A agentindex
Comparison

LangChain vs AWS Strands Agents

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

LangChain

The broad framework for LLM applications and agents.

  • + Largest ecosystem of integrations
  • + Mature and battle-tested
  • − Broad, sometimes leaky abstractions
  • − Agent orchestration has moved to LangGraph

AWS Strands Agents

AWS's model-driven, open-source agent SDK.

  • + Model-driven design keeps agents concise
  • + Tight AWS Bedrock and observability integration
  • − Leaned toward the AWS ecosystem
  • − Smaller community than LangGraph/CrewAI
Spec LangChain AWS Strands Agents
Role Agent framework Agent framework
Tags agent-framework, library, orchestration agent-framework, library, orchestration
License MIT Apache-2.0
Open source Yes Yes
Self-hostable Yes Yes
MCP support Yes Yes
Pricing free free
Starting price BYOK usage cost BYOK usage cost
Models byok byok
Languages python, typescript python
GitHub stars 140.3k 6.3k
Last activity 2026-06-26 2026-06-26