Qwen3 6 vs Step 5 Preview
Qwen3 6 
Step 5 Preview Verdict
- Step 5 Preview leads on quality: 65.0 vs 63.3.
- Qwen3 6 (max) is stronger in agents & tools, coding, human preference, instruction following, maths.
- Step 5 Preview is stronger in composite, knowledge, long context, reasoning, multimodal.
- Step 5 Preview is 2.1× cheaper ($1.43 vs $2.96 per 1M blended).
| Metric | Qwen3 6 (max) | Step 5 Preview |
|---|---|---|
| BenchLeader Index | 63.3 | 65.0 |
| Agents & tools score | 71.9 | – |
| Coding score | 58.1 | – |
| Composite score | 64.9 | 84.4 |
| Human preference score | 65.7 | – |
| Instruction following score | 74.4 | – |
| Knowledge score | 64.0 | 72.0 |
| Long context score | 66.8 | 70.8 |
| Maths score | 65.9 | – |
| Reasoning score | 59.1 | 82.1 |
| Multimodal score | – | 60.8 |
| Blended price $/M | $2.96 | $1.43 |
| Output speed | 63 tok/s | – |
| Time to first answer | 35.0 s | – |
| Context window | 246k | 1M |
| 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 | 28.4 | 43.6 |
| IFBench | 76.6% | – |
| AA-LCR | 80.7% | 88.3% |
| MMMU-Pro | – | 76.4% |
| AA-Omniscience | 9.2 | 16.4 |
| Terminal-Bench Hard | 43.9% | – |
| GPQA Diamond (AA) | 88.8% | – |
| Humanity's Last Exam (AA) | 30.8% | 46.5% |
| SciCode (AA) | – | 58.9% |
| τ²-Bench Telecom (AA) | 95.9% | – |
| CorpFin | 66.5% | – |
| SWE-bench (Vals) | 72.8% | – |
| CritPt | 3.7% | 20.9% |
| GDPval (AA) | – | 53.6% |
| CaseLaw v2 | 47.9% | – |
| Terminal-Bench 2.0 (Vals) | 51.7% | – |
| LMArena Maths | 1475 | – |
| LMArena Creative Writing | 1438 | – |
| LMArena Instruction Following | 1449 | – |
| LMArena Multi-turn | 1469 | – |
| LMArena Longer Queries | 1474 | – |
| Chess Puzzles | 20.0% | – |
| LMCA | 42.5% | – |
| DTBench | 87.2% | – |
| Vending-Bench 2 | 4254.2 | – |
Data as of 2026-09-19. Best configuration of each model; every score links to its source on the model pages.
Qwen3 6 vs Step 5 Preview: questions
- Is Qwen3 6 better than Step 5 Preview?
- Step 5 Preview leads on quality: 65.0 vs 63.3. The BenchLeader Index combines every independent quality benchmark; Step 5 Preview is ahead overall as of 2026-09-19, but check the category scores for your use.
- Which is cheaper, Qwen3 6 or Step 5 Preview?
- Step 5 Preview is cheaper: $1.43 against $2.96 per million tokens, blended at three input tokens per output token.
- Which has the larger context window?
- Step 5 Preview accepts more context: 1M against 246k tokens.