Model comparison
Claude 3.5 Sonnet vs Solar Pro4
Solar Pro4 is the stronger model overall, scoring 42.1 to 34.6 on the Noometry Index.
Last verified . 17 shared benchmarks.
UpstageSummary
- They share 17 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 0 categories and Solar Pro4 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Solar Pro4 leads 38.8 to 19.2.
Side by side
| Claude 3.5 Sonnet | Solar Pro4 | |
|---|---|---|
| Provider | Anthropic | Upstage |
| Noometry Index | 34.6 | 42.1 |
| Released | 2024-06-20 | 2026-08-06 |
| Weights | Proprietary | Proprietary |
| Context window | — | 524K |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.30 |
| Output $ / M tokens | — | $1.20 |
| Results tracked | 60 | 18 |
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Category by category
Coding Solar Pro4 leads
Claude 3.5 Sonnet: 39.0 (#165), Solar Pro4: 40.1 (#149)
| Benchmark | Claude 3.5 Sonnet | Solar Pro4 |
|---|---|---|
| LMArena Coding | 1342 | 1437 |
| Aider Polyglot | 51.6% | — |
| LMArena WebDev | — | 1371 |
| 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), Solar Pro4: —
| Benchmark | Claude 3.5 Sonnet | Solar Pro4 |
|---|---|---|
| TheAgentCompany | 24% | — |
| Cybench | 17.5% | — |
| BALROG | 32.6% | — |
| METR Time Horizons | 45.2% | — |
Reasoning Solar Pro4 leads
Claude 3.5 Sonnet: 23.1 (#183), Solar Pro4: 28.5 (#104)
| Benchmark | Claude 3.5 Sonnet | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1305 | 1399 |
| 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 Solar Pro4 leads
Claude 3.5 Sonnet: 19.2 (#288), Solar Pro4: 38.8 (#128)
| Benchmark | Claude 3.5 Sonnet | Solar Pro4 |
|---|---|---|
| LMArena Math | 1307 | 1416 |
| 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 Solar Pro4 leads
Claude 3.5 Sonnet: 28.6 (#245), Solar Pro4: 39.8 (#129)
| Benchmark | Claude 3.5 Sonnet | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1265 | 1427 |
| 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), Solar Pro4: —
| Benchmark | Claude 3.5 Sonnet | Solar Pro4 |
|---|---|---|
| LMArena Vision | 1125 | — |
| Video-MME | 60% | — |
| GeoBench | 62% | — |
| VPCT | 33% | — |
Multilingual Solar Pro4 leads
Claude 3.5 Sonnet: 43.2 (#185), Solar Pro4: 48.7 (#139)
| Benchmark | Claude 3.5 Sonnet | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1283 | 1361 |
| LMArena Chinese | 1272 | 1415 |
| LMArena French | 1305 | 1397 |
| LMArena German | 1297 | 1364 |
| LMArena Japanese | 1234 | 1309 |
| LMArena Korean | 1200 | 1382 |
| LMArena Russian | 1306 | 1360 |
| LMArena Spanish | 1290 | 1401 |
Instruction Following Solar Pro4 leads
Claude 3.5 Sonnet: 68.8 (#182), Solar Pro4: 72.7 (#132)
| Benchmark | Claude 3.5 Sonnet | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1297 | 1377 |
| LiveBench Instruction Following | 69.3% | — |
| IFEval | 85.5% | — |
Long Context Solar Pro4 leads
Claude 3.5 Sonnet: 39.9 (#167), Solar Pro4: 42.1 (#130)
| Benchmark | Claude 3.5 Sonnet | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1311 | 1381 |
Writing & Preference Solar Pro4 leads
Claude 3.5 Sonnet: 52.9 (#164), Solar Pro4: 56.5 (#138)
| Benchmark | Claude 3.5 Sonnet | Solar Pro4 |
|---|---|---|
| LMArena Text | 1298 | 1386 |
| LMArena Creative Writing | 1292 | 1316 |
| LMArena Multi-Turn | 1326 | 1385 |
| 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 Solar Pro4?
Solar Pro4 is the stronger model overall, scoring 42.1 to 34.6 on the Noometry Index.
Is Claude 3.5 Sonnet or Solar Pro4 better for coding?
Solar Pro4 scores higher on coding benchmarks: 40.1 versus 39.0 in the Noometry coding category.
How many benchmarks do Claude 3.5 Sonnet and Solar Pro4 share?
17 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and Solar Pro4 has 18.