Haystack
Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.
Haystack scores 7.8/10 (Strong) in Agent Frameworks.
Language MDX License Apache-2.0 Stars 25.8k★ Type library Self-host Yes Repo deepset-ai/haystack Homepage https://haystack.deepset.ai
Quality
Strong 7.8
Adoption 60
Activity 88
Maturity 100
Community 62
Capability 50
Show the math
Overall 7.8/10
value = 7.8/10
score = value
Adoption 6.4/10
value = 60.3/100
score = 1 + 9 * value / 100
Activity 8.9/10
value = 88.1/100
score = 1 + 9 * value / 100
Maturity 10/10
value = 100/100
score = 1 + 9 * value / 100
Community 6.6/10
value = 62.2/100
score = 1 + 9 * value / 100
Capability 5.5/10
value = 50/100
score = 1 + 9 * value / 100
Key metrics
25.8k★ GitHub stars
464/90d Recent commits
22 devs/90d Recent contributors
6.6y Project age
active Last commit
Gotchas
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Labels
- Self-hosted
Self-hosted
You deploy and operate it yourself; there is no hosted option here.
python rag pipelines search retrieval