Model comparison
Claude 2.1 vs Solar Pro4
Solar Pro4 is the stronger model overall, scoring 41.5 to 24.9 on the Noometry Index.
Last verified . 0 shared benchmarks.
UpstageSummary
- The widest gap is in math, where Solar Pro4 leads 36.1 to 9.6.
Side by side
| Claude 2.1 | Solar Pro4 | |
|---|---|---|
| Provider | Anthropic | Upstage |
| Noometry Index | 24.9 | 41.5 |
| Released | 2023-11-21 | 2026-08-06 |
| Weights | Proprietary | Proprietary |
| Context window | — | 524K |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.30 |
| Output $ / M tokens | — | $1.20 |
| Results tracked | 7 | 18 |
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Category by category
Coding Solar Pro4 leads
Claude 2.1: 25.8 (#322), Solar Pro4: 39.9 (#135)
| Benchmark | Claude 2.1 | Solar Pro4 |
|---|---|---|
| LMArena WebDev | — | 1371 |
| WeirdML | 7.1% | — |
| LMArena Coding | — | 1439 |
Reasoning Solar Pro4 leads
Claude 2.1: 20.6 (#216), Solar Pro4: 27.3 (#107)
| Benchmark | Claude 2.1 | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | — | 1398 |
| DTBench | 51% | — |
| Epoch Capabilities Index | 119.22 | — |
| ForecastBench | 54.2 | — |
Math Solar Pro4 leads
Claude 2.1: 9.6 (#309), Solar Pro4: 36.1 (#129)
| Benchmark | Claude 2.1 | Solar Pro4 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | — |
| LMArena Math | — | 1418 |
Knowledge Solar Pro4 leads
Claude 2.1: 15.5 (#287), Solar Pro4: 39.0 (#128)
| Benchmark | Claude 2.1 | Solar Pro4 |
|---|---|---|
| GPQA Diamond | 33% | — |
| LMArena Expert | — | 1421 |
| MMLU | 73.5% | — |
Multilingual Not comparable
Claude 2.1: —, Solar Pro4: 49.0 (#134)
| Benchmark | Claude 2.1 | Solar Pro4 |
|---|---|---|
| LMArena Non-English | — | 1362 |
| LMArena Chinese | — | 1417 |
| LMArena French | — | 1403 |
| LMArena German | — | 1351 |
| LMArena Japanese | — | 1300 |
| LMArena Korean | — | 1383 |
| LMArena Russian | — | 1360 |
| LMArena Spanish | — | 1408 |
Instruction Following Not comparable
Claude 2.1: —, Solar Pro4: 72.8 (#128)
| Benchmark | Claude 2.1 | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | — | 1376 |
Long Context Not comparable
Claude 2.1: —, Solar Pro4: 42.0 (#125)
| Benchmark | Claude 2.1 | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | — | 1379 |
Writing & Preference Not comparable
Claude 2.1: —, Solar Pro4: 56.7 (#133)
| Benchmark | Claude 2.1 | Solar Pro4 |
|---|---|---|
| LMArena Text | — | 1386 |
| LMArena Creative Writing | — | 1313 |
| LMArena Multi-Turn | — | 1391 |
Frequently asked questions
Is Claude 2.1 better than Solar Pro4?
Solar Pro4 is the stronger model overall, scoring 41.5 to 24.9 on the Noometry Index.
Is Claude 2.1 or Solar Pro4 better for coding?
Solar Pro4 scores higher on coding benchmarks: 39.9 versus 25.8 in the Noometry coding category.
How many benchmarks do Claude 2.1 and Solar Pro4 share?
0 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Solar Pro4 has 18.