DeepSeek-V4-Flash vs GLM-5
DeepSeek DeepSeek-V4-Flash | Z.ai GLM-5 | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | Z.ai |
| Release date | Apr 24 2026 | Feb 12 2026 |
| Access | Open Weight | Open Weight |
| Specifications | ||
Parameters | — | 744B |
| 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. | 18% | — |
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. | — | 77.8% |
Multilingual coding SWE-Bench MultilingualLike SWE-Bench, but the coding problems span many programming languages, not just one. Tests how broadly the AI can code. Higher is better. | — | 73.3% |
Agentic terminal coding Terminal-Bench 2.0Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? (Version 2.0 of the test.) Higher is better. | — | 56.2% |
Web browsing BrowseCompCan the AI browse the web and track down hard-to-find answers? Higher is better. | — | 75.9% |
Multidisciplinary reasoning Humanity's Last Exam · with toolsHumanity's Last Exam — extremely hard expert questions across many subjects. “With tools” means the AI is allowed to search the web or run code while answering. Higher is better. | — | 50.4% |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 88.1%Best | 86% |
| Timeline | ||
| Release gap | GLM-5 shipped 71 days before DeepSeek-V4-Flash | |
Which is better: DeepSeek-V4-Flash or GLM-5?
DeepSeek-V4-Flash leads GLM-5 on 1 of the 1 benchmark they both report (GPQA Diamond). GLM-5 shipped 71 days before DeepSeek-V4-Flash, 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.
On GPQA Diamond, DeepSeek-V4-Flash leads at 88.1% vs GLM-5 at 86%.
Frequently asked questions
DeepSeek-V4-Flash was released by DeepSeek on Apr 24 2026.
GLM-5 was released by Z.ai on Feb 12 2026.
DeepSeek-V4-Flash leads on GPQA Diamond — DeepSeek-V4-Flash 88.1% vs GLM-5 86%.
Other comparisons
DeepSeek-V4-Flash vs Claude Fable 5GLM-5 vs Claude Fable 5DeepSeek-V4-Flash vs GPT-5.6 SolGLM-5 vs GPT-5.6 SolDeepSeek-V4-Flash vs Gemini OmniGLM-5 vs Gemini OmniDeepSeek-V4-Flash vs Muse SparkGLM-5 vs Muse SparkDeepSeek-V4-Flash vs Grok 4.3 BetaGLM-5 vs Grok 4.3 BetaDeepSeek-V4-Flash vs Mistral Medium 3.5GLM-5 vs Mistral Medium 3.5