AgentComparison
Separate the tool types

Developer frameworks

A framework is not a finished assistant. Your team implements runtime, model access, permissions, tests and operational controls.

Documentation researched only. Pricing and eligibility vary by plan, region and workload; unresolved details are explicit. Performance has not been tested.

framework ยท agent orchestration framework

LangGraph

LangChain documents LangGraph as a low-level runtime for long-running stateful agents, including durable execution and human-in-the-loop support.

Documentation researched

Pricing: Open-source framework; model, hosting and LangSmith costs are separate

Best fit: Developers implementing stateful agent workflows.

Before choosing

Define success, the access you will grant, the approval points and how you will detect a failed task. A like-for-like decision needs those constraints before it needs a ranking.

Read the evidence method