Haystack vs Langflow

Side-by-side comparison of Haystack and Langflow: pricing, features, API access, and community ratings.

AI comparison summary

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	Haystack The open-source AI framework for production-ready agents, RAG & context engineering Visit	Langflow Low-code AI builder for agentic and RAG applications Visit
Category	Agent frameworks	Agent frameworks
Pricing	Freemium	Freemium
Starting price
Free tier
Audience	Technical	All audiences
API available
Open source
Self-hostable
Model provider	Multiple (OpenAI, Anthropic, Mistral, Hugging Face, and more)	Multiple (supports all major LLMs including Anthropic, Meta, Mistral, NVIDIA, Ollama, OpenAI, Amazon Bedrock, Groq, HuggingFace, Perplexity)
Founded	2019	2023
Headquarters	Berlin, Germany
Key strengths	·Modular, composable pipeline architecture ·No vendor lock-in with broad integrations ·Production-ready with Kubernetes support and observability ·Open-source with Apache 2.0 license	·Visual low-code flow builder with drag-and-drop interface ·Supports all major LLMs and vector databases ·Deploy as OSS (self-hosted) or free enterprise-grade cloud ·Python customization under the hood