LangChain vs Devin

A side-by-side comparison to help you choose the right tool.

LangChain scores higher overall (84/100)

But the best choice depends on your specific needs. Compare below.

Pricing
Open-source framework; no license fee for the core project.
Free plan
Yes
Best for
Developers prototyping or shipping LLM apps quickly, Teams that want a big ecosystem of examples and integrations, Builders creating RAG or tool-using workflows
Platforms
mac, windows, linux, api
API
Yes
Languages
en
Pricing
Free Devin Review for any GitHub PR. Flexible pay-as-you-go plan at $20/month plus compute usage. Team and Enterprise plans available with custom pricing.
Free plan
Yes
Best for
Engineering teams that want to delegate well-scoped coding tasks to an autonomous agent, Developers who need a second pair of eyes on PRs via the free Devin Review feature, Startups moving fast who need an AI that can take a ticket end-to-end without supervision, Teams evaluating autonomous AI engineers alongside Copilot and Cursor
Platforms
web
API
Yes
Languages
en

Choose LangChain if:

  • You are Developers prototyping or shipping LLM apps quickly
  • You are Teams that want a big ecosystem of examples and integrations
  • You are Builders creating RAG or tool-using workflows
  • You want to start free
Read LangChain review →

Choose Devin if:

  • You are Engineering teams that want to delegate well-scoped coding tasks to an autonomous agent
  • You are Developers who need a second pair of eyes on PRs via the free Devin Review feature
  • You are Startups moving fast who need an AI that can take a ticket end-to-end without supervision
  • You want to start free
Read Devin review →

FAQ

What is the difference between LangChain and Devin?
LangChain is a widely used open-source framework for building llm apps with tools, chains, retrieval, and agent workflows. Devin is devin is an autonomous ai software engineer by cognition ai that plans, codes, debugs, and deploys across full codebases in a cloud-based ide. devin 2.0 introduced parallel agents, a $20/month plan, and a free code review tool for any github pr.
Which is cheaper, LangChain or Devin?
LangChain: Open-source framework; no license fee for the core project.. Devin: Free Devin Review for any GitHub PR. Flexible pay-as-you-go plan at $20/month plus compute usage. Team and Enterprise plans available with custom pricing.. LangChain has a free plan. Devin has a free plan.
Who is LangChain best for?
LangChain is best for Developers prototyping or shipping LLM apps quickly, Teams that want a big ecosystem of examples and integrations, Builders creating RAG or tool-using workflows.
Who is Devin best for?
Devin is best for Engineering teams that want to delegate well-scoped coding tasks to an autonomous agent, Developers who need a second pair of eyes on PRs via the free Devin Review feature, Startups moving fast who need an AI that can take a ticket end-to-end without supervision, Teams evaluating autonomous AI engineers alongside Copilot and Cursor.