--- title: "ChatGLM-6B vs ChatGLM2-6B" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/zai-org-chatglm-6b-vs-zai-org-chatglm2-6b" tools: ["zai-org-chatglm-6b", "zai-org-chatglm2-6b"] --- # ChatGLM-6B vs ChatGLM2-6B *GraphCanon updated Aug 1, 2026* ## Verdict Pick ChatGLM-6B if open bilingual dialogue model with 6.2 billion parameters, optimized for Chinese and English conversations; pick ChatGLM2-6B if open bilingual dialogue model with enhanced performance, longer context length up to 32K tokens, and efficient inference. [ChatGLM-6B](https://github.com/zai-org/ChatGLM-6B) reports 41k GitHub stars, 5.1k forks, and 607 open issues, last pushed Jun 27, 2024. [ChatGLM2-6B](https://github.com/zai-org/ChatGLM2-6B) has 16k stars, 1.8k forks, and 450 open issues, last pushed Jun 27, 2024. Figures are from public GitHub metadata via [ChatGLM-6B's repository](https://github.com/zai-org/ChatGLM-6B) and [ChatGLM2-6B's repository](https://github.com/zai-org/ChatGLM2-6B). | | [ChatGLM-6B](/tools/zai-org-chatglm-6b.md) | [ChatGLM2-6B](/tools/zai-org-chatglm2-6b.md) | | --- | --- | --- | | Tagline | An Open Bilingual Dialogue Language Model | An Open Bilingual Chat LLM | | Stars | 41,012 | 15,540 | | Forks | 5,126 | 1,794 | | Open issues | 607 | 450 | | Language | Python | Python | | Adopt for | Open bilingual dialogue model with 6.2 billion parameters, optimized for Chinese and English conversations. | Open bilingual dialogue model with enhanced performance, longer context length up to 32K tokens, and efficient inference. | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | Other | | Categories | LLM Frameworks | LLM Frameworks | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [ChatGLM-6B](/tools/zai-org-chatglm-6b.md) | [ChatGLM2-6B](/tools/zai-org-chatglm2-6b.md) | | --- | --- | --- | | Open issues (now) | 607 | 450 | | Full report | [trust report](/tools/zai-org-chatglm-6b/trust.md) | [trust report](/tools/zai-org-chatglm2-6b/trust.md) | ## Decision facts: ChatGLM-6B - **Adopt for:** Open bilingual dialogue model with 6.2 billion parameters, optimized for Chinese and English conversations. ## Decision facts: ChatGLM2-6B - **Adopt for:** Open bilingual dialogue model with enhanced performance, longer context length up to 32K tokens, and efficient inference. ## Choose when ### Choose ChatGLM-6B if… - License: ChatGLM-6B is Apache-2.0, ChatGLM2-6B is Other. - Tags unique to ChatGLM-6B: api-platform, bilingual, dialogue-system, language-model. - When you need a powerful model for both Chinese and English dialogues. ### Choose ChatGLM2-6B if… - License: ChatGLM2-6B is Other, ChatGLM-6B is Apache-2.0. - Tags unique to ChatGLM2-6B: chatglm, chatglm-6b, large language models, llm. - For applications needing bilingual support with improved accuracy in MMLU, CEval, GSM8K, BBH datasets. ## When NOT to use ChatGLM-6B - If your application requires more specialized features not present in ChatGLM-6B, consider newer or larger models. - Avoid if you need guaranteed output accuracy due to probabilistic elements. ## When NOT to use ChatGLM2-6B - Avoid if the use case does not benefit from bilingual capabilities. - Not suitable for applications that need more than free tier commercial usage without registration through provided survey. ## Common questions ### What is the difference between ChatGLM-6B and ChatGLM2-6B? ChatGLM-6B: An Open Bilingual Dialogue Language Model. ChatGLM2-6B: An Open Bilingual Chat LLM. See the comparison table for live GitHub stats and shared categories. ### When should I choose ChatGLM-6B over ChatGLM2-6B? Choose ChatGLM-6B over ChatGLM2-6B when License: ChatGLM-6B is Apache-2.0, ChatGLM2-6B is Other; Tags unique to ChatGLM-6B: api-platform, bilingual, dialogue-system, language-model; When you need a powerful model for both Chinese and English dialogues. ### When should I choose ChatGLM2-6B over ChatGLM-6B? Choose ChatGLM2-6B over ChatGLM-6B when License: ChatGLM2-6B is Other, ChatGLM-6B is Apache-2.0; Tags unique to ChatGLM2-6B: chatglm, chatglm-6b, large language models, llm; For applications needing bilingual support with improved accuracy in MMLU, CEval, GSM8K, BBH datasets. ### When should I avoid ChatGLM-6B? If your application requires more specialized features not present in ChatGLM-6B, consider newer or larger models. Avoid if you need guaranteed output accuracy due to probabilistic elements. ### When should I avoid ChatGLM2-6B? Avoid if the use case does not benefit from bilingual capabilities. Not suitable for applications that need more than free tier commercial usage without registration through provided survey. ### Is ChatGLM-6B or ChatGLM2-6B more popular on GitHub? ChatGLM-6B has more GitHub stars (41,012 vs 15,540). Stars measure visibility, not whether either tool fits your constraints. ### Are ChatGLM-6B and ChatGLM2-6B open source? Yes - both are open-source projects on GitHub (ChatGLM-6B: Apache-2.0, ChatGLM2-6B: Other). ### Where can I find alternatives to ChatGLM-6B or ChatGLM2-6B? GraphCanon lists graph-backed alternatives at [ChatGLM-6B alternatives](/tools/zai-org-chatglm-6b/alternatives) and [ChatGLM2-6B alternatives](/tools/zai-org-chatglm2-6b/alternatives) ([ChatGLM-6B markdown twin](/tools/zai-org-chatglm-6b/alternatives.md), [ChatGLM2-6B markdown twin](/tools/zai-org-chatglm2-6b/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/zai-org-chatglm-6b-vs-zai-org-chatglm2-6b.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, ChatGLM-6B or ChatGLM2-6B? ChatGLM-6B: Dormant. ChatGLM2-6B: 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 ChatGLM-6B and ChatGLM2-6B? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [ChatGLM-6B trust report](/tools/zai-org-chatglm-6b/trust); [ChatGLM2-6B trust report](/tools/zai-org-chatglm2-6b/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=zai-org-chatglm-6b`](/api/graphcanon/graph?tool=zai-org-chatglm-6b) - 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/_