agents vs Haystack

Side-by-side comparison of two AI agent tools

Short answer

  • agents is growing faster: +1,352 GitHub stars in the last 30 days vs +318 for Haystack.
  • Pick agents for: a framework for building realtime voice AI agents. Pick Haystack for: open-source AI orchestration framework for modular RAG pipelines and agent workflows.

From GitHub data refreshed daily.

agentsopen-source

A framework for building realtime voice AI agents πŸ€–πŸŽ™οΈπŸ“Ή

Haystackopen-source

Open-source AI orchestration framework for modular RAG pipelines and agent workflows

Metrics

agentsHaystack
Stars14.5k26.6k
Star velocity /mo1.4k317.8421052631579
Commits (90d)532768
Releases (6m)1010
Downloads (30d, npm + PyPI)β€”539.6K
Overall score0.8491072261846850.7901810278193188

Pros

  • +Comprehensive multi-modal capabilities with flexible integrations for STT, LLM, TTS, and Realtime APIs in a single framework
  • +Built-in telephony integration allows agents to make and receive phone calls through LiveKit's telephony stack
  • +Advanced semantic turn detection using transformer models helps reduce interruptions and improve conversation flow
  • +Production-ready architecture with robust testing and type safety (Mypy, comprehensive test coverage)
  • +Modular pipeline design allows for flexible composition and customization of AI workflows
  • +Strong community adoption with 24,000+ GitHub stars and active development by deepset

Cons

  • -Requires server infrastructure and technical expertise to deploy and maintain realtime voice agents
  • -Complex setup with multiple integration points may have a steep learning curve for newcomers
  • -Real-time voice processing demands significant computational resources and low-latency networking
  • -Learning curve may be steep for developers new to AI orchestration frameworks
  • -Complexity might be overkill for simple LLM integration use cases

Use Cases

  • β€’Customer service automation with voice-enabled agents that can handle phone calls and web-based interactions
  • β€’Virtual assistants for healthcare or education that need to see, hear, and respond in real-time conversations
  • β€’Interactive voice response (IVR) systems that integrate with existing telephony infrastructure for business applications
  • β€’Building production RAG systems with sophisticated document retrieval and context management
  • β€’Creating AI agent workflows with explicit control over routing and decision-making processes
  • β€’Developing modular AI pipelines that require custom retrieval and context engineering components

FAQ

Which is more popular, agents or Haystack?
Haystack has more GitHub stars (26,646 vs 14,454).
Which is more actively developed, agents or Haystack?
Haystack had more commits in the last 90 days (768 vs 532).
Should I use agents or Haystack?
Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.