Model comparison
Amazon Nova Experimental Chat 10 09 vs Step 2 16k Exp 202412
Amazon Nova Experimental Chat 10 09 is the stronger model overall, scoring 41.9 to 39.2 on the Noometry Index.
Last verified . 9 shared benchmarks.
StepFunSummary
- They share 9 benchmarks with published results for both. Amazon Nova Experimental Chat 10 09 scores higher in 6 categories and Step 2 16k Exp 202412 in 0 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where Amazon Nova Experimental Chat 10 09 leads 47.3 to 43.7.
Side by side
| Amazon Nova Experimental Chat 10 09 | Step 2 16k Exp 202412 | |
|---|---|---|
| Provider | Amazon | StepFun |
| Noometry Index | 41.9 | 39.2 |
| Released | — | — |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 9 | 12 |
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Category by category
Coding Amazon Nova Experimental Chat 10 09 leads
Amazon Nova Experimental Chat 10 09: 40.2 (#145), Step 2 16k Exp 202412: 38.5 (#174)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Coding | 1370 | 1316 |
Reasoning Amazon Nova Experimental Chat 10 09 leads
Amazon Nova Experimental Chat 10 09: 27.3 (#120), Step 2 16k Exp 202412: 25.9 (#142)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Hard Prompts | 1356 | 1299 |
Math Not comparable
Amazon Nova Experimental Chat 10 09: —, Step 2 16k Exp 202412: 36.3 (#169)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Math | — | 1304 |
Knowledge Not comparable
Amazon Nova Experimental Chat 10 09: —, Step 2 16k Exp 202412: 35.2 (#187)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Expert | — | 1279 |
Multilingual Amazon Nova Experimental Chat 10 09 leads
Amazon Nova Experimental Chat 10 09: 47.3 (#150), Step 2 16k Exp 202412: 43.7 (#181)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Non-English | 1340 | 1290 |
| LMArena Chinese | 1341 | 1331 |
| LMArena Russian | — | 1324 |
Instruction Following Amazon Nova Experimental Chat 10 09 leads
Amazon Nova Experimental Chat 10 09: 69.4 (#172), Step 2 16k Exp 202412: 67.9 (#192)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Instruction Following | 1315 | 1287 |
Long Context Too close to call
Amazon Nova Experimental Chat 10 09: 40.5 (#152), Step 2 16k Exp 202412: 39.7 (#170)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Longer Query | 1333 | 1307 |
Writing & Preference Amazon Nova Experimental Chat 10 09 leads
Amazon Nova Experimental Chat 10 09: 54.7 (#149), Step 2 16k Exp 202412: 52.3 (#173)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Text | 1364 | 1321 |
| LMArena Creative Writing | 1307 | 1328 |
| LMArena Multi-Turn | 1355 | 1292 |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 09 better than Step 2 16k Exp 202412?
Amazon Nova Experimental Chat 10 09 is the stronger model overall, scoring 41.9 to 39.2 on the Noometry Index.
Is Amazon Nova Experimental Chat 10 09 or Step 2 16k Exp 202412 better for coding?
Amazon Nova Experimental Chat 10 09 scores higher on coding benchmarks: 40.2 versus 38.5 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 10 09 and Step 2 16k Exp 202412 share?
9 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 09 has 9 scored results on Noometry and Step 2 16k Exp 202412 has 12.