Models · Qwen (Alibaba)
Qwen3.8 Max (0803)#24 for writing.#24 for writing, best at its default setting.
Qwen3.8 Max (0803) is made by Qwen (Alibaba). Among the models we track it ranks #24 for writing.
Earlier Qwen3.8 Max snapshot; LMArena lists it as 'qwen3.8-max'. Not on OpenRouter (0902 snapshot is).
- 47.3 / 100 · #24
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- Price unknown— / —
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- 16 (16 independent16 indep.)
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- Qwen (Alibaba)
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Scores are out of 100 for each area, compared with every model we track; “#” is its rank. Context is how much text it can read at once (1M is roughly 700,000 words). Blended price mixes the cost of what you send and what it writes back.
You can't choose how long this one thinks.
No adjustable reasoning setting listed.
Every test result
Every result
All the numbers,with where they came from.
Every result we've found for this model, with who measured it and a link to where we read it.
All raw rows (vendor and independent kept separate), with setting label, source, date, harness and notes.
| NotesNotes | ||||||
|---|---|---|---|---|---|---|
| DeepSWE | 57.5% | Extra highqwen3.8-max_xhigh | Independent testIndependentDeepSWE (Datacurve) via Epoch AI ↗ | 1 Oct 2026 | mini-SWE-agent | read from Epoch AI benchmark_data.zip (deepswe_external.csv); original leaderboard https://deepswe.datacurve.ai/; harness mini-swe-agent; pass@4 83.2%; ±2.7; 4 runs; $3.73/task |
| Design Arena (all categories) | 1300 | Defaultqwen3.8-max-preview | Independent testIndependentDesign Arena ↗ | 1 Oct 2026 | — | Bradley-Terry Elo; ±3.8 SE; 8881 battles; win rate 53.1% |
| FrontierMath (Tiers 1-3) | 74.7% | Extra highqwen3.8-max_xhigh | Independent testIndependentEpoch AI ↗ | 4 Aug 2026 | — | FrontierMath Tiers 1-3 (v2), Epoch-run; stderr 2.6pt; data https://epoch.ai/data/benchmark_data.zip (frontiermath_tiers_1_3_v2.csv) |
| GPQA Diamond | 92.7% | Extra highqwen3.8-max_xhigh | Independent testIndependentEpoch AI ↗ | 4 Aug 2026 | — | Epoch-run GPQA Diamond; stderr 1.7pt; data https://epoch.ai/data/benchmark_data.zip (gpqa_diamond.csv) |
| LMArena Code Arena (WebDev) | 1671 | Defaultqwen3.8-max | Independent testIndependentLMArena ↗ | 30 Sep 2026 | — | Code Arena | WebDev overall (agentic web-dev, raw); rank 9 (CI rank 7-13); 95% CI 1659-1683; 3453 votes |
| LMArena Text - Creative Writing | 1468 | Defaultqwen3.8-max | Independent testIndependentLMArena ↗ | 30 Sep 2026 | — | rank 20 (rank range 7-40); 95% CI 1458.0-1477.6; 4437 votes; style-controlled |
| LMArena Text - Expert | 1512 | Defaultqwen3.8-max | Independent testIndependentLMArena ↗ | 30 Sep 2026 | — | rank 24 (rank range 8-62); 95% CI 1499.7-1523.4; 2590 votes; style-controlled |
| LMArena Text - Hard Prompts | 1502 | Defaultqwen3.8-max | Independent testIndependentLMArena ↗ | 30 Sep 2026 | — | rank 27 (rank range 15-44); 95% CI 1495.7-1507.8; 15266 votes; style-controlled |
| LMArena Text - Instruction Following | 1473 | Defaultqwen3.8-max | Independent testIndependentLMArena ↗ | 30 Sep 2026 | — | rank 32 (rank range 14-50); 95% CI 1465.3-1480.1; 8169 votes; style-controlled |
| LMArena Text - Longer Query | 1490 | Defaultqwen3.8-max | Independent testIndependentLMArena ↗ | 30 Sep 2026 | — | rank 26 (rank range 11-51); 95% CI 1483.1-1497.2; 10284 votes; style-controlled |
| LMArena Text - Multi-Turn | 1490 | Defaultqwen3.8-max | Independent testIndependentLMArena ↗ | 30 Sep 2026 | — | rank 21 (rank range 7-57); 95% CI 1480.0-1500.9; 3530 votes; style-controlled |
| LMArena Text - Non-English | 1469 | Defaultqwen3.8-max | Independent testIndependentLMArena ↗ | 30 Sep 2026 | — | rank 26 (rank range 15-43); 95% CI 1463.0-1475.2; 13994 votes; style-controlled |
| LMArena Text - Occupational: Business, Management & Finance | 1482 | Defaultqwen3.8-max | Independent testIndependentLMArena ↗ | 30 Sep 2026 | — | rank 23 (rank range 7-49); 95% CI 1472.7-1491.6; 4336 votes; style-controlled |
| LMArena Text - Occupational: Legal & Government | 1488 | Defaultqwen3.8-max | Independent testIndependentLMArena ↗ | 30 Sep 2026 | — | rank 27 (rank range 4-80); 95% CI 1473.0-1502.9; 1693 votes; style-controlled |
| LMArena Text - Occupational: Writing, Literature & Language | 1472 | Defaultqwen3.8-max | Independent testIndependentLMArena ↗ | 30 Sep 2026 | — | rank 20 (rank range 9-44); 95% CI 1463.4-1480.4; 5869 votes; style-controlled |
| LMArena Text (overall) | 1481 | Defaultqwen3.8-max | Independent testIndependentLMArena ↗ | 30 Sep 2026 | — | text overall, style control on; rank 24 (CI rank 13-42); 95% CI 1476-1486; 22809 votes |