Model comparison
Grok 4.1 vs Phi 3 Medium 4k Instruct
Grok 4.1 is the stronger model overall, scoring 40.8 to 32.4 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 Medium 4k Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok 4.1 leads 62.6 to 34.3.
- Phi 3 Medium 4k Instruct has downloadable open weights; the other is API-only.
Side by side
| Grok 4.1 | Phi 3 Medium 4k Instruct | |
|---|---|---|
| Provider | xAI | Microsoft |
| Noometry Index | 40.8 | 32.4 |
| Released | 2025-11-17 | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 19 | 17 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Grok 4.1 leads
Grok 4.1: 33.4 (#246), Phi 3 Medium 4k Instruct: 32.3 (#263)
| Benchmark | Grok 4.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Coding | 1445 | 1130 |
| LMArena WebDev | 1214 | — |
Agentic & Tool Use Not comparable
Grok 4.1: 33.8 (#47), Phi 3 Medium 4k Instruct: —
| Benchmark | Grok 4.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| Cybench | 39% | — |
Reasoning Grok 4.1 leads
Grok 4.1: 28.3 (#91), Phi 3 Medium 4k Instruct: 20.8 (#214)
| Benchmark | Grok 4.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1436 | 1127 |
Math Grok 4.1 leads
Grok 4.1: 36.2 (#124), Phi 3 Medium 4k Instruct: 30.9 (#202)
| Benchmark | Grok 4.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Math | 1422 | 1173 |
Knowledge Grok 4.1 leads
Grok 4.1: 38.9 (#129), Phi 3 Medium 4k Instruct: 29.6 (#226)
| Benchmark | Grok 4.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Expert | 1417 | 1108 |
Multilingual Grok 4.1 leads
Grok 4.1: 53.6 (#64), Phi 3 Medium 4k Instruct: 30.8 (#258)
| Benchmark | Grok 4.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Non-English | 1425 | 1094 |
| LMArena Chinese | 1464 | 1108 |
| LMArena French | 1448 | 1109 |
| LMArena German | 1447 | 1101 |
| LMArena Japanese | 1396 | 1042 |
| LMArena Korean | 1407 | 954 |
| LMArena Russian | 1434 | 1145 |
| LMArena Spanish | 1438 | 1095 |
Instruction Following Grok 4.1 leads
Grok 4.1: 74.0 (#106), Phi 3 Medium 4k Instruct: 57.8 (#263)
| Benchmark | Grok 4.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Instruction Following | 1400 | 1114 |
Long Context Grok 4.1 leads
Grok 4.1: 43.2 (#96), Phi 3 Medium 4k Instruct: 33.9 (#250)
| Benchmark | Grok 4.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Longer Query | 1416 | 1120 |
Writing & Preference Grok 4.1 leads
Grok 4.1: 62.6 (#71), Phi 3 Medium 4k Instruct: 34.3 (#267)
| Benchmark | Grok 4.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Text | 1437 | 1138 |
| LMArena Creative Writing | 1411 | 1106 |
| LMArena Multi-Turn | 1438 | 1088 |
Frequently asked questions
Is Grok 4.1 better than Phi 3 Medium 4k Instruct?
Grok 4.1 is the stronger model overall, scoring 40.8 to 32.4 on the Noometry Index.
Is Grok 4.1 or Phi 3 Medium 4k Instruct better for coding?
Grok 4.1 scores higher on coding benchmarks: 33.4 versus 32.3 in the Noometry coding category.
How many benchmarks do Grok 4.1 and Phi 3 Medium 4k Instruct share?
17 benchmarks have published results for both models. Grok 4.1 has 19 scored results on Noometry and Phi 3 Medium 4k Instruct has 17.