GLM 5.3 Flash vs Qwen3 8
GLM 5.3 Flash 
Qwen3 8 Verdict
- Qwen3 8 (max) leads on quality: 63.6 vs 61.1.
- GLM 5.3 Flash is stronger in knowledge, long context.
- Qwen3 8 (max) is stronger in agents & tools, coding, composite, human preference, multimodal, reasoning, maths.
- GLM 5.3 Flash is 22× cheaper ($0.119 vs $2.67 per 1M blended).
- GLM 5.3 Flash streams 2.4× faster (90 vs 38 tokens per second).
| Metric | GLM 5.3 Flash | Qwen3 8 (max) |
|---|---|---|
| BenchLeader Index | 61.1 | 63.6 |
| Agents & tools score | 52.1 | 56.0 |
| Coding score | 64.3 | 69.7 |
| Composite score | 61.7 | 70.9 |
| Human preference score | 67.6 | 68.3 |
| Knowledge score | 67.7 | 62.3 |
| Long context score | 66.6 | 65.7 |
| Multimodal score | 65.5 | 67.2 |
| Reasoning score | 67.5 | 68.1 |
| Maths score | – | 62.4 |
| Blended price $/M | $0.119 | $2.67 |
| Output speed | 90 tok/s | 38 tok/s |
| Time to first answer | 24.9 s | 55.3 s |
| Context window | 1M | 1M |
| SciCode | 46.1% | 52.9% |
| ProofBench | – | 58.0% |
| Epoch Capabilities Index | 151.4 | 156.6 |
| LMArena Text | 1474 | 1480 |
| LMArena Hard Prompts | 1496 | 1502 |
| LMArena Coding | 1534 | 1520 |
| LMArena WebDev | 1605 | 1670 |
| LMArena Vision | 1296 | 1313 |
| LMArena Agent | 2 | 3.9 |
| LiveBench | 71.6% | 78.5% |
| LiveBench Reasoning | 77.6% | 88.2% |
| LiveBench Coding | 79.0% | 72.9% |
| LiveBench Agentic Coding | 56.8% | 64.7% |
| LiveBench Mathematics | 81.2% | 91.3% |
| LiveBench Data Analysis | 76.4% | 78.4% |
| LiveBench Language | 77.3% | 79.7% |
| AA Intelligence Index | 41.9 | 40.3 |
| AA-LCR | 80.0% | 78.3% |
| MMMU-Pro | – | 82.3% |
| AA-Omniscience | 7.5 | 3.4 |
| GPQA Diamond (AA) | 91.2% | 92.7% |
| Humanity's Last Exam (AA) | 39.9% | 43.0% |
| SciCode (AA) | 51.6% | 53.2% |
| LiveCodeBench | – | 87.8% |
| MMLU-Pro | – | 88.6% |
| IOI | – | 73.0% |
| LegalBench | – | 83.6% |
| CorpFin | – | 65.8% |
| TaxEval | – | 75.5% |
| Terminal-Bench 2.1 (Vals) | – | 67.4% |
| SWE-bench (Vals) | – | 85.6% |
| GPQA Diamond (Vals) | – | 93.7% |
| Vals Index | – | 51.8 |
Data as of 2026-09-10. Best configuration of each model; every score links to its source on the model pages.
GLM 5.3 Flash vs Qwen3 8: questions
- Is GLM 5.3 Flash better than Qwen3 8?
- Qwen3 8 (max) leads on quality: 63.6 vs 61.1. The BenchLeader Index combines every independent quality benchmark; Qwen3 8 (max) is ahead overall as of 2026-09-10, but check the category scores for your use.
- Is GLM 5.3 Flash better than Qwen3 8 for coding?
- Qwen3 8 scores higher in coding (70 vs 64 on the category index, where 50 is average).
- Is GLM 5.3 Flash better than Qwen3 8 for agentic tasks?
- Qwen3 8 scores higher in agentic tasks (56 vs 52 on the category index, where 50 is average).
- Which is cheaper, GLM 5.3 Flash or Qwen3 8?
- GLM 5.3 Flash is cheaper: $0.119 against $2.67 per million tokens, blended at three input tokens per output token.
- Which is faster, GLM 5.3 Flash or Qwen3 8?
- GLM 5.3 Flash streams faster: 90 against 38 output tokens per second.
- Which has the larger context window?
- Both accept 1M tokens of context.