GLM 5.3 Flash vs Qwen3 6
GLM 5.3 Flash 
Qwen3 6 Verdict
- Qwen3 6 (max) leads on quality: 63.3 vs 61.1.
- GLM 5.3 Flash is stronger in coding, human preference, knowledge, multimodal, reasoning.
- Qwen3 6 (max) is stronger in agents & tools, composite, long context, instruction following, maths.
- GLM 5.3 Flash is 25× cheaper ($0.119 vs $2.96 per 1M blended).
- GLM 5.3 Flash streams 1.5× faster (90 vs 59 tokens per second).
| Metric | GLM 5.3 Flash | Qwen3 6 (max) |
|---|---|---|
| BenchLeader Index | 61.1 | 63.3 |
| Agents & tools score | 52.1 | 72.0 |
| Coding score | 64.3 | 58.2 |
| Composite score | 61.7 | 64.9 |
| Human preference score | 67.6 | 65.9 |
| Knowledge score | 67.7 | 64.0 |
| Long context score | 66.6 | 66.9 |
| Multimodal score | 65.5 | – |
| Reasoning score | 67.5 | 63.2 |
| Instruction following score | – | 74.2 |
| Maths score | – | 64.2 |
| Blended price $/M | $0.119 | $2.96 |
| Output speed | 90 tok/s | 59 tok/s |
| Time to first answer | 24.9 s | 38.5 s |
| Context window | 1M | 246k |
| GPQA Diamond | – | 87.4% |
| OTIS Mock AIME | – | 91.1% |
| SWE-bench Verified (Epoch) | – | 76.7% |
| SimpleQA Verified | – | 52.0% |
| SimpleBench | – | 63.0% |
| SciCode | 46.1% | – |
| Epoch Capabilities Index | 151.4 | 149.3 |
| LMArena Text | 1474 | 1460 |
| LMArena Hard Prompts | 1496 | 1482 |
| LMArena Coding | 1534 | 1509 |
| LMArena WebDev | 1605 | 1479 |
| LMArena Vision | 1296 | – |
| LMArena Agent | 2 | – |
| 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 | 28.4 |
| IFBench | – | 76.6% |
| AA-LCR | 80.0% | 80.7% |
| AA-Omniscience | 7.5 | 9.2 |
| Terminal-Bench Hard | – | 43.9% |
| GPQA Diamond (AA) | 91.2% | 88.8% |
| Humanity's Last Exam (AA) | 39.9% | 30.8% |
| SciCode (AA) | 51.6% | – |
| τ²-Bench Telecom (AA) | – | 95.9% |
| CorpFin | – | 66.5% |
| SWE-bench (Vals) | – | 72.8% |
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 6: questions
- Is GLM 5.3 Flash better than Qwen3 6?
- Qwen3 6 (max) leads on quality: 63.3 vs 61.1. The BenchLeader Index combines every independent quality benchmark; Qwen3 6 (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 6 for coding?
- GLM 5.3 Flash scores higher in coding (64 vs 58 on the category index, where 50 is average).
- Is GLM 5.3 Flash better than Qwen3 6 for agentic tasks?
- Qwen3 6 scores higher in agentic tasks (72 vs 52 on the category index, where 50 is average).
- Which is cheaper, GLM 5.3 Flash or Qwen3 6?
- GLM 5.3 Flash is cheaper: $0.119 against $2.96 per million tokens, blended at three input tokens per output token.
- Which is faster, GLM 5.3 Flash or Qwen3 6?
- GLM 5.3 Flash streams faster: 90 against 59 output tokens per second.
- Which has the larger context window?
- GLM 5.3 Flash accepts more context: 1M against 246k tokens.