Model comparison
Amazon Nova Experimental Chat 10 09 vs Solar Pro4
Amazon Nova Experimental Chat 10 09 and Solar Pro4 score almost the same on the Noometry Index (41.4 vs 41.5), so choose on price, context window or the category you care about most.
Last verified . 9 shared benchmarks.
UpstageSummary
- They share 9 benchmarks with published results for both. Amazon Nova Experimental Chat 10 09 scores higher in 0 categories and Solar Pro4 in 6 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in instruction following, where Solar Pro4 leads 72.8 to 69.7.
Side by side
| Amazon Nova Experimental Chat 10 09 | Solar Pro4 | |
|---|---|---|
| Provider | Amazon | Upstage |
| Noometry Index | 41.4 | 41.5 |
| Released | — | 2026-08-06 |
| Weights | Proprietary | Proprietary |
| Context window | — | 524K |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.30 |
| Output $ / M tokens | — | $1.20 |
| Results tracked | 9 | 18 |
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Category by category
Coding Too close to call
Amazon Nova Experimental Chat 10 09: 39.6 (#142), Solar Pro4: 39.9 (#135)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Solar Pro4 |
|---|---|---|
| LMArena Coding | 1371 | 1439 |
| LMArena WebDev | — | 1371 |
Reasoning Solar Pro4 leads
Amazon Nova Experimental Chat 10 09: 26.2 (#122), Solar Pro4: 27.3 (#107)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1356 | 1398 |
Math Not comparable
Amazon Nova Experimental Chat 10 09: —, Solar Pro4: 36.1 (#129)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Solar Pro4 |
|---|---|---|
| LMArena Math | — | 1418 |
Knowledge Not comparable
Amazon Nova Experimental Chat 10 09: —, Solar Pro4: 39.0 (#128)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Solar Pro4 |
|---|---|---|
| LMArena Expert | — | 1421 |
Multilingual Solar Pro4 leads
Amazon Nova Experimental Chat 10 09: 47.5 (#145), Solar Pro4: 49.0 (#134)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1341 | 1362 |
| LMArena Chinese | 1345 | 1417 |
| LMArena French | — | 1403 |
| LMArena German | — | 1351 |
| LMArena Japanese | — | 1300 |
| LMArena Korean | — | 1383 |
| LMArena Russian | — | 1360 |
| LMArena Spanish | — | 1408 |
Instruction Following Solar Pro4 leads
Amazon Nova Experimental Chat 10 09: 69.7 (#167), Solar Pro4: 72.8 (#128)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1316 | 1376 |
Long Context Solar Pro4 leads
Amazon Nova Experimental Chat 10 09: 40.6 (#146), Solar Pro4: 42.0 (#125)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1334 | 1379 |
Writing & Preference Solar Pro4 leads
Amazon Nova Experimental Chat 10 09: 55.0 (#144), Solar Pro4: 56.7 (#133)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Solar Pro4 |
|---|---|---|
| LMArena Text | 1365 | 1386 |
| LMArena Creative Writing | 1307 | 1313 |
| LMArena Multi-Turn | 1354 | 1391 |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 09 better than Solar Pro4?
Amazon Nova Experimental Chat 10 09 and Solar Pro4 score almost the same on the Noometry Index (41.4 vs 41.5), so choose on price, context window or the category you care about most.
Is Amazon Nova Experimental Chat 10 09 or Solar Pro4 better for coding?
They score almost the same on coding (39.6 vs 39.9); test both on your own repository before choosing.
How many benchmarks do Amazon Nova Experimental Chat 10 09 and Solar Pro4 share?
9 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 09 has 9 scored results on Noometry and Solar Pro4 has 18.