A agentindex
Comparison

Cloudflare Agents SDK vs LangChain

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

Cloudflare Agents SDK

Stateful agents on Cloudflare Workers.

  • + Stateful agents on serverless edge
  • + Durable Objects give durable execution and alarms
  • − Cloudflare-locked runtime
  • − Newer mental model to learn

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
Spec Cloudflare Agents SDK LangChain
Role Agent framework Agent framework
Tags agent-framework, hosted, orchestration, persona-solo-builder, persona-platform-engineer agent-framework, library, orchestration, persona-solo-builder, persona-platform-engineer
License Apache-2.0 MIT
Open source Yes Yes
Self-hostable No Yes
MCP support Yes Yes
Pricing usage free
Price Free tier Free
Usage cost Metered BYOK
Models claude, gpt, gemini, byok byok
Languages typescript python, typescript
GitHub stars 5.2k 140.9k
Last activity 2026-07-03 2026-07-01