Grok 4.3 vs Qwen3 6
Grok 4.3 
Qwen3 6 Verdict
- Qwen3 6 (max) leads on quality: 63.3 vs 60.7.
- Grok 4.3 (medium) is stronger in instruction following, knowledge, multimodal.
- Qwen3 6 (max) is stronger in agents & tools, composite, long context, coding, human preference, maths, reasoning.
- Grok 4.3 (medium) is 1.9× cheaper ($1.56 vs $2.96 per 1M blended).
- Grok 4.3 (medium) streams 1.9× faster (112 vs 59 tokens per second).
| Metric | Grok 4.3 (medium) | Qwen3 6 (max) |
|---|---|---|
| BenchLeader Index | 60.7 | 63.3 |
| Agents & tools score | 60.1 | 72.0 |
| Composite score | 60.3 | 64.9 |
| Instruction following score | 80.0 | 74.2 |
| Knowledge score | 72.1 | 64.0 |
| Long context score | 64.0 | 66.9 |
| Multimodal score | 60.2 | – |
| Coding score | – | 58.2 |
| Human preference score | – | 65.9 |
| Maths score | – | 64.2 |
| Reasoning score | – | 63.2 |
| Blended price $/M | $1.56 | $2.96 |
| Output speed | 112 tok/s | 59 tok/s |
| Time to first answer | 12.1 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% |
| Epoch Capabilities Index | – | 149.3 |
| LMArena Text | – | 1460 |
| LMArena Hard Prompts | – | 1482 |
| LMArena Coding | – | 1509 |
| LMArena WebDev | – | 1479 |
| AA Intelligence Index | 24.8 | 28.4 |
| IFBench | 83.3% | 76.6% |
| AA-LCR | 75.0% | 80.7% |
| MMMU-Pro | 75.8% | – |
| AA-Omniscience | 16.7 | 9.2 |
| Terminal-Bench Hard | 30.3% | 43.9% |
| GPQA Diamond (AA) | 89.0% | 88.8% |
| Humanity's Last Exam (AA) | 30.0% | 30.8% |
| τ²-Bench Telecom (AA) | 91.2% | 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.
Grok 4.3 vs Qwen3 6: questions
- Is Grok 4.3 better than Qwen3 6?
- Qwen3 6 (max) leads on quality: 63.3 vs 60.7. 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 Grok 4.3 better than Qwen3 6 for agentic tasks?
- Qwen3 6 scores higher in agentic tasks (72 vs 60 on the category index, where 50 is average).
- Which is cheaper, Grok 4.3 or Qwen3 6?
- Grok 4.3 is cheaper: $1.56 against $2.96 per million tokens, blended at three input tokens per output token.
- Which is faster, Grok 4.3 or Qwen3 6?
- Grok 4.3 streams faster: 112 against 59 output tokens per second.
- Which has the larger context window?
- Grok 4.3 accepts more context: 1M against 246k tokens.