- Output guardrails to prevent hallucinations and brand-reputational risks
- Advanced retrieval techniques: HyDE, query routing, reranking with RRF/RSF/DBSF
- Query rewriting with history-based context, subqueries, and multi-perspective generation
- Comprehensive analytics dashboard with chat history and user feedback tracking
- Supports multiple data sources: Notion, Google Drive, websites, local files, object buckets
- Serverless cloud architecture with dynamic scaling to match elastic traffic
- 10M vector storage included in free tier, no credit card required
- Active community support via Discord and responsive team
- Custom branding with colors, logos, and visual element customization
- Data versioning, backup, restore, monitoring, and alerting built-in
- API available for integrating into custom UIs alongside ready-made UI
Epsilla cons
- Free tier limited to 50 messages per month
- Free tier data cleared after 30 days of inactivity
- Free tier Only 1 team member, 1 project, 1 AI application, 1 knowledge base
- Starter tier only 1GB vector storage which may be insufficient for large datasets
- Vector storage add-on expensive at $18 per GB per month
- Message add-on costs $3 per 100 messages which adds up quickly
- Remove 'Powered By Epsilla' branding costs extra $39 per month
- Starter and Professional tiers limited to GPT-4.1 only, Enterprise needed for any LLM
- No explicit API rate limits mentioned which could affect high-concurrency use
- Self-serve plans require downgrading manually, no automatic scaling
- On-premise deployment only available in Enterprise tier (custom pricing)
- Learning curve for advanced features like query decomposition and RAG fusion
- Limited documentation on custom workflow node creation for non-developers
- Email support only on Starter tier, no phone support mentioned
- Fractional AI engineer only in AI Concierge tier at $2,499/month
Frequently asked questions about Epsilla
Who can use Epsilla?
Epsilla caters to professionals from various industries including domain professionals who want to build AI agents without writing code, GenAI builders looking for deeper customization with workflows and prompts, and enterprises ready to scale with enterprise-level infrastructure, security, and scalability. It is designed for non-technical teams to build meaningful AI services around knowledge bases as well as data scientists fine-tuning RAG workflows.
Can I try Epsilla for free?
Yes, users can sign up for a free account with no credit card required. The Free Tier includes 1 team member, 1 project, 1 AI application, 1 knowledge base, 10M vector storage, 50 messages per month powered by GPT-4.1, and community support. The free tier allows users to create and manage AI applications without coding, though data is cleared after 30 days of inactivity.
What data sources can I connect to Epsilla?
Epsilla supports multiple data sources including Notion, Google Drive, websites and webpages (with crawling capability), local file uploads, object buckets, and network storage. Users can manually enter single webpage URLs, crawl webpages for subpages, or add multiple webpages at once separated by new lines. The platform optimizes both speed and cost of data ingestion for hundreds of thousands of files.
Do I need coding skills to use Epsilla?
No, Epsilla is a no-code platform with a drag-and-drop interface that makes it simple for anyone on your team to build sophisticated AI agents without writing a single line of code. The platform empowers professionals to build and scale AI solutions without needing advanced technical skills, though GenAI builders can access deeper customization options if desired.
What is the performance of Epsilla's vector database?
Epsilla's vector database delivers up to 10x faster query latency compared to competitors like Qdrant, Weaviate, and Milvus, and achieves up to 5x higher throughput within a 95%-99% precision range. It uses parallel graph traversal technology with a BSP model for vector search, alternating between local exploration stages with parallel workers and global synchronization stages for optimal performance.
How does Epsilla handle data security and access control?
Epsilla provides detailed access control at both project and application levels. Administrators can decide who has access to each project and specify permissions for each user. At the application level, users can publish applications with varying access levels. The system ensures only authorized individuals can view or interact with sensitive data, minimizing risks of data breaches and unauthorized access through granular multi-tenancy.
What LLM providers does Epsilla support?
Epsilla takes a vendor-agnostic approach supporting both open-source and closed-source LLMs. Users can integrate proprietary models like GPT, Claude, and Gemini, as well as open-source alternatives like Llama and Mistral. The Free, Starter, and Professional tiers are powered by GPT-4.1, while the Enterprise tier allows any LLM provider.
How does Epsilla improve retrieval accuracy in RAG systems?
Epsilla leverages advanced techniques including Hypothetical Document Embeddings (HyDE) to bridge misalignment between questions and documents, query routing to direct queries to appropriate sub-workflows, rerankers (RRF, RSF, DBSF, Jina, Cohere) to refine document rankings, query rewriting based on history, subquery decomposition for complex queries, and RAG Fusion for multi-perspective query generation to expand retrieval matches.
What support options are available with Epsilla?
Support varies by tier: Free Tier includes community support via Discord Channel and email at [email protected]. Starter Tier includes email support. Professional Tier includes dedicated support channel. AI Concierge includes priority support channel and ongoing optimization. Enterprise Tier includes premium support with SLAs. Users can also chat via the Help Me chatbox on the website or access documentation.
Can I deploy Epsilla on-premise for security compliance?
Yes, Epsilla offers flexible deployment options including managed SaaS, on-premise installation, and private cloud deployment to meet specific security and compliance requirements. However, on-premise deployment options are only available in the Enterprise tier with custom pricing, which also includes extensive white-labeling, SSO (SAML and OIDC), and consulting/customization services.