Model comparison
Grok 4 Fast vs Qwen3 Max
Qwen3 Max is the stronger model overall, scoring 43.7 to 39.4 on the Noometry Index.
Last verified . 21 shared benchmarks.
Alibaba (Qwen)Summary
- They share 21 benchmarks with published results for both. Grok 4 Fast scores higher in 2 categories and Qwen3 Max in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in long context, where Grok 4 Fast leads 63.2 to 41.6.
- The biggest single-benchmark swing is Fiction.LiveBench: 94.4% for Grok 4 Fast and 66.7% for Qwen3 Max.
Side by side
| Grok 4 Fast | Qwen3 Max | |
|---|---|---|
| Provider | xAI | Alibaba (Qwen) |
| Noometry Index | 39.4 | 43.7 |
| Released | 2025-09-19 | 2025-09-23 |
| Weights | Proprietary | Proprietary |
| Context window | — | 262K |
| Max output | — | 66K |
| Input $ / M tokens | — | $1.20 |
| Output $ / M tokens | — | $6 |
| Results tracked | 30 | 33 |
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Category by category
Coding Qwen3 Max leads
Grok 4 Fast: 32.5 (#271), Qwen3 Max: 43.0 (#93)
| Benchmark | Grok 4 Fast | Qwen3 Max |
|---|---|---|
| LMArena Coding | 1429 | 1456 |
| LMArena WebDev | 1159 | — |
| WeirdML | 42.9% | — |
| ALE-Bench | — | 370.45 |
Agentic & Tool Use Not comparable
Grok 4 Fast: 29.5 (#86), Qwen3 Max: —
| Benchmark | Grok 4 Fast | Qwen3 Max |
|---|---|---|
| τ²-bench Banking | 15.7% | — |
| Cybench | 30% | — |
| LMArena Search | 1171 | — |
| Vending-Bench 2 | — | 71.56 |
Reasoning Too close to call
Grok 4 Fast: 22.2 (#201), Qwen3 Max: 22.6 (#190)
| Benchmark | Grok 4 Fast | Qwen3 Max |
|---|---|---|
| Kagi LLM Benchmark | 66.1% | 72.5% |
| LMArena Hard Prompts | 1412 | 1448 |
| DTBench | 82.7% | 82.1% |
| Epoch Capabilities Index | 144.2 | 142.38 |
| ARC-AGI-2 | 5.3% | — |
| NYT Connections (extended) | — | 30.1% |
| ARC-AGI-1 | 48.5% | — |
| Chess Puzzles | — | 4% |
| Mystery Game Puzzles | — | 5% |
| LMCA | — | 28.3% |
| ForecastBench | 60.5 | — |
Math Too close to call
Grok 4 Fast: 38.9 (#123), Qwen3 Max: 38.7 (#131)
| Benchmark | Grok 4 Fast | Qwen3 Max |
|---|---|---|
| LMArena Math | 1419 | 1446 |
| FrontierMath (Tiers 1-3) | — | 18.9% |
| OTIS Mock AIME 2024-2025 | — | 73.3% |
| MATH Level 5 | — | 97.1% |
Knowledge Qwen3 Max leads
Grok 4 Fast: 32.0 (#214), Qwen3 Max: 48.1 (#78)
| Benchmark | Grok 4 Fast | Qwen3 Max |
|---|---|---|
| LMArena Expert | 1411 | 1455 |
| GPQA Diamond | — | 72.6% |
| SimpleQA Verified | — | 48.7% |
| Vectara Hallucination Rate | 19.7% | — |
Multilingual Qwen3 Max leads
Grok 4 Fast: 51.3 (#111), Qwen3 Max: 53.7 (#62)
| Benchmark | Grok 4 Fast | Qwen3 Max |
|---|---|---|
| LMArena Non-English | 1396 | 1429 |
| LMArena Chinese | 1457 | 1478 |
| LMArena French | 1431 | 1449 |
| LMArena German | 1383 | 1463 |
| LMArena Japanese | 1352 | 1397 |
| LMArena Korean | 1357 | 1399 |
| LMArena Russian | 1389 | 1428 |
| LMArena Spanish | 1415 | 1462 |
Instruction Following Qwen3 Max leads
Grok 4 Fast: 73.2 (#121), Qwen3 Max: 74.8 (#87)
| Benchmark | Grok 4 Fast | Qwen3 Max |
|---|---|---|
| LMArena Instruction Following | 1387 | 1419 |
Long Context Grok 4 Fast leads
Grok 4 Fast: 63.2 (#3), Qwen3 Max: 41.6 (#134)
| Benchmark | Grok 4 Fast | Qwen3 Max |
|---|---|---|
| Fiction.LiveBench | 94.4% | 66.7% |
| LMArena Longer Query | 1415 | 1438 |
| CL-bench | — | 14.5% |
Writing & Preference Qwen3 Max leads
Grok 4 Fast: 60.0 (#102), Qwen3 Max: 62.4 (#76)
| Benchmark | Grok 4 Fast | Qwen3 Max |
|---|---|---|
| LMArena Text | 1407 | 1439 |
| LMArena Creative Writing | 1387 | 1402 |
| LMArena Multi-Turn | 1414 | 1446 |
Frequently asked questions
Is Grok 4 Fast better than Qwen3 Max?
Qwen3 Max is the stronger model overall, scoring 43.7 to 39.4 on the Noometry Index.
Is Grok 4 Fast or Qwen3 Max better for coding?
Qwen3 Max scores higher on coding benchmarks: 43.0 versus 32.5 in the Noometry coding category.
How many benchmarks do Grok 4 Fast and Qwen3 Max share?
21 benchmarks have published results for both models. Grok 4 Fast has 30 scored results on Noometry and Qwen3 Max has 33.