Model comparison
Claude 3.5 Sonnet vs Phi 3 Medium 4k Instruct
Claude 3.5 Sonnet is the stronger model overall, scoring 34.6 to 33.0 on the Noometry Index.
Last verified . 17 shared benchmarks.
MicrosoftSummary
- They share 17 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 6 categories and Phi 3 Medium 4k Instruct in 2 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Claude 3.5 Sonnet leads 52.9 to 34.1.
- Phi 3 Medium 4k Instruct has downloadable open weights; the other is API-only.
Side by side
| Claude 3.5 Sonnet | Phi 3 Medium 4k Instruct | |
|---|---|---|
| Provider | Anthropic | Microsoft |
| Noometry Index | 34.6 | 33.0 |
| Released | 2024-06-20 | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 60 | 17 |
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Category by category
Coding Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 39.0 (#165), Phi 3 Medium 4k Instruct: 32.9 (#268)
| Benchmark | Claude 3.5 Sonnet | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Coding | 1342 | 1130 |
| Aider Polyglot | 51.6% | — |
| GSO | 4.6% | — |
| WeirdML | 40% | — |
| BigCodeBench Instruct | 46.8% | — |
| LiveBench Coding | 67.1% | — |
| BigCodeBench Complete | 58.6% | — |
| CadEval | 48% | — |
| HumanEval+ | 81.7% | — |
| MBPP+ | 74.3% | — |
Agentic & Tool Use Not comparable
Claude 3.5 Sonnet: 32.3 (#67), Phi 3 Medium 4k Instruct: —
| Benchmark | Claude 3.5 Sonnet | Phi 3 Medium 4k Instruct |
|---|---|---|
| TheAgentCompany | 24% | — |
| Cybench | 17.5% | — |
| BALROG | 32.6% | — |
| METR Time Horizons | 45.2% | — |
Reasoning Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 23.1 (#183), Phi 3 Medium 4k Instruct: 21.7 (#214)
| Benchmark | Claude 3.5 Sonnet | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1305 | 1127 |
| SimpleBench | 41.4% | — |
| EnigmaEval | 0.9% | — |
| LiveBench Reasoning | 56.7% | — |
| DTBench | 67.8% | — |
| LiveBench Data Analysis | 55% | — |
| Epoch Capabilities Index | 133.55 | — |
| ForecastBench | 60.7 | — |
| LiveBench | 59% | — |
Math Phi 3 Medium 4k Instruct leads
Claude 3.5 Sonnet: 19.2 (#288), Phi 3 Medium 4k Instruct: 33.4 (#202)
| Benchmark | Claude 3.5 Sonnet | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Math | 1307 | 1173 |
| OTIS Mock AIME 2024-2025 | 8.5% | — |
| Omni-MATH | 27.6% | — |
| LiveBench Math | 52.3% | — |
| MATH Level 5 | 56.9% | — |
| FrontierMath (Feb 2025 set) | 2.1% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Phi 3 Medium 4k Instruct leads
Claude 3.5 Sonnet: 28.6 (#245), Phi 3 Medium 4k Instruct: 30.2 (#229)
| Benchmark | Claude 3.5 Sonnet | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Expert | 1265 | 1108 |
| GPQA Diamond | 55.3% | — |
| Humanity's Last Exam | 4.1% | — |
| MMLU-Pro | 77.7% | — |
| Confabulations | 19.9% | — |
| GPQA (HELM) | 56.5% | — |
| MMLU | 87.3% | — |
Multimodal Not comparable
Claude 3.5 Sonnet: 26.5 (#120), Phi 3 Medium 4k Instruct: —
| Benchmark | Claude 3.5 Sonnet | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Vision | 1125 | — |
| Video-MME | 60% | — |
| GeoBench | 62% | — |
| VPCT | 33% | — |
Multilingual Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 43.2 (#185), Phi 3 Medium 4k Instruct: 30.6 (#263)
| Benchmark | Claude 3.5 Sonnet | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Non-English | 1283 | 1094 |
| LMArena Chinese | 1272 | 1108 |
| LMArena French | 1305 | 1110 |
| LMArena German | 1297 | 1101 |
| LMArena Japanese | 1234 | 1042 |
| LMArena Korean | 1200 | 954 |
| LMArena Russian | 1306 | 1145 |
| LMArena Spanish | 1290 | 1095 |
Instruction Following Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 68.8 (#182), Phi 3 Medium 4k Instruct: 57.6 (#268)
| Benchmark | Claude 3.5 Sonnet | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Instruction Following | 1297 | 1113 |
| LiveBench Instruction Following | 69.3% | — |
| IFEval | 85.5% | — |
Long Context Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 39.9 (#167), Phi 3 Medium 4k Instruct: 34.0 (#255)
| Benchmark | Claude 3.5 Sonnet | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Longer Query | 1311 | 1120 |
Writing & Preference Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 52.9 (#164), Phi 3 Medium 4k Instruct: 34.1 (#272)
| Benchmark | Claude 3.5 Sonnet | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Text | 1298 | 1138 |
| LMArena Creative Writing | 1292 | 1107 |
| LMArena Multi-Turn | 1326 | 1088 |
| Short-Story Creative Writing | 80.3% | — |
| EQ-Bench Creative Writing | 1451 | — |
| WildBench | 79.2% | — |
| LiveBench Language | 53.8% | — |
Frequently asked questions
Is Claude 3.5 Sonnet better than Phi 3 Medium 4k Instruct?
Claude 3.5 Sonnet is the stronger model overall, scoring 34.6 to 33.0 on the Noometry Index.
Is Claude 3.5 Sonnet or Phi 3 Medium 4k Instruct better for coding?
Claude 3.5 Sonnet scores higher on coding benchmarks: 39.0 versus 32.9 in the Noometry coding category.
How many benchmarks do Claude 3.5 Sonnet and Phi 3 Medium 4k Instruct share?
17 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and Phi 3 Medium 4k Instruct has 17.