DeepSeek-V4-Pro vs GLM-4.6
DeepSeek DeepSeek-V4-Pro | Z.ai GLM-4.6 | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | Z.ai |
| Release date | Apr 24 2026 | Sep 30 2025 |
| Access | Open Weight | Open Weight |
| Specifications | ||
Parameters | — | 355B |
Context window | — | 200k |
| 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. | 14% | — |
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. | — | 68% |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 90.1% | — |
| Timeline | ||
| Release gap | GLM-4.6 shipped 206 days before DeepSeek-V4-Pro | |
Which is better: DeepSeek-V4-Pro or GLM-4.6?
DeepSeek-V4-Pro and GLM-4.6 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GLM-4.6 shipped 206 days before DeepSeek-V4-Pro, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
Direct benchmark comparisons are unavailable — DeepSeek-V4-Pro and GLM-4.6 don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek-V4-Pro was released by DeepSeek on Apr 24 2026.
GLM-4.6 was released by Z.ai on Sep 30 2025.
Other comparisons
DeepSeek-V4-Pro vs Claude Fable 5GLM-4.6 vs Claude Fable 5DeepSeek-V4-Pro vs GPT-5.6 SolGLM-4.6 vs GPT-5.6 SolDeepSeek-V4-Pro vs Gemini OmniGLM-4.6 vs Gemini OmniDeepSeek-V4-Pro vs Muse SparkGLM-4.6 vs Muse SparkDeepSeek-V4-Pro vs Grok 4.3 BetaGLM-4.6 vs Grok 4.3 BetaDeepSeek-V4-Pro vs Mistral Medium 3.5GLM-4.6 vs Mistral Medium 3.5