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Haystack vs Dify

HaystackDify

Bottom line: Haystack for teams building production RAG and search; Dify for teams building LLM apps and agents quickly.

deepset's composable open-source framework for RAG and agent pipelines.

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Open-source platform for building production-ready LLM apps and agents.

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Votes00
PricingFreemiumFreemium
CategoryCodingCoding
Tags
ragllm-frameworkopen-sourcesearchpipelines
llmopsopen-sourceai-agentsragworkflow
Best for
  • Teams building production RAG and search
  • Enterprises wanting self-hostable NLP pipelines
  • Developers who prefer explicit, typed pipelines
  • Teams building LLM apps and agents quickly
  • Organizations with data-residency needs
  • Developers who want an open-source, self-hostable stack
Pros
  • Composable, typed pipeline model is clear and flexible
  • Apache-2.0 core, free to self-host with no lock-in
  • Strong retrieval and search heritage
  • Broad integrations with model and vector stores
  • Built-in evaluation tooling
  • Genuinely open-source and self-hostable for strong data control
  • All-in-one: workflow, RAG, agents, and prompt IDE in one workspace
  • Low-code visual canvas lowers the barrier to building
  • Broad model and provider support, including self-hosted models
  • Large, active community and a marketplace ecosystem
Cons
  • Engineering framework, not a turnkey app
  • Managed deepset pricing is largely quote-based
  • 2.x rewrite means older 1.x tutorials are outdated
  • Skews toward retrieval more than general agents
  • Requires pipeline-design comfort
  • License is not fully permissive; multi-tenant resale and branding removal are prohibited
  • Real cost is dominated by separate LLM token spend, not the platform fee
  • Message-credit model on paid tiers can feel limiting at scale
  • Self-hosting adds ops and maintenance burden
  • Free tier's one-time credits are essentially a demo allowance

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