parlant vs langchain
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
| parlant | langchain | |
|---|---|---|
| Tagline | An interaction control harness optimized for controlled, consistent, and predictable LLM interactions for building reliable customer-facing AI agents. | The agent engineering platform. |
| Stars | 18k | 141k |
| Forks | 1.5k | 23k |
| Open issues | 41 | 405 |
| Language | Python | Python |
| License | Apache-2.0 | MIT |
| Last pushed | Jun 30, 2026 | Jul 7, 2026 |
| Categories | AI Agents | AI Agents |
parlant
Parlant offers a framework designed to streamline the development of enterprise-grade B2C and sensitive B2B interactions that require consistency, compliance, brand alignment, and traceability. It is built with Python and provides a controlled environment for interacting with large language models (LLMs).
Python
langchain
LangChain is an open-source framework for building agents and LLM-powered applications. It aids in chaining interoperable components and third-party integrations to simplify AI application development.
Python