deepset-ai /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.
- Stars
- 26,914 stars
- Forks
- 3,385 forks
- Language
- Python
- License
- APACHE-2.0
- Created
- Nov 14, 2019
- Last push
- Nov 2, 2026
- Updated
- Nov 2, 2026
- semantic-search
- information-retrieval
- ai
- python
- large-language-models
- generative-ai
- llm
- rag
- retrieval-augmented-generation
- agents
- orchestration
- agent-framework
- agentic-ai
- agentic-rag
- ai-agents
- context-engineering
- framework
- genai
- mcp
- multi-agent
In the Repository Index from the Seed Dataset since Oct 22, 2026.
Star History
192 days recorded, Apr 26, 2026 – Nov 3, 2026 (UTC). Net change +2,111 stars.
Apr 26, 2026Nov 3, 2026
Apr 26, 2026Nov 3, 2026
Observations
What the Repository Host reported each day.
| Day (UTC) | Stars | Forks | Last push | Archived |
|---|---|---|---|---|
| Nov 3, 2026 | 26,914 | 3,385 | Nov 2, 2026 | No |
| Nov 2, 2026 | 26,902 | 3,381 | Oct 31, 2026 | No |
| Nov 1, 2026 | 26,896 | 3,377 | Oct 31, 2026 | No |
| Oct 31, 2026 | 26,892 | 3,368 | Oct 30, 2026 | No |
| Oct 30, 2026 | 26,878 | 3,360 | Oct 29, 2026 | No |
| Oct 29, 2026 | 26,872 | 3,354 | Oct 28, 2026 | No |
| Oct 28, 2026 | 26,861 | 3,349 | Oct 27, 2026 | No |
| Oct 27, 2026 | 26,849 | 3,346 | Oct 26, 2026 | No |
| Oct 26, 2026 | 26,842 | 3,341 | Oct 24, 2026 | No |
| Oct 25, 2026 | 26,829 | 3,335 | Oct 24, 2026 | No |
| Oct 24, 2026 | 26,818 | 3,332 | Oct 23, 2026 | No |
| Oct 23, 2026 | 26,814 | 3,324 | Oct 22, 2026 | No |
| Oct 22, 2026 | 26,812 | 3,322 | Oct 22, 2026 | No |