Haystack vs LlamaIndex
No clear leader: LlamaIndex (66.3) and Haystack (64.9) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for mlops & llmops tools. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Haystack
A Python-based orchestration tool for creating and deploying intelligent applications powered by language models. Developers assemble reusable components (data retrieval, model integration, tool execution) into customizable workflows, from question-answering systems to multi-step autonomous agents, deployable on private infrastructure or in the cloud.
LlamaIndex
LlamaParse is a cloud-based document parsing platform that uses vision language models and intelligent agents to automatically process complex documents—including PDFs, images, and office files—with support for layout detection, multi-modal content, and 80+ languages. It transforms document ingestion workflows with agentic extraction and indexing capabilities.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Haystack
Free open-source core with commercial enterprise options
- Open SourceFree
- Enterprise StarterContact sales
- Enterprise PlatformContact sales
LlamaIndex
Free tier with 10K monthly credits; pay-as-you-go starting at $50/month. Credit pricing: 1,000 credits = $1.25.
- FreeFree
- Basic parsing
- Up to 130+ file formats
- File upload only
- Community support
- Starter$50/month up to 400K credits
- Multiple parse tiers (Cost Effective, Agentic, Agentic Plus)
- Auto Mode smart tier routing
- Advanced table and chart extraction
- Structured JSON output
- Extraction agents
- +3 more
- Pro$500/month up to 4M credits
- All Starter features
- Classification & splitting
- Sheets (spreadsheet data extraction)
- Agents Builder
- External data sources
- +3 more
- EnterpriseContact sales
- Volume discount on credits
- 5x higher rate limits
- Enterprise SSO
- SaaS or Hybrid cloud deployment
- Dedicated account manager
- +1 more
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Haystack
- OpenAI
- Anthropic
- Mistral
- Hugging Face
- Weaviate
- Pinecone
- Elasticsearch
- AstraDB
- Apify
- ReadMe
- Azure OpenAI
- Datadog
- OpenTelemetry
- SerperDev
- SearchApi
- Cohere
- AWS Bedrock
- FAISS
- AWS SageMaker
- OpenSearch
- Google Colab
- MCP servers
LlamaIndex
- AWS
- Microsoft Azure
- GitHub
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.