DSPy vs Haystack

Side-by-side comparison of DSPy and Haystack: pricing, features, API access, and community ratings.

AI comparison summary

Generating comparison…

	DSPy The framework for programming—not prompting—language models Visit	Haystack The open-source AI framework for production-ready agents, RAG & context engineering Visit
Category	Agent frameworks	Agent frameworks
Pricing	Free	Freemium
Starting price	Free
Free tier
Audience	All audiences	Technical
API available
Open source
Self-hostable
Model provider		Multiple (OpenAI, Anthropic, Mistral, Hugging Face, and more)
Founded	2022	2019
Headquarters		Berlin, Germany
Key strengths	·Programming (not prompting) language models ·Modular AI system composition in Python ·Automatic prompt and weight optimization ·Supports RAG pipelines, classifiers, and agent loops	·Modular, composable pipeline architecture ·No vendor lock-in with broad integrations ·Production-ready with Kubernetes support and observability ·Open-source with Apache 2.0 license