Model comparison
Grok 4.1 vs Phi 3 Mini 128k Instruct
Grok 4.1 is the stronger model overall, scoring 41.5 to 29.7 on the Noometry Index.
Last verified . 17 shared benchmarks.
MicrosoftSummary
- They share 17 benchmarks with published results for both. Grok 4.1 scores higher in 8 categories and Phi 3 Mini 128k Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok 4.1 leads 62.4 to 27.1.
- Phi 3 Mini 128k Instruct has downloadable open weights; the other is API-only.
Side by side
| Grok 4.1 | Phi 3 Mini 128k Instruct | |
|---|---|---|
| Provider | xAI | Microsoft |
| Noometry Index | 41.5 | 29.7 |
| Released | 2025-11-17 | 2024-04-23 |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 19 | 19 |
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Category by category
Coding Grok 4.1 leads
Grok 4.1: 33.7 (#253), Phi 3 Mini 128k Instruct: 28.8 (#312)
| Benchmark | Grok 4.1 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Coding | 1445 | 1039 |
| LMArena WebDev | 1214 | — |
| BigCodeBench Instruct | — | 29.6% |
| BigCodeBench Complete | — | 40.6% |
Agentic & Tool Use Not comparable
Grok 4.1: 34.1 (#49), Phi 3 Mini 128k Instruct: —
| Benchmark | Grok 4.1 | Phi 3 Mini 128k Instruct |
|---|---|---|
| Cybench | 39% | — |
Reasoning Grok 4.1 leads
Grok 4.1: 29.5 (#91), Phi 3 Mini 128k Instruct: 19.6 (#256)
| Benchmark | Grok 4.1 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1435 | 1028 |
Math Grok 4.1 leads
Grok 4.1: 38.9 (#120), Phi 3 Mini 128k Instruct: 31.6 (#222)
| Benchmark | Grok 4.1 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Math | 1422 | 1089 |
Knowledge Grok 4.1 leads
Grok 4.1: 39.5 (#133), Phi 3 Mini 128k Instruct: 26.8 (#254)
| Benchmark | Grok 4.1 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Expert | 1417 | 984 |
Multilingual Grok 4.1 leads
Grok 4.1: 53.4 (#68), Phi 3 Mini 128k Instruct: 25.2 (#285)
| Benchmark | Grok 4.1 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Non-English | 1425 | 1000 |
| LMArena Chinese | 1465 | 1016 |
| LMArena French | 1448 | 1039 |
| LMArena German | 1446 | 1006 |
| LMArena Japanese | 1397 | 899 |
| LMArena Korean | 1407 | 856 |
| LMArena Russian | 1434 | 1004 |
| LMArena Spanish | 1438 | 1059 |
Instruction Following Grok 4.1 leads
Grok 4.1: 73.8 (#111), Phi 3 Mini 128k Instruct: 51.8 (#294)
| Benchmark | Grok 4.1 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Instruction Following | 1400 | 1023 |
Long Context Grok 4.1 leads
Grok 4.1: 43.2 (#100), Phi 3 Mini 128k Instruct: 30.4 (#289)
| Benchmark | Grok 4.1 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Longer Query | 1416 | 996 |
Writing & Preference Grok 4.1 leads
Grok 4.1: 62.4 (#75), Phi 3 Mini 128k Instruct: 27.1 (#301)
| Benchmark | Grok 4.1 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Text | 1437 | 1050 |
| LMArena Creative Writing | 1411 | 1024 |
| LMArena Multi-Turn | 1437 | 989 |
Frequently asked questions
Is Grok 4.1 better than Phi 3 Mini 128k Instruct?
Grok 4.1 is the stronger model overall, scoring 41.5 to 29.7 on the Noometry Index.
Is Grok 4.1 or Phi 3 Mini 128k Instruct better for coding?
Grok 4.1 scores higher on coding benchmarks: 33.7 versus 28.8 in the Noometry coding category.
How many benchmarks do Grok 4.1 and Phi 3 Mini 128k Instruct share?
17 benchmarks have published results for both models. Grok 4.1 has 19 scored results on Noometry and Phi 3 Mini 128k Instruct has 19.