GPT-5.4 vs Qwen3 6
GPT-5.4 
Qwen3 6 Verdict
- GPT-5.4 and Qwen3 6 (max) are level on quality (63.5 vs 63.3).
- GPT-5.4 is stronger in composite, knowledge, long context, multimodal.
- Qwen3 6 (max) is stronger in agents & tools, coding, human preference, instruction following, reasoning, maths.
- Qwen3 6 (max) is 1.9× cheaper ($2.96 vs $5.63 per 1M blended).
- GPT-5.4 streams 2.2× faster (129 vs 59 tokens per second).
| Metric | GPT-5.4 | Qwen3 6 (max) |
|---|---|---|
| BenchLeader Index | 63.5 | 63.3 |
| Agents & tools score | 66.2 | 72.0 |
| Coding score | 51.6 | 58.2 |
| Composite score | 78.3 | 64.9 |
| Human preference score | 64.7 | 65.9 |
| Instruction following score | 71.9 | 74.2 |
| Knowledge score | 66.9 | 64.0 |
| Long context score | 67.6 | 66.9 |
| Multimodal score | 64.0 | – |
| Reasoning score | 62.6 | 63.2 |
| Maths score | – | 64.2 |
| Blended price $/M | $5.63 | $2.96 |
| Output speed | 129 tok/s | 59 tok/s |
| Time to first answer | 124.6 s | 38.5 s |
| Context window | 1.1M | 246k |
| GPQA Diamond | – | 87.4% |
| OTIS Mock AIME | – | 91.1% |
| SWE-bench Verified (Epoch) | – | 76.7% |
| SimpleQA Verified | – | 52.0% |
| Terminal-Bench | 81.8% | – |
| SimpleBench | – | 63.0% |
| APEX-Agents | 34.9% | – |
| Epoch Capabilities Index | 156.9 | 149.3 |
| LMArena Text | 1466 | 1460 |
| LMArena Hard Prompts | 1488 | 1482 |
| LMArena Coding | 1514 | 1509 |
| LMArena WebDev | 1386 | 1479 |
| LMArena Vision | 1293 | – |
| AA Intelligence Index | 39.0 | 28.4 |
| IFBench | 74.0% | 76.6% |
| AA-LCR | 82.0% | 80.7% |
| MMMU-Pro | 78.4% | – |
| AA-Omniscience | 5.8 | 9.2 |
| Terminal-Bench Hard | 57.6% | 43.9% |
| GPQA Diamond (AA) | 92.0% | 88.8% |
| Humanity's Last Exam (AA) | 43.7% | 30.8% |
| τ²-Bench Telecom (AA) | 87.1% | 95.9% |
| CorpFin | – | 66.5% |
| SWE-bench (Vals) | – | 72.8% |
| HiL-Bench | 9.7% | – |
| EQ-Bench 4 | 1272 | – |
| Kagi LLM Benchmark | 63.8% | – |
Data as of 2026-09-10. Best configuration of each model; every score links to its source on the model pages.
GPT-5.4 vs Qwen3 6: questions
- Is GPT-5.4 better than Qwen3 6?
- GPT-5.4 and Qwen3 6 (max) are level on quality (63.5 vs 63.3). The BenchLeader Index combines every independent quality benchmark; GPT-5.4 is ahead overall as of 2026-09-10, but check the category scores for your use.
- Is GPT-5.4 better than Qwen3 6 for coding?
- Qwen3 6 scores higher in coding (58 vs 52 on the category index, where 50 is average).
- Is GPT-5.4 better than Qwen3 6 for agentic tasks?
- Qwen3 6 scores higher in agentic tasks (72 vs 66 on the category index, where 50 is average).
- Which is cheaper, GPT-5.4 or Qwen3 6?
- Qwen3 6 is cheaper: $2.96 against $5.63 per million tokens, blended at three input tokens per output token.
- Which is faster, GPT-5.4 or Qwen3 6?
- GPT-5.4 streams faster: 129 against 59 output tokens per second.
- Which has the larger context window?
- GPT-5.4 accepts more context: 1.1M against 246k tokens.