--- title: "Langchain-Chatchat vs quelmap" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/chatchat-space-langchain-chatchat-vs-quelmap-inc-quelmap" tools: ["chatchat-space-langchain-chatchat", "quelmap-inc-quelmap"] --- # Langchain-Chatchat vs quelmap *GraphCanon updated Sep 20, 2026* ## Verdict Pick Langchain-Chatchat if langchain-Chatchat is a local knowledge-based application that integrates RAG and Agent functionalities using Langchain and various language models like ChatGLM, Qwen, and Llama; pick quelmap if quelmap is an open-source tool designed for performing data analysis locally utilizing AI agents. [Langchain-Chatchat](https://github.com/chatchat-space/Langchain-Chatchat) reports 39k GitHub stars, 6.3k forks, and 26 open issues, last pushed Nov 10, 2025. [quelmap](https://quelmap.com) has 200 stars, 21 forks, and 4 open issues, last pushed Oct 20, 2025. Figures are from public GitHub metadata via [Langchain-Chatchat's repository](https://github.com/chatchat-space/Langchain-Chatchat) and [quelmap's repository](https://github.com/quelmap-inc/quelmap). | | [Langchain-Chatchat](/tools/chatchat-space-langchain-chatchat.md) | [quelmap](/tools/quelmap-inc-quelmap.md) | | --- | --- | --- | | Tagline | Local knowledge-based LLM RAG and Agent app with Langchain | Open Source Local Data Analysis Assistant | | Stars | 38,644 | 200 | | Forks | 6,265 | 21 | | Open issues | 26 | 4 | | Language | Python | TypeScript | | Adopt for | Langchain-Chatchat is a local knowledge-based application that integrates RAG and Agent functionalities using Langchain and various language models like ChatGLM, Qwen, and Llama. | Quelmap is an open-source tool designed for performing data analysis locally utilizing AI agents. | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | Apache-2.0 | | Categories | AI Agents, Data & Retrieval, LLM Frameworks | AI Agents, Data & Retrieval | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [Langchain-Chatchat](/tools/chatchat-space-langchain-chatchat.md) | [quelmap](/tools/quelmap-inc-quelmap.md) | | --- | --- | --- | | Days since push | 311d | 334d | | Open issues (now) | 26 | 4 | | Stars delta | +122 (30d) | -2 (30d) | | Open issues delta | +1 (30d) | 0 (30d) | | Full report | [trust report](/tools/chatchat-space-langchain-chatchat/trust.md) | [trust report](/tools/quelmap-inc-quelmap/trust.md) | ## Decision facts: Langchain-Chatchat - **Adopt for:** Langchain-Chatchat is a local knowledge-based application that integrates RAG and Agent functionalities using Langchain and various language models like ChatGLM, Qwen, and Llama. ## Decision facts: quelmap - **Adopt for:** Quelmap is an open-source tool designed for performing data analysis locally utilizing AI agents. ## Choose when ### Choose Langchain-Chatchat if… - Langchain-Chatchat is primarily Python; quelmap is TypeScript. - Tags unique to Langchain-Chatchat: chatbot, chatchat, chatglm, chatgpt. - Also covers LLM Frameworks. - When you need a local deployment of a knowledge-based application that supports multiple language models including ChatGLM, Qwen, and Llama. ### Choose quelmap if… - quelmap is primarily TypeScript; Langchain-Chatchat is Python. - Tags unique to quelmap: data-analysis, local-ai-agents, open-source. - quelmap ships Docker support for self-hosted deployment. - Use Quelmap when you require an open-source solution for local data analysis with the support of AI functionalities. ## When NOT to use Langchain-Chatchat - If you are looking for a cloud-based solution that does not require local deployment and management. - When your project specifically requires a different set of language models that are not supported by Langchain-Chatchat, such as models that are not listed in its documentation. - If your use case does not benefit from the integration of RAG and Agent functionalities, and you are looking for a simpler chatbot solution. - When you need a solution that is tightly integrated with a specific cloud provider's services, as Langchain-Chatchat is designed for local deployment and may not offer the same level of integration. ## When NOT to use quelmap - Avoid using Quelmap in scenarios where a closed-source, fully-supported commercial tool is preferred for data analysis tasks. - Do not use Quelmap if you do not have the technical capability to make modifications or troubleshoot an open-source project. ## Common questions ### What is the difference between Langchain-Chatchat and quelmap? Langchain-Chatchat: Local knowledge-based LLM RAG and Agent app with Langchain. quelmap: Open Source Local Data Analysis Assistant. See the comparison table for live GitHub stats and shared categories. ### When should I choose Langchain-Chatchat over quelmap? Choose Langchain-Chatchat over quelmap when Langchain-Chatchat is primarily Python; quelmap is TypeScript; Tags unique to Langchain-Chatchat: chatbot, chatchat, chatglm, chatgpt; Also covers LLM Frameworks; When you need a local deployment of a knowledge-based application that supports multiple language models including ChatGLM, Qwen, and Llama. ### When should I choose quelmap over Langchain-Chatchat? Choose quelmap over Langchain-Chatchat when quelmap is primarily TypeScript; Langchain-Chatchat is Python; Tags unique to quelmap: data-analysis, local-ai-agents, open-source; quelmap ships Docker support for self-hosted deployment; Use Quelmap when you require an open-source solution for local data analysis with the support of AI functionalities. ### When should I avoid Langchain-Chatchat? If you are looking for a cloud-based solution that does not require local deployment and management. When your project specifically requires a different set of language models that are not supported by Langchain-Chatchat, such as models that are not listed in its documentation. If your use case does not benefit from the integration of RAG and Agent functionalities, and you are looking for a simpler chatbot solution. When you need a solution that is tightly integrated with a specific cloud provider's services, as Langchain-Chatchat is designed for local deployment and may not offer the same level of integration. ### When should I avoid quelmap? Avoid using Quelmap in scenarios where a closed-source, fully-supported commercial tool is preferred for data analysis tasks. Do not use Quelmap if you do not have the technical capability to make modifications or troubleshoot an open-source project. ### Is Langchain-Chatchat or quelmap more popular on GitHub? Langchain-Chatchat has more GitHub stars (38,644 vs 200). Stars measure visibility, not whether either tool fits your constraints. ### Are Langchain-Chatchat and quelmap open source? Yes - both are open-source projects on GitHub (Langchain-Chatchat: Apache-2.0, quelmap: Apache-2.0). ### Where can I find alternatives to Langchain-Chatchat or quelmap? GraphCanon lists graph-backed alternatives at [Langchain-Chatchat alternatives](/tools/chatchat-space-langchain-chatchat/alternatives) and [quelmap alternatives](/tools/quelmap-inc-quelmap/alternatives) ([Langchain-Chatchat markdown twin](/tools/chatchat-space-langchain-chatchat/alternatives.md), [quelmap markdown twin](/tools/quelmap-inc-quelmap/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/chatchat-space-langchain-chatchat-vs-quelmap-inc-quelmap.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, Langchain-Chatchat or quelmap? Langchain-Chatchat: Slowing. quelmap: Slowing. 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 Langchain-Chatchat and quelmap? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [Langchain-Chatchat trust report](/tools/chatchat-space-langchain-chatchat/trust); [quelmap trust report](/tools/quelmap-inc-quelmap/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=chatchat-space-langchain-chatchat`](/api/graphcanon/graph?tool=chatchat-space-langchain-chatchat) - 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/_