Alternatives to Haystack (deepset)
Haystack (deepset) and 2 alternative tools evaluated on the Tekai technology radar.
Haystack (deepset)
SubjectOpen-source Python AI orchestration framework by deepset for building production-ready LLM applications, RAG pipelines, and agent workflows with modular pipeline architecture; 24k+ GitHub stars with enterprise customers including Airbus, Netflix, and NVIDIA.
open-source Apache-2.0
Alternatives
LlamaIndex
Open-source MIT-licensed data framework for building RAG and document agent applications on top of LLMs, with 38k+ GitHub stars, built-in evaluation utilities, and a commercial cloud platform; $19M Series A in March 2025.
open-source MIT
LangChain
Open-source framework and commercial platform for building LLM-powered applications and stateful agent workflows.
vendor MIT (core libraries) / Commercial (LangSmith, LangGraph Cloud)
Comparison Summary
| Tool | Radar | Type | License |
|---|---|---|---|
| Haystack (deepset) | trial | open-source | Apache-2.0 |
| LlamaIndex | trial | open-source | MIT |
| LangChain | trial | vendor | MIT (core libraries) / Commercial (LangSmith, LangGraph Cloud) |