Deepseek v4 Pro vs GLM 5.3 Flash
Deepseek v4 Pro 
GLM 5.3 Flash Verdict
- Deepseek v4 Pro (high) and GLM 5.3 Flash are level on quality (60.4 vs 60.1).
- Deepseek v4 Pro (high) is stronger in maths.
- GLM 5.3 Flash is stronger in coding, human preference, reasoning, agents & tools, composite, knowledge, long context, multimodal.
| Metric | Deepseek v4 Pro (high) | GLM 5.3 Flash |
|---|---|---|
| BenchLeader Index | 60.4 | 60.1 |
| Coding score | 59.3 | 64.0 |
| Human preference score | 66.0 | 67.6 |
| Maths score | 66.2 | – |
| Reasoning score | 65.9 | 67.5 |
| Agents & tools score | – | 51.5 |
| Composite score | – | 58.2 |
| Knowledge score | – | 64.3 |
| Long context score | – | 64.1 |
| Multimodal score | – | 65.5 |
| Blended price $/M | – | $0.119 |
| Output speed | – | 107 tok/s |
| Time to first answer | – | 21.1 s |
| Context window | – | 1M |
| GPQA Diamond | 90.9% | – |
| OTIS Mock AIME | 95.6% | – |
| SciCode | 46.4% | 46.1% |
| WeirdML | 46.5% | – |
| Epoch Capabilities Index | – | 151.4 |
| LMArena Text | 1462 | 1475 |
| LMArena Hard Prompts | 1482 | 1497 |
| LMArena Coding | 1505 | 1524 |
| LMArena WebDev | 1581 | 1607 |
| LMArena Vision | – | 1296 |
| LMArena Agent | – | 1.9 |
| LiveBench | – | 71.6% |
| LiveBench Reasoning | – | 77.6% |
| LiveBench Coding | – | 79.0% |
| LiveBench Agentic Coding | – | 56.8% |
| LiveBench Mathematics | – | 81.2% |
| LiveBench Data Analysis | – | 76.4% |
| LiveBench Language | – | 77.3% |
| AA Intelligence Index | – | 41.9 |
| AA-LCR | – | 80.0% |
| AA-Omniscience | – | 7.5 |
| GPQA Diamond (AA) | – | 91.2% |
| Humanity's Last Exam (AA) | – | 39.9% |
| SciCode (AA) | – | 51.6% |
Data as of 2026-09-13. Best configuration of each model; every score links to its source on the model pages.
Deepseek v4 Pro vs GLM 5.3 Flash: questions
- Is Deepseek v4 Pro better than GLM 5.3 Flash?
- Deepseek v4 Pro (high) and GLM 5.3 Flash are level on quality (60.4 vs 60.1). The BenchLeader Index combines every independent quality benchmark; Deepseek v4 Pro (high) is ahead overall as of 2026-09-13, but check the category scores for your use.
- Is Deepseek v4 Pro better than GLM 5.3 Flash for coding?
- GLM 5.3 Flash scores higher in coding (64 vs 59 on the category index, where 50 is average).