LangChain vs Lyzr

LangChain

The default starting point for agent development: no other framework matches its integration catalog, documentation volume or hiring-market familiarity. The catch is churn and depth — major versions have repeatedly rewritten core APIs, and once you need observability or managed deployment you are steered toward the paid LangSmith platform.

Pros

• +Integrations for 1,000+ models, tools, vector stores and databases
• +MIT license with a large contributor community
• +LangGraph runtime adds persistence, rewind and human-in-the-loop control
• +Python and JavaScript keep parity for most features

Cons

• −History of breaking API changes between major versions
• −Layers of abstraction complicate debugging versus direct SDK calls
• −Production observability and deployment funnel into commercial LangSmith

Lyzr

Lyzr has moved from per-run billing to an enterprise contract: building agents is free, but running them in production starts at $100K a year, which buys software plus engineers who help get the agents working. The control plane over agents built elsewhere - Copilot, Bedrock, LangGraph - is still the part that sets it apart from another framework. For anyone short of a six-figure agent budget it is a free sandbox, not a production option.

Pros

• +Building and testing agents is free with no time limit
• +Control plane governs agents built on Copilot, Bedrock, LangGraph and other stacks alike
• +Production plan includes forward-deployed engineers, not just software
• +Runs hosted by Lyzr, in your own cloud or on-premises
• +No markup on model tokens: you bring your own provider

Cons

• −Production entry price is $100K a year, out of reach for small teams
• −No self-serve paid tier between the free builder and the enterprise contract
• −Governance tier is priced only through sales
• −Model spend is still a separate bill with your provider

Is LangChain cheaper than Lyzr?

LangChain is free to use; Lyzr starts at $100000/yr.

Does LangChain or Lyzr have a free tier?

Both: LangChain is free to use, and Lyzr has a free tier.

Which has a public API, LangChain or Lyzr?

Lyzr ships a public API, as of our last verification. A public API for LangChain is not confirmed by us — check its developer docs before you plan an integration.