--- title: "Langchain-Chatchat vs openchat" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/chatchat-space-langchain-chatchat-vs-imoneoi-openchat" tools: ["chatchat-space-langchain-chatchat", "imoneoi-openchat"] --- # Langchain-Chatchat vs openchat *GraphCanon updated Aug 17, 2026* ## Verdict Pick Langchain-Chatchat if langchain-Chatchat is a local RAG and agent chatbot application built using Langchain, supporting multiple language models like ChatGLM, Qwen, and Llama; pick openchat if a Python library for training large language models with imperfect data using transformers. [Langchain-Chatchat](https://github.com/chatchat-space/Langchain-Chatchat) reports 39k GitHub stars, 6.3k forks, and 25 open issues, last pushed Nov 10, 2025. [openchat](https://openchat.team) has 5.5k stars, 432 forks, and 137 open issues, last pushed Sep 13, 2024. Figures are from public GitHub metadata via [Langchain-Chatchat's repository](https://github.com/chatchat-space/Langchain-Chatchat) and [openchat's repository](https://github.com/imoneoi/openchat). | | [Langchain-Chatchat](/tools/chatchat-space-langchain-chatchat.md) | [openchat](/tools/imoneoi-openchat.md) | | --- | --- | --- | | Tagline | Local knowledge-based RAG and Agent app using Langchain and various LLMs | Advancing Open-source Language Models with Imperfect Data | | Stars | 38,522 | 5,487 | | Forks | 6,266 | 432 | | Open issues | 25 | 137 | | Language | Python | Python | | Adopt for | Langchain-Chatchat is a local RAG and agent chatbot application built using Langchain, supporting multiple language models like ChatGLM, Qwen, and Llama. | A Python library for training large language models with imperfect data using transformers. | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | Apache-2.0 | | Categories | AI Agents, Data & Retrieval, LLM Frameworks | LLM Frameworks, Model Training | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [Langchain-Chatchat](/tools/chatchat-space-langchain-chatchat.md) | [openchat](/tools/imoneoi-openchat.md) | | --- | --- | --- | | Maintenance | Slowing (36%) | Dormant (18%) | | Days since push | 270d | 703d | | Open issues (now) | 25 | 137 | | Stars delta | +254 (30d) | +2 (30d) | | Open issues delta | +2 (30d) | +1 (30d) | | Owner type | Organization | User | | Full report | [trust report](/tools/chatchat-space-langchain-chatchat/trust.md) | [trust report](/tools/imoneoi-openchat/trust.md) | ## Decision facts: Langchain-Chatchat - **Requirements:** - Access to a suitable computational environment (potentially with GPU support) for running the various language models.; - Docker deployment expertise, especially when using docker-compose for setting up multiple dependent services. - **Adopt for:** Langchain-Chatchat is a local RAG and agent chatbot application built using Langchain, supporting multiple language models like ChatGLM, Qwen, and Llama. - **License detail:** Apache-2.0 ## Decision facts: openchat - **Adopt for:** A Python library for training large language models with imperfect data using transformers. ## Choose when ### Choose Langchain-Chatchat if… - Requirements: - Access to a suitable computational environment (potentially with GPU support) for running the various language models.; - Docker deployment expertise, especially when using docker-compose for setting up multiple dependent services.. - Tags unique to Langchain-Chatchat: chatbot, chatglm, docker, langchain. - Also covers AI Agents, Data & Retrieval. - - When you need a locally deployed chatbot that can provide contextual responses based on integrated knowledge bases. ### Choose openchat if… - Tags unique to openchat: apache license 2.0, cuda, large language models, open-source. - Also covers Model Training. - You need to train models on datasets with noise or missing information ## When NOT to use Langchain-Chatchat - - If your application requires real-time updates from the internet, as Langchain-Chatchat operates within a closed system without dynamic web retrieval capabilities. - - In scenarios where deploying through Docker and managing multiple services via docker-compose might be too complex or not feasible for your operational setup. ## When NOT to use openchat - If your dataset is clean and well-structured, reducing model inaccuracies - Projects that cannot depend on Apache License 2.0 or install PyTorch with CUDA support ## Common questions ### What is the difference between Langchain-Chatchat and openchat? Langchain-Chatchat: Local knowledge-based RAG and Agent app using Langchain and various LLMs. openchat: Advancing Open-source Language Models with Imperfect Data. See the comparison table for live GitHub stats and shared categories. ### When should I choose Langchain-Chatchat over openchat? Choose Langchain-Chatchat over openchat when Requirements: - Access to a suitable computational environment (potentially with GPU support) for running the various language models.; - Docker deployment expertise, especially when using docker-compose for setting up multiple dependent services.; Tags unique to Langchain-Chatchat: chatbot, chatglm, docker, langchain; Also covers AI Agents, Data & Retrieval; - When you need a locally deployed chatbot that can provide contextual responses based on integrated knowledge bases. ### When should I choose openchat over Langchain-Chatchat? Choose openchat over Langchain-Chatchat when Tags unique to openchat: apache license 2.0, cuda, large language models, open-source; Also covers Model Training; You need to train models on datasets with noise or missing information. ### When should I avoid Langchain-Chatchat? - If your application requires real-time updates from the internet, as Langchain-Chatchat operates within a closed system without dynamic web retrieval capabilities. - In scenarios where deploying through Docker and managing multiple services via docker-compose might be too complex or not feasible for your operational setup. ### When should I avoid openchat? If your dataset is clean and well-structured, reducing model inaccuracies Projects that cannot depend on Apache License 2.0 or install PyTorch with CUDA support ### Is Langchain-Chatchat or openchat more popular on GitHub? Langchain-Chatchat has more GitHub stars (38,522 vs 5,487). Stars measure visibility, not whether either tool fits your constraints. ### Are Langchain-Chatchat and openchat open source? Yes - both are open-source projects on GitHub (Langchain-Chatchat: Apache-2.0, openchat: Apache-2.0). ### Where can I find alternatives to Langchain-Chatchat or openchat? GraphCanon lists graph-backed alternatives at [Langchain-Chatchat alternatives](/tools/chatchat-space-langchain-chatchat/alternatives) and [openchat alternatives](/tools/imoneoi-openchat/alternatives) ([Langchain-Chatchat markdown twin](/tools/chatchat-space-langchain-chatchat/alternatives.md), [openchat markdown twin](/tools/imoneoi-openchat/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-imoneoi-openchat.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, Langchain-Chatchat or openchat? Langchain-Chatchat: Slowing. openchat: 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 Langchain-Chatchat and openchat? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [Langchain-Chatchat trust report](/tools/chatchat-space-langchain-chatchat/trust); [openchat trust report](/tools/imoneoi-openchat/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/_