Model comparison
Grok 3 vs Qwen3.8 27B
Qwen3.8 27B is the stronger model overall, scoring 45.3 to 39.6 on the Noometry Index.
Last verified . 19 shared benchmarks.
Summary
- They share 19 benchmarks with published results for both. Grok 3 scores higher in 2 categories and Qwen3.8 27B in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.8 27B leads 31.5 to 13.8.
- Qwen3.8 27B has downloadable open weights; the other is API-only.
Side by side
| Grok 3 | Qwen3.8 27B | |
|---|---|---|
| Provider | xAI | Alibaba (Qwen) |
| Noometry Index | 39.6 | 45.3 |
| Released | 2025-04-09 | 2026-08-14 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 33K |
| Input $ / M tokens | — | $0.99 |
| Output $ / M tokens | — | $1.49 |
| Results tracked | 40 | 28 |
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Category by category
Coding Qwen3.8 27B leads
Grok 3: 41.5 (#113), Qwen3.8 27B: 50.3 (#42)
| Benchmark | Grok 3 | Qwen3.8 27B |
|---|---|---|
| LMArena Coding | 1432 | 1487 |
| Aider Polyglot | 53.3% | — |
| LMArena WebDev | — | 1592 |
| SciCode | — | 46.6% |
| WeirdML | 37.2% | — |
Agentic & Tool Use Not comparable
Grok 3: 30.2 (#69), Qwen3.8 27B: —
| Benchmark | Grok 3 | Qwen3.8 27B |
|---|---|---|
| BALROG | 29.5% | — |
Reasoning Qwen3.8 27B leads
Grok 3: 13.8 (#322), Qwen3.8 27B: 31.5 (#71)
| Benchmark | Grok 3 | Qwen3.8 27B |
|---|---|---|
| LMArena Hard Prompts | 1433 | 1459 |
| Epoch Capabilities Index | 138.34 | 149.38 |
| ARC-AGI-2 | 0% | — |
| SimpleBench | 36.1% | — |
| Kagi LLM Benchmark | 61.3% | — |
| NYT Connections (extended) | — | 54.5% |
| ARC-AGI-1 | 5.5% | — |
| CritPt | — | 5.4% |
| DTBench | — | 88% |
| LMCA | — | 41.4% |
| Surface Evolver Bench | — | 45% |
Math Too close to call
Grok 3: 36.2 (#122), Qwen3.8 27B: 35.7 (#139)
| Benchmark | Grok 3 | Qwen3.8 27B |
|---|---|---|
| LMArena Math | 1390 | 1453 |
| OTIS Mock AIME 2024-2025 | 55.6% | — |
| ProofBench | — | 16% |
| Omni-MATH | 46.4% | — |
| MATH Level 5 | 88.7% | — |
| FrontierMath (Feb 2025 set) | 3.8% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Grok 3 leads
Grok 3: 46.0 (#76), Qwen3.8 27B: 40.9 (#105)
| Benchmark | Grok 3 | Qwen3.8 27B |
|---|---|---|
| LMArena Expert | 1420 | 1482 |
| GPQA Diamond | 75.8% | — |
| MMLU-Pro | 78.8% | — |
| Confabulations | 14.2% | — |
| Vectara Hallucination Rate | 5.8% | — |
| GPQA (HELM) | 65% | — |
Multimodal Not comparable
Grok 3: —, Qwen3.8 27B: 40.5 (#36)
| Benchmark | Grok 3 | Qwen3.8 27B |
|---|---|---|
| LMArena Vision | — | 1270 |
Multilingual Qwen3.8 27B leads
Grok 3: 52.5 (#81), Qwen3.8 27B: 54.0 (#54)
| Benchmark | Grok 3 | Qwen3.8 27B |
|---|---|---|
| LMArena Non-English | 1411 | 1431 |
| LMArena Chinese | 1448 | 1504 |
| LMArena French | 1460 | 1468 |
| LMArena German | 1431 | 1435 |
| LMArena Japanese | 1389 | 1392 |
| LMArena Korean | 1374 | 1389 |
| LMArena Russian | 1416 | 1421 |
| LMArena Spanish | 1417 | 1444 |
Instruction Following Too close to call
Grok 3: 75.2 (#69), Qwen3.8 27B: 75.8 (#54)
| Benchmark | Grok 3 | Qwen3.8 27B |
|---|---|---|
| LMArena Instruction Following | 1409 | 1436 |
| IFEval | 88.4% | — |
Long Context Qwen3.8 27B leads
Grok 3: 38.7 (#187), Qwen3.8 27B: 44.3 (#66)
| Benchmark | Grok 3 | Qwen3.8 27B |
|---|---|---|
| LMArena Longer Query | 1439 | 1448 |
| Fiction.LiveBench | 58.3% | — |
Writing & Preference Qwen3.8 27B leads
Grok 3: 56.0 (#136), Qwen3.8 27B: 65.9 (#41)
| Benchmark | Grok 3 | Qwen3.8 27B |
|---|---|---|
| LMArena Text | 1426 | 1441 |
| LMArena Creative Writing | 1414 | 1382 |
| EQ-Bench Creative Writing | 1186 | 1671 |
| LMArena Multi-Turn | 1424 | 1443 |
| Short-Story Creative Writing | 76.4% | — |
| WildBench | 84.9% | — |
Frequently asked questions
Is Grok 3 better than Qwen3.8 27B?
Qwen3.8 27B is the stronger model overall, scoring 45.3 to 39.6 on the Noometry Index.
Is Grok 3 or Qwen3.8 27B better for coding?
Qwen3.8 27B scores higher on coding benchmarks: 50.3 versus 41.5 in the Noometry coding category.
How many benchmarks do Grok 3 and Qwen3.8 27B share?
19 benchmarks have published results for both models. Grok 3 has 40 scored results on Noometry and Qwen3.8 27B has 28.