Model comparison
Claude Opus 4 vs phi-3-medium 14B
Claude Opus 4 is the stronger model overall, scoring 42.9 to 29.1 on the Noometry Index.
Last verified . 3 shared benchmarks.
MicrosoftSummary
- They share 3 benchmarks with published results for both. Claude Opus 4 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 Claude Opus 4 leads 43.9 to 9.1.
- The biggest single-benchmark swing is MATH Level 5: 85% for Claude Opus 4 and 17.6% for phi-3-medium 14B.
- phi-3-medium 14B has downloadable open weights; the other is API-only.
Side by side
| Claude Opus 4 | phi-3-medium 14B | |
|---|---|---|
| Provider | Anthropic | Microsoft |
| Noometry Index | 42.9 | 29.1 |
| Released | 2025-05-22 | 2024-04-23 |
| Weights | Proprietary | Open |
| Context window | 200K | — |
| Max output | 32K | — |
| Input $ / M tokens | $15 | — |
| Output $ / M tokens | $75 | — |
| Results tracked | 56 | 13 |
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Category by category
Coding Claude Opus 4 leads
Claude Opus 4: 47.8 (#55), phi-3-medium 14B: 36.3 (#198)
| Benchmark | Claude Opus 4 | phi-3-medium 14B |
|---|---|---|
| SWE-bench Verified | 70.7% | — |
| SWE-bench Verified (bash only) | 67.6% | — |
| Aider Polyglot | 72% | — |
| GSO | 6.9% | — |
| WeirdML | 43.7% | — |
| BigCodeBench Instruct | — | 37.6% |
| LMArena Coding | 1442 | — |
| BigCodeBench Complete | — | 48.7% |
| AlgoTune | 1.33 | — |
Agentic & Tool Use Not comparable
Claude Opus 4: 34.5 (#39), phi-3-medium 14B: —
| Benchmark | Claude Opus 4 | phi-3-medium 14B |
|---|---|---|
| Cybench | 38% | — |
| DeepResearch Bench | 46.8% | — |
| LMArena Search | 1127 | — |
| METR Time Horizons | 63.9% | — |
Reasoning Not comparable
Claude Opus 4: 27.4 (#104), phi-3-medium 14B: —
| Benchmark | Claude Opus 4 | phi-3-medium 14B |
|---|---|---|
| Epoch Capabilities Index | 142.67 | 121.18 |
| ARC-AGI-2 | 8.6% | — |
| SimpleBench | 58.8% | — |
| Kagi LLM Benchmark | 74.3% | — |
| ARC-AGI-1 | 35.7% | — |
| CritPt | 0.3% | — |
| EnigmaEval | 5.6% | — |
| LMArena Hard Prompts | 1399 | — |
| DTBench | 81.6% | — |
| LMCA | 37.4% | — |
| Adversarial NLI | — | 55.8% |
| BIG-Bench Hard | — | 81.4% |
| ForecastBench | 61.1 | — |
| HellaSwag | — | 82.4% |
| WinoGrande | — | 81.5% |
Math Claude Opus 4 leads
Claude Opus 4: 40.2 (#80), phi-3-medium 14B: 25.2 (#249)
| Benchmark | Claude Opus 4 | phi-3-medium 14B |
|---|---|---|
| MATH Level 5 | 85% | 17.6% |
| OTIS Mock AIME 2024-2025 | 64.4% | — |
| Omni-MATH | 61.6% | — |
| LMArena Math | 1391 | — |
| FrontierMath (Feb 2025 set) | 4.5% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Claude Opus 4 leads
Claude Opus 4: 43.9 (#82), phi-3-medium 14B: 9.1 (#301)
| Benchmark | Claude Opus 4 | phi-3-medium 14B |
|---|---|---|
| GPQA Diamond | 76.3% | 27.6% |
| Humanity's Last Exam | 10.7% | — |
| MMLU-Pro | 87.5% | — |
| Confabulations | 15.9% | — |
| Vectara Hallucination Rate | 12% | — |
| GPQA (HELM) | 70.8% | — |
| LMArena Expert | 1384 | — |
| ARC (AI2) Challenge | — | 91.6% |
| MMLU | — | 78% |
| OpenBookQA | — | 87.4% |
| TriviaQA | — | 73.9% |
Multimodal Not comparable
Claude Opus 4: 30.9 (#101), phi-3-medium 14B: —
| Benchmark | Claude Opus 4 | phi-3-medium 14B |
|---|---|---|
| LMArena Vision | 1192 | — |
| GeoBench | 49% | — |
| VPCT | 38% | — |
Multilingual Not comparable
Claude Opus 4: 49.0 (#133), phi-3-medium 14B: —
| Benchmark | Claude Opus 4 | phi-3-medium 14B |
|---|---|---|
| LMArena Non-English | 1362 | — |
| LMArena Chinese | 1386 | — |
| LMArena French | 1370 | — |
| LMArena German | 1391 | — |
| LMArena Japanese | 1332 | — |
| LMArena Korean | 1318 | — |
| LMArena Russian | 1392 | — |
| LMArena Spanish | 1388 | — |
Instruction Following Not comparable
Claude Opus 4: 77.3 (#26), phi-3-medium 14B: —
| Benchmark | Claude Opus 4 | phi-3-medium 14B |
|---|---|---|
| IFEval | 91.8% | — |
| LMArena Instruction Following | 1406 | — |
Long Context Not comparable
Claude Opus 4: 39.5 (#167), phi-3-medium 14B: —
| Benchmark | Claude Opus 4 | phi-3-medium 14B |
|---|---|---|
| Fiction.LiveBench | 61.1% | — |
| LMArena Longer Query | 1422 | — |
Writing & Preference Not comparable
Claude Opus 4: 61.4 (#85), phi-3-medium 14B: —
| Benchmark | Claude Opus 4 | phi-3-medium 14B |
|---|---|---|
| LMArena Text | 1377 | — |
| LMArena Creative Writing | 1386 | — |
| Short-Story Creative Writing | 83.6% | — |
| EQ-Bench Creative Writing | 1580 | — |
| WildBench | 85.2% | — |
| LMArena Multi-Turn | 1396 | — |
Frequently asked questions
Is Claude Opus 4 better than phi-3-medium 14B?
Claude Opus 4 is the stronger model overall, scoring 42.9 to 29.1 on the Noometry Index.
Is Claude Opus 4 or phi-3-medium 14B better for coding?
Claude Opus 4 scores higher on coding benchmarks: 47.8 versus 36.3 in the Noometry coding category.
How many benchmarks do Claude Opus 4 and phi-3-medium 14B share?
3 benchmarks have published results for both models. Claude Opus 4 has 56 scored results on Noometry and phi-3-medium 14B has 13.