Model comparison
Amazon Nova Experimental Chat 10 20 vs Step 3
Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 40.5 on the Noometry Index.
Last verified . 15 shared benchmarks.
StepFunSummary
- They share 15 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 7 categories and Step 3 in 1 category; 7 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where Amazon Nova Experimental Chat 10 20 leads 49.5 to 46.3.
- Step 3 has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 10 20 | Step 3 | |
|---|---|---|
| Provider | Amazon | StepFun |
| Noometry Index | 42.1 | 40.5 |
| Released | — | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 17 | 17 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 41.6 (#123), Step 3: 40.1 (#147)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Step 3 |
|---|---|---|
| LMArena Coding | 1412 | 1367 |
Reasoning Too close to call
Amazon Nova Experimental Chat 10 20: 28.4 (#106), Step 3: 28.4 (#105)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Step 3 |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1355 |
| Kagi LLM Benchmark | — | 62.3% |
Math Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 39.0 (#119), Step 3: 37.6 (#148)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Step 3 |
|---|---|---|
| LMArena Math | 1425 | 1366 |
Knowledge Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 38.5 (#144), Step 3: 36.8 (#164)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Step 3 |
|---|---|---|
| LMArena Expert | 1386 | 1333 |
Multimodal Not comparable
Amazon Nova Experimental Chat 10 20: —, Step 3: 35.5 (#86)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Step 3 |
|---|---|---|
| LMArena Vision | — | 1177 |
Multilingual Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 49.5 (#131), Step 3: 46.3 (#159)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Step 3 |
|---|---|---|
| LMArena Non-English | 1372 | 1327 |
| LMArena Chinese | 1404 | 1397 |
| LMArena German | 1391 | 1371 |
| LMArena Korean | 1324 | 1269 |
| LMArena Russian | 1371 | 1331 |
| LMArena Spanish | 1382 | 1371 |
| LMArena French | 1425 | — |
| LMArena Japanese | 1360 | — |
Instruction Following Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 72.1 (#141), Step 3: 70.4 (#164)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Step 3 |
|---|---|---|
| LMArena Instruction Following | 1365 | 1332 |
Long Context Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 41.7 (#133), Step 3: 40.3 (#157)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Step 3 |
|---|---|---|
| LMArena Longer Query | 1370 | 1326 |
Writing & Preference Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 56.6 (#136), Step 3: 54.3 (#151)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Step 3 |
|---|---|---|
| LMArena Text | 1394 | 1350 |
| LMArena Creative Writing | 1318 | 1321 |
| LMArena Multi-Turn | 1364 | 1341 |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 20 better than Step 3?
Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 40.5 on the Noometry Index.
Is Amazon Nova Experimental Chat 10 20 or Step 3 better for coding?
Amazon Nova Experimental Chat 10 20 scores higher on coding benchmarks: 41.6 versus 40.1 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 10 20 and Step 3 share?
15 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Step 3 has 17.