DSPy vs LangGraph

Pick two tools from the same category to compare side-by-side.

	DSPy Open-source Python framework for programming, rather than prompting, language models.	LangGraph Graph-based agent orchestration framework from the LangChain team.
Category	framework	framework
Vendor type	open source	hybrid
Pricing	free	freemium
Strengths	+ Declarative, modular programs replace brittle prompt strings + Automatic prompt optimization against a defined metric + Portable across models and providers (uses LiteLLM under the hood) + Research-backed, with an active academic and OSS community	+ Explicit, debuggable graph model for complex flows + Mature Python ecosystem + Tight LangSmith integration
Tradeoffs	− Optimizer-driven workflow has a distinct learning curve − Compilation and optimization can add cost and iteration time − Less of a turnkey agent runtime than orchestration-focused frameworks	− Steeper learning curve than linear agent SDKs − LangChain abstractions are opinionated
Used in stacks	0	5