--- title: "langcorn vs langchain-chat-websockets" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/msoedov-langcorn-vs-pors-langchain-chat-websockets" tools: ["msoedov-langcorn", "pors-langchain-chat-websockets"] --- # langcorn vs langchain-chat-websockets *GraphCanon updated Aug 21, 2026* ## Verdict Pick langcorn if langCorn is a tool that serves LangChain LLM apps and agents with FastApi; pick langchain-chat-websockets if async live chat with streaming responses over websockets using FastAPI and OpenAI API. [langcorn](https://langcorn.vercel.app/docs) reports 938 GitHub stars, 69 forks, and 21 open issues, last pushed Jul 15, 2024. [langchain-chat-websockets](https://github.com/pors/langchain-chat-websockets) has 96 stars, 8 forks, and 3 open issues, last pushed Nov 30, 2023. Figures are from public GitHub metadata via [langcorn's repository](https://github.com/msoedov/langcorn) and [langchain-chat-websockets's repository](https://github.com/pors/langchain-chat-websockets). | | [langcorn](/tools/msoedov-langcorn.md) | [langchain-chat-websockets](/tools/pors-langchain-chat-websockets.md) | | --- | --- | --- | | Tagline | Serving LangChain LLM apps and agents automagically with FastApi | LangChain LLM chat with streaming response over websockets | | Stars | 938 | 96 | | Forks | 69 | 8 | | Open issues | 21 | 3 | | Language | Python | HTML | | Adopt for | LangCorn is a tool that serves LangChain LLM apps and agents with FastApi. | Async live chat with streaming responses over websockets using FastAPI and OpenAI API. | | Persona | - | - | | Runtime | - | - | | License | MIT | Apache-2.0 | | Categories | Inference & Serving | Inference & Serving, LLM Frameworks | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [langcorn](/tools/msoedov-langcorn.md) | [langchain-chat-websockets](/tools/pors-langchain-chat-websockets.md) | | --- | --- | --- | | Days since push | 766d | 988d | | Open issues (now) | 21 | 3 | | Stars delta | 0 (30d) | -1 (30d) | | Full report | [trust report](/tools/msoedov-langcorn/trust.md) | [trust report](/tools/pors-langchain-chat-websockets/trust.md) | ## Shared compatibility - **LangChain**: [langcorn](/tools/msoedov-langcorn.md) - LangChain integration; [langchain-chat-websockets](/tools/pors-langchain-chat-websockets.md) - LangChain integration ## Decision facts: langcorn - **Adopt for:** LangCorn is a tool that serves LangChain LLM apps and agents with FastApi. ## Decision facts: langchain-chat-websockets - **Adopt for:** Async live chat with streaming responses over websockets using FastAPI and OpenAI API. ## Choose when ### Choose langcorn if… - langcorn is primarily Python; langchain-chat-websockets is HTML. - License: langcorn is MIT, langchain-chat-websockets is Apache-2.0. - Tags unique to langcorn: api, large language models, llm, rest-api. - When you are deploying applications built with Large Language Models (LLMs) like OpenAI. ### Choose langchain-chat-websockets if… - langchain-chat-websockets is primarily HTML; langcorn is Python. - License: langchain-chat-websockets is Apache-2.0, langcorn is MIT. - Tags unique to langchain-chat-websockets: async, websockets. - Also covers LLM Frameworks. - langchain-chat-websockets ships Docker support for self-hosted deployment. - Need async, real-time chat response functionality integrated via websocket connections. ## When NOT to use langcorn - When you require a framework other than FastAPI for your deployment needs. - If you are looking for broader support beyond LangChain-compatible projects. - In cases where minimal integration with the current infrastructure is not acceptable, as LangCorn requires specific adaptation steps. ## When NOT to use langchain-chat-websockets - Project doesn't require asynchronous interaction or streaming responses over websockets. - Prefer alternatives that allow customization beyond FastAPI and OpenAI integration. ## Common questions ### What is the difference between langcorn and langchain-chat-websockets? langcorn: Serving LangChain LLM apps and agents automagically with FastApi. langchain-chat-websockets: LangChain LLM chat with streaming response over websockets. See the comparison table for live GitHub stats and shared categories. ### When should I choose langcorn over langchain-chat-websockets? Choose langcorn over langchain-chat-websockets when langcorn is primarily Python; langchain-chat-websockets is HTML; License: langcorn is MIT, langchain-chat-websockets is Apache-2.0; Tags unique to langcorn: api, large language models, llm, rest-api; When you are deploying applications built with Large Language Models (LLMs) like OpenAI. ### When should I choose langchain-chat-websockets over langcorn? Choose langchain-chat-websockets over langcorn when langchain-chat-websockets is primarily HTML; langcorn is Python; License: langchain-chat-websockets is Apache-2.0, langcorn is MIT; Tags unique to langchain-chat-websockets: async, websockets; Also covers LLM Frameworks; langchain-chat-websockets ships Docker support for self-hosted deployment; Need async, real-time chat response functionality integrated via websocket connections. ### When should I avoid langcorn? When you require a framework other than FastAPI for your deployment needs. If you are looking for broader support beyond LangChain-compatible projects. In cases where minimal integration with the current infrastructure is not acceptable, as LangCorn requires specific adaptation steps. ### When should I avoid langchain-chat-websockets? Project doesn't require asynchronous interaction or streaming responses over websockets. Prefer alternatives that allow customization beyond FastAPI and OpenAI integration. ### Is langcorn or langchain-chat-websockets more popular on GitHub? langcorn has more GitHub stars (938 vs 96). Stars measure visibility, not whether either tool fits your constraints. ### Are langcorn and langchain-chat-websockets open source? Yes - both are open-source projects on GitHub (langcorn: MIT, langchain-chat-websockets: Apache-2.0). ### Where can I find alternatives to langcorn or langchain-chat-websockets? GraphCanon lists graph-backed alternatives at [langcorn alternatives](/tools/msoedov-langcorn/alternatives) and [langchain-chat-websockets alternatives](/tools/pors-langchain-chat-websockets/alternatives) ([langcorn markdown twin](/tools/msoedov-langcorn/alternatives.md), [langchain-chat-websockets markdown twin](/tools/pors-langchain-chat-websockets/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/msoedov-langcorn-vs-pors-langchain-chat-websockets.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, langcorn or langchain-chat-websockets? langcorn: Dormant. langchain-chat-websockets: Dormant. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for langcorn and langchain-chat-websockets? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [langcorn trust report](/tools/msoedov-langcorn/trust); [langchain-chat-websockets trust report](/tools/pors-langchain-chat-websockets/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=msoedov-langcorn`](/api/graphcanon/graph?tool=msoedov-langcorn) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_