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Haystack Agents
by deepset
End-to-end NLP framework with agent capabilities
Haystack is an open-source NLP framework for building production-ready applications with LLMs, transformers, and vector search. Its agent system enables complex decision-making and tool use within flexible pipeline architectures.
Ease of Use
7/10
Community
8/10
Performance
8/10
Documentation
8/10
🎯 Key Features
Pipeline-based architecture
Agent nodes with tools
Conversational agents
Custom component creation
Production deployment tools
Evaluation framework
REST API generation
Document stores
Strengths
Mature and production-tested
Excellent pipeline flexibility
Strong NLP capabilities
Good evaluation tools
Enterprise support available
REST API generation
Limitations
Steeper learning curve
More complex setup
Pipeline paradigm can be verbose
Smaller agent-specific community
Best For
- NLP-heavy applications
- Production RAG systems
- Custom pipeline requirements
- Teams needing evaluation tools
- Enterprise deployments
Not Recommended For
- Simple chatbots
- Rapid prototyping
- Beginners to NLP
- Non-pipeline architectures