Model comparison
Amazon Nova Experimental Chat 12 10 vs Step 3
Amazon Nova Experimental Chat 12 10 is the stronger model overall, scoring 42.9 to 40.5 on the Noometry Index.
Last verified . 12 shared benchmarks.
StepFunSummary
- They share 12 benchmarks with published results for both. Amazon Nova Experimental Chat 12 10 scores higher in 8 categories and Step 3 in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Amazon Nova Experimental Chat 12 10 leads 59.5 to 54.3.
- Step 3 has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 12 10 | Step 3 | |
|---|---|---|
| Provider | Amazon | StepFun |
| Noometry Index | 42.9 | 40.5 |
| Released | — | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 12 | 17 |
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Category by category
Coding Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 42.2 (#110), Step 3: 40.1 (#147)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3 |
|---|---|---|
| LMArena Coding | 1430 | 1367 |
Reasoning Too close to call
Amazon Nova Experimental Chat 12 10: 29.3 (#94), Step 3: 28.4 (#105)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3 |
|---|---|---|
| LMArena Hard Prompts | 1427 | 1355 |
| Kagi LLM Benchmark | — | 62.3% |
Math Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 38.9 (#124), Step 3: 37.6 (#148)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3 |
|---|---|---|
| LMArena Math | 1419 | 1366 |
Knowledge Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 39.2 (#136), Step 3: 36.8 (#164)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3 |
|---|---|---|
| LMArena Expert | 1408 | 1333 |
Multimodal Not comparable
Amazon Nova Experimental Chat 12 10: —, Step 3: 35.5 (#86)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3 |
|---|---|---|
| LMArena Vision | — | 1177 |
Multilingual Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 51.4 (#108), Step 3: 46.3 (#159)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3 |
|---|---|---|
| LMArena Non-English | 1398 | 1327 |
| LMArena Chinese | 1440 | 1397 |
| LMArena Russian | 1395 | 1331 |
| LMArena German | — | 1371 |
| LMArena Korean | — | 1269 |
| LMArena Spanish | — | 1371 |
Instruction Following Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 73.2 (#123), Step 3: 70.4 (#164)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3 |
|---|---|---|
| LMArena Instruction Following | 1387 | 1332 |
Long Context Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 42.4 (#125), Step 3: 40.3 (#157)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3 |
|---|---|---|
| LMArena Longer Query | 1391 | 1326 |
Writing & Preference Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 59.5 (#110), Step 3: 54.3 (#151)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3 |
|---|---|---|
| LMArena Text | 1420 | 1350 |
| LMArena Creative Writing | 1350 | 1321 |
| LMArena Multi-Turn | 1409 | 1341 |
Frequently asked questions
Is Amazon Nova Experimental Chat 12 10 better than Step 3?
Amazon Nova Experimental Chat 12 10 is the stronger model overall, scoring 42.9 to 40.5 on the Noometry Index.
Is Amazon Nova Experimental Chat 12 10 or Step 3 better for coding?
Amazon Nova Experimental Chat 12 10 scores higher on coding benchmarks: 42.2 versus 40.1 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 12 10 and Step 3 share?
12 benchmarks have published results for both models. Amazon Nova Experimental Chat 12 10 has 12 scored results on Noometry and Step 3 has 17.