GPT-5.4 vs Qwen3 8
GPT-5.4 
Qwen3 8 Verdict
- GPT-5.4 and Qwen3 8 (max) are level on quality (63.4 vs 63.9).
- GPT-5.4 is stronger in agents & tools, composite, instruction following, knowledge, long context.
- Qwen3 8 (max) is stronger in coding, human preference, multimodal, reasoning.
- Qwen3 8 (max) is 2.1× cheaper ($2.67 vs $5.63 per 1M blended).
- GPT-5.4 streams 3.3× faster (130 vs 39 tokens per second).
| Metric | GPT-5.4 | Qwen3 8 (max) |
|---|---|---|
| BenchLeader Index | 63.4 | 63.9 |
| Agents & tools score | 66.1 | 56.1 |
| Coding score | 51.6 | 71.7 |
| Composite score | 78.1 | 70.8 |
| Human preference score | 64.5 | 67.9 |
| Instruction following score | 71.7 | – |
| Knowledge score | 66.8 | 62.3 |
| Long context score | 67.6 | 65.7 |
| Multimodal score | 64.0 | 67.2 |
| Reasoning score | 62.3 | 67.7 |
| Blended price $/M | $5.63 | $2.67 |
| Output speed | 130 tok/s | 39 tok/s |
| Time to first answer | 126.4 s | 53.2 s |
| Context window | 1.1M | 1M |
| Terminal-Bench | 81.8% | – |
| APEX-Agents | 34.9% | – |
| Epoch Capabilities Index | 156.9 | 156.6 |
| LMArena Text | 1466 | 1480 |
| LMArena Hard Prompts | 1488 | 1502 |
| LMArena Coding | 1514 | 1520 |
| LMArena WebDev | 1386 | 1685 |
| LMArena Vision | 1293 | 1313 |
| LMArena Agent | – | 3.9 |
| LiveBench | – | 78.5% |
| LiveBench Reasoning | – | 88.2% |
| LiveBench Coding | – | 72.9% |
| LiveBench Agentic Coding | – | 64.7% |
| LiveBench Mathematics | – | 91.3% |
| LiveBench Data Analysis | – | 78.4% |
| LiveBench Language | – | 79.7% |
| AA Intelligence Index | 39.0 | 40.3 |
| IFBench | 74.0% | – |
| AA-LCR | 82.0% | 78.3% |
| MMMU-Pro | 78.4% | 82.3% |
| AA-Omniscience | 5.8 | 3.4 |
| Terminal-Bench Hard | 57.6% | – |
| GPQA Diamond (AA) | 92.0% | 92.7% |
| Humanity's Last Exam (AA) | 43.7% | 43.0% |
| SciCode (AA) | – | 53.2% |
| τ²-Bench Telecom (AA) | 87.1% | – |
| 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 |
| HiL-Bench | 9.7% | – |
| EQ-Bench 4 | 1272 | – |
| Kagi LLM Benchmark | 63.8% | – |
Data as of 2026-09-09. Best configuration of each model; every score links to its source on the model pages.