Model comparison
Grok 4.1 Fast vs Qwen1.5-7B
Grok 4.1 Fast is the stronger model overall, scoring 40.9 to 30.8 on the Noometry Index.
Last verified . 12 shared benchmarks.
Alibaba (Qwen)Summary
- They share 12 benchmarks with published results for both. Grok 4.1 Fast scores higher in 8 categories and Qwen1.5-7B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok 4.1 Fast leads 57.4 to 29.8.
- Qwen1.5-7B has downloadable open weights; the other is API-only.
Side by side
| Grok 4.1 Fast | Qwen1.5-7B | |
|---|---|---|
| Provider | xAI | Alibaba (Qwen) |
| Noometry Index | 40.9 | 30.8 |
| Released | 2025-06-27 | 2024-02-04 |
| Weights | Proprietary | Open |
| Context window | 128K | — |
| Max output | 30K | — |
| Input $ / M tokens | $0.20 | — |
| Output $ / M tokens | $0.50 | — |
| Results tracked | 32 | 13 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Grok 4.1 Fast leads
Grok 4.1 Fast: 33.8 (#236), Qwen1.5-7B: 31.6 (#271)
| Benchmark | Grok 4.1 Fast | Qwen1.5-7B |
|---|---|---|
| LMArena Coding | 1411 | 1107 |
| LMArena WebDev | 1241 | — |
| ALE-Bench | 394.93 | — |
Agentic & Tool Use Not comparable
Grok 4.1 Fast: 36.1 (#35), Qwen1.5-7B: —
| Benchmark | Grok 4.1 Fast | Qwen1.5-7B |
|---|---|---|
| Berkeley Function Calling Leaderboard | 69.6% | — |
| τ²-bench Banking | 13.1% | — |
| LMArena Search | 1171 | — |
| Vending-Bench 2 | 1,107 | — |
Reasoning Grok 4.1 Fast leads
Grok 4.1 Fast: 42.3 (#45), Qwen1.5-7B: 19.5 (#237)
| Benchmark | Grok 4.1 Fast | Qwen1.5-7B |
|---|---|---|
| LMArena Hard Prompts | 1407 | 1066 |
| SimpleBench | 56% | — |
| NYT Connections (extended) | 87.4% | — |
| DTBench | 87.7% | — |
| ForecastBench | 61 | — |
Math Grok 4.1 Fast leads
Grok 4.1 Fast: 30.9 (#201), Qwen1.5-7B: 29.0 (#222)
| Benchmark | Grok 4.1 Fast | Qwen1.5-7B |
|---|---|---|
| LMArena Math | 1408 | 1080 |
| MathArena Final-Answer Competitions | 60.9% | — |
| ProofBench | 4% | — |
Knowledge Grok 4.1 Fast leads
Grok 4.1 Fast: 32.6 (#203), Qwen1.5-7B: 28.2 (#239)
| Benchmark | Grok 4.1 Fast | Qwen1.5-7B |
|---|---|---|
| LMArena Expert | 1398 | 1055 |
| Vectara Hallucination Rate | 17.8% | — |
| MMLU | — | 62.6% |
Multimodal Not comparable
Grok 4.1 Fast: 36.3 (#71), Qwen1.5-7B: —
| Benchmark | Grok 4.1 Fast | Qwen1.5-7B |
|---|---|---|
| LMArena Vision | 1201 | — |
Multilingual Grok 4.1 Fast leads
Grok 4.1 Fast: 51.1 (#110), Qwen1.5-7B: 28.6 (#266)
| Benchmark | Grok 4.1 Fast | Qwen1.5-7B |
|---|---|---|
| LMArena Non-English | 1391 | 1058 |
| LMArena Chinese | 1441 | 1140 |
| LMArena Russian | 1387 | 1006 |
| LMArena French | 1416 | — |
| LMArena German | 1404 | — |
| LMArena Japanese | 1347 | — |
| LMArena Korean | 1361 | — |
| LMArena Spanish | 1411 | — |
Instruction Following Grok 4.1 Fast leads
Grok 4.1 Fast: 72.8 (#127), Qwen1.5-7B: 54.4 (#276)
| Benchmark | Grok 4.1 Fast | Qwen1.5-7B |
|---|---|---|
| LMArena Instruction Following | 1376 | 1058 |
Long Context Grok 4.1 Fast leads
Grok 4.1 Fast: 42.4 (#121), Qwen1.5-7B: 33.1 (#261)
| Benchmark | Grok 4.1 Fast | Qwen1.5-7B |
|---|---|---|
| LMArena Longer Query | 1390 | 1090 |
Writing & Preference Grok 4.1 Fast leads
Grok 4.1 Fast: 57.4 (#126), Qwen1.5-7B: 29.8 (#288)
| Benchmark | Grok 4.1 Fast | Qwen1.5-7B |
|---|---|---|
| LMArena Text | 1408 | 1084 |
| LMArena Creative Writing | 1394 | 1035 |
| LMArena Multi-Turn | 1389 | 1061 |
| EQ-Bench Creative Writing | 1327 | — |
Frequently asked questions
Is Grok 4.1 Fast better than Qwen1.5-7B?
Grok 4.1 Fast is the stronger model overall, scoring 40.9 to 30.8 on the Noometry Index.
Is Grok 4.1 Fast or Qwen1.5-7B better for coding?
Grok 4.1 Fast scores higher on coding benchmarks: 33.8 versus 31.6 in the Noometry coding category.
How many benchmarks do Grok 4.1 Fast and Qwen1.5-7B share?
12 benchmarks have published results for both models. Grok 4.1 Fast has 32 scored results on Noometry and Qwen1.5-7B has 13.