Claude Opus 4 vs ChatGLM-6B
Anthropic Claude Opus 4 | Z.ai ChatGLM-6B | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Z.ai |
| Release date | May 22 2025 | Mar 14 2023 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 6B |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 34% | — |
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | 72.5% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 79.6% | — |
| Timeline | ||
| Release gap | ChatGLM-6B shipped 800 days before Claude Opus 4 | |
Which is better: Claude Opus 4 or ChatGLM-6B?
Claude Opus 4 and ChatGLM-6B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. ChatGLM-6B shipped 800 days before Claude Opus 4, so benchmark comparisons should account for the intervening progress.
Claude Opus 4 is proprietary, while ChatGLM-6B is open weight.
Direct benchmark comparisons are unavailable — Claude Opus 4 and ChatGLM-6B don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude Opus 4 was released by Anthropic on May 22 2025.
ChatGLM-6B was released by Z.ai on Mar 14 2023.
Claude Opus 4 is a proprietary model released by Anthropic. ChatGLM-6B is an open weight model released by Z.ai.
Other comparisons
Claude Opus 4 vs GPT-5.6 SolChatGLM-6B vs GPT-5.6 SolClaude Opus 4 vs Gemini OmniChatGLM-6B vs Gemini OmniClaude Opus 4 vs Muse SparkChatGLM-6B vs Muse SparkClaude Opus 4 vs Grok 4.3 BetaChatGLM-6B vs Grok 4.3 BetaClaude Opus 4 vs DeepSeek-V4-ProChatGLM-6B vs DeepSeek-V4-ProClaude Opus 4 vs Mistral Medium 3.5ChatGLM-6B vs Mistral Medium 3.5