Model comparison
Grok 3 vs phi-3-medium 14B
Grok 3 is the stronger model overall, scoring 39.9 to 29.7 on the Noometry Index.
Last verified . 3 shared benchmarks.
MicrosoftSummary
- They share 3 benchmarks with published results for both. Grok 3 scores higher in 3 categories and phi-3-medium 14B in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 3 leads 46.2 to 9.1.
- The biggest single-benchmark swing is MATH Level 5: 88.7% for Grok 3 and 17.6% for phi-3-medium 14B.
- phi-3-medium 14B has downloadable open weights; the other is API-only.
Side by side
| Grok 3 | phi-3-medium 14B | |
|---|---|---|
| Provider | xAI | Microsoft |
| Noometry Index | 39.9 | 29.7 |
| Released | 2025-04-09 | 2024-04-23 |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 40 | 13 |
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Category by category
Coding Grok 3 leads
Grok 3: 41.9 (#115), phi-3-medium 14B: 36.8 (#201)
| Benchmark | Grok 3 | phi-3-medium 14B |
|---|---|---|
| Aider Polyglot | 53.3% | — |
| WeirdML | 37.2% | — |
| BigCodeBench Instruct | — | 37.6% |
| LMArena Coding | 1432 | — |
| BigCodeBench Complete | — | 48.7% |
Agentic & Tool Use Not comparable
Grok 3: 30.5 (#76), phi-3-medium 14B: —
| Benchmark | Grok 3 | phi-3-medium 14B |
|---|---|---|
| BALROG | 29.5% | — |
Reasoning Not comparable
Grok 3: 13.7 (#333), phi-3-medium 14B: —
| Benchmark | Grok 3 | phi-3-medium 14B |
|---|---|---|
| Epoch Capabilities Index | 138.33 | 121.23 |
| ARC-AGI-2 | 0% | — |
| SimpleBench | 36.1% | — |
| Kagi LLM Benchmark | 61.3% | — |
| ARC-AGI-1 | 5.5% | — |
| LMArena Hard Prompts | 1434 | — |
| Adversarial NLI | — | 55.8% |
| BIG-Bench Hard | — | 81.4% |
| HellaSwag | — | 82.4% |
| WinoGrande | — | 81.5% |
Math Grok 3 leads
Grok 3: 38.0 (#145), phi-3-medium 14B: 27.3 (#250)
| Benchmark | Grok 3 | phi-3-medium 14B |
|---|---|---|
| MATH Level 5 | 88.7% | 17.6% |
| OTIS Mock AIME 2024-2025 | 55.6% | — |
| Omni-MATH | 46.4% | — |
| LMArena Math | 1391 | — |
| FrontierMath (Feb 2025 set) | 3.8% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Grok 3 leads
Grok 3: 46.2 (#82), phi-3-medium 14B: 9.1 (#306)
| Benchmark | Grok 3 | phi-3-medium 14B |
|---|---|---|
| GPQA Diamond | 75.8% | 27.6% |
| MMLU-Pro | 78.8% | — |
| Confabulations | 14.2% | — |
| Vectara Hallucination Rate | 5.8% | — |
| GPQA (HELM) | 65% | — |
| LMArena Expert | 1421 | — |
| ARC (AI2) Challenge | — | 91.6% |
| MMLU | — | 78% |
| OpenBookQA | — | 87.4% |
| TriviaQA | — | 73.9% |
Multilingual Not comparable
Grok 3: 52.3 (#87), phi-3-medium 14B: —
| Benchmark | Grok 3 | phi-3-medium 14B |
|---|---|---|
| LMArena Non-English | 1410 | — |
| LMArena Chinese | 1448 | — |
| LMArena French | 1460 | — |
| LMArena German | 1431 | — |
| LMArena Japanese | 1387 | — |
| LMArena Korean | 1373 | — |
| LMArena Russian | 1416 | — |
| LMArena Spanish | 1417 | — |
Instruction Following Not comparable
Grok 3: 75.0 (#73), phi-3-medium 14B: —
| Benchmark | Grok 3 | phi-3-medium 14B |
|---|---|---|
| IFEval | 88.4% | — |
| LMArena Instruction Following | 1409 | — |
Long Context Not comparable
Grok 3: 38.7 (#192), phi-3-medium 14B: —
| Benchmark | Grok 3 | phi-3-medium 14B |
|---|---|---|
| Fiction.LiveBench | 58.3% | — |
| LMArena Longer Query | 1439 | — |
Writing & Preference Not comparable
Grok 3: 55.8 (#141), phi-3-medium 14B: —
| Benchmark | Grok 3 | phi-3-medium 14B |
|---|---|---|
| LMArena Text | 1426 | — |
| LMArena Creative Writing | 1414 | — |
| Short-Story Creative Writing | 76.4% | — |
| EQ-Bench Creative Writing | 1186 | — |
| WildBench | 84.9% | — |
| LMArena Multi-Turn | 1425 | — |
Frequently asked questions
Is Grok 3 better than phi-3-medium 14B?
Grok 3 is the stronger model overall, scoring 39.9 to 29.7 on the Noometry Index.
Is Grok 3 or phi-3-medium 14B better for coding?
Grok 3 scores higher on coding benchmarks: 41.9 versus 36.8 in the Noometry coding category.
How many benchmarks do Grok 3 and phi-3-medium 14B share?
3 benchmarks have published results for both models. Grok 3 has 40 scored results on Noometry and phi-3-medium 14B has 13.