Model comparison
Claude 3.5 Sonnet vs Yi-1.5-34B
Claude 3.5 Sonnet is the stronger model overall, scoring 34.4 to 30.2 on the Noometry Index.
Last verified . 21 shared benchmarks.
Summary
- They share 21 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 7 categories and Yi-1.5-34B in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Claude 3.5 Sonnet leads 53.0 to 37.6.
- The biggest single-benchmark swing is MATH Level 5: 56.9% for Claude 3.5 Sonnet and 25.5% for Yi-1.5-34B.
- Yi-1.5-34B has downloadable open weights; the other is API-only.
Side by side
| Claude 3.5 Sonnet | Yi-1.5-34B | |
|---|---|---|
| Provider | Anthropic | 01.AI |
| Noometry Index | 34.4 | 30.2 |
| Released | 2024-06-20 | 2024-05-13 |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 60 | 21 |
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Category by category
Coding Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 39.5 (#145), Yi-1.5-34B: 31.9 (#267)
| Benchmark | Claude 3.5 Sonnet | Yi-1.5-34B |
|---|---|---|
| BigCodeBench Instruct | 46.8% | 33.9% |
| LMArena Coding | 1343 | 1169 |
| BigCodeBench Complete | 58.6% | 43.8% |
| Aider Polyglot | 51.6% | — |
| GSO | 4.6% | — |
| WeirdML | 40% | — |
| LiveBench Coding | 67.1% | — |
| CadEval | 48% | — |
| HumanEval+ | 81.7% | — |
| MBPP+ | 74.3% | — |
Agentic & Tool Use Not comparable
Claude 3.5 Sonnet: 32.1 (#61), Yi-1.5-34B: —
| Benchmark | Claude 3.5 Sonnet | Yi-1.5-34B |
|---|---|---|
| TheAgentCompany | 24% | — |
| Cybench | 17.5% | — |
| BALROG | 32.6% | — |
| METR Time Horizons | 45.2% | — |
Reasoning Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 22.5 (#176), Yi-1.5-34B: 21.5 (#195)
| Benchmark | Claude 3.5 Sonnet | Yi-1.5-34B |
|---|---|---|
| LMArena Hard Prompts | 1305 | 1160 |
| 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 Yi-1.5-34B leads
Claude 3.5 Sonnet: 18.0 (#282), Yi-1.5-34B: 25.3 (#248)
| Benchmark | Claude 3.5 Sonnet | Yi-1.5-34B |
|---|---|---|
| LMArena Math | 1306 | 1182 |
| MATH Level 5 | 56.9% | 25.5% |
| OTIS Mock AIME 2024-2025 | 8.5% | — |
| Omni-MATH | 27.6% | — |
| LiveBench Math | 52.3% | — |
| FrontierMath (Feb 2025 set) | 2.1% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 28.5 (#236), Yi-1.5-34B: 14.8 (#290)
| Benchmark | Claude 3.5 Sonnet | Yi-1.5-34B |
|---|---|---|
| GPQA Diamond | 55.3% | 32% |
| LMArena Expert | 1264 | 1144 |
| 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: 26.0 (#115), Yi-1.5-34B: —
| Benchmark | Claude 3.5 Sonnet | Yi-1.5-34B |
|---|---|---|
| LMArena Vision | 1125 | — |
| Video-MME | 60% | — |
| GeoBench | 62% | — |
| VPCT | 33% | — |
Multilingual Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 43.4 (#180), Yi-1.5-34B: 32.5 (#251)
| Benchmark | Claude 3.5 Sonnet | Yi-1.5-34B |
|---|---|---|
| LMArena Non-English | 1283 | 1121 |
| LMArena Chinese | 1271 | 1213 |
| LMArena French | 1304 | 1155 |
| LMArena German | 1297 | 1111 |
| LMArena Japanese | 1234 | 1021 |
| LMArena Korean | 1200 | 1005 |
| LMArena Russian | 1305 | 1091 |
| LMArena Spanish | 1289 | 1120 |
Instruction Following Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 69.0 (#177), Yi-1.5-34B: 59.4 (#252)
| Benchmark | Claude 3.5 Sonnet | Yi-1.5-34B |
|---|---|---|
| LMArena Instruction Following | 1297 | 1139 |
| LiveBench Instruction Following | 69.3% | — |
| IFEval | 85.5% | — |
Long Context Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 39.9 (#162), Yi-1.5-34B: 34.6 (#243)
| Benchmark | Claude 3.5 Sonnet | Yi-1.5-34B |
|---|---|---|
| LMArena Longer Query | 1311 | 1144 |
Writing & Preference Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 53.0 (#159), Yi-1.5-34B: 37.6 (#252)
| Benchmark | Claude 3.5 Sonnet | Yi-1.5-34B |
|---|---|---|
| LMArena Text | 1298 | 1173 |
| LMArena Creative Writing | 1292 | 1135 |
| LMArena Multi-Turn | 1326 | 1153 |
| 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 Yi-1.5-34B?
Claude 3.5 Sonnet is the stronger model overall, scoring 34.4 to 30.2 on the Noometry Index.
Is Claude 3.5 Sonnet or Yi-1.5-34B better for coding?
Claude 3.5 Sonnet scores higher on coding benchmarks: 39.5 versus 31.9 in the Noometry coding category.
How many benchmarks do Claude 3.5 Sonnet and Yi-1.5-34B share?
21 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and Yi-1.5-34B has 21.