DeepSeek-R1-Lite Preview vs GLM-5.1
DeepSeek DeepSeek-R1-Lite Preview | Z.ai GLM-5.1 | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | Z.ai |
| Release date | Nov 20 2024 | Apr 7 2026 |
| Access | Open Weight | Open Weight |
| Specifications | ||
Parameters | — | 744B |
Context window | — | 200k |
| Benchmarks | ||
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. | — | 63.5% |
Web browsing BrowseCompCan the AI browse the web and track down hard-to-find answers? 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. | — | 86.2% |
| Timeline | ||
| Release gap | DeepSeek-R1-Lite Preview shipped 503 days before GLM-5.1 | |
Which is better: DeepSeek-R1-Lite Preview or GLM-5.1?
DeepSeek-R1-Lite Preview and GLM-5.1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek-R1-Lite Preview shipped 503 days before GLM-5.1, 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-R1-Lite Preview and GLM-5.1 don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek-R1-Lite Preview was released by DeepSeek on Nov 20 2024.
GLM-5.1 was released by Z.ai on Apr 7 2026.
Other comparisons
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