Model comparison
Amazon Nova Experimental Chat 10 09 vs Step 3.7 Flash
Amazon Nova Experimental Chat 10 09 is the stronger model overall, scoring 41.9 to 37.3 on the Noometry Index.
Last verified . 0 shared benchmarks.
StepFunSummary
- The widest gap is in reasoning, where Amazon Nova Experimental Chat 10 09 leads 27.3 to 21.6.
- Step 3.7 Flash has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 10 09 | Step 3.7 Flash | |
|---|---|---|
| Provider | Amazon | StepFun |
| Noometry Index | 41.9 | 37.3 |
| Released | — | 2026-05-29 |
| Weights | Proprietary | Open |
| Context window | — | 256K |
| Max output | — | 256K |
| Input $ / M tokens | — | $0.18 |
| Output $ / M tokens | — | $1.11 |
| Results tracked | 9 | 5 |
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Category by category
Coding Too close to call
Amazon Nova Experimental Chat 10 09: 40.2 (#145), Step 3.7 Flash: 40.0 (#150)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Step 3.7 Flash |
|---|---|---|
| SciCode | — | 40% |
| LMArena Coding | 1370 | — |
| ALE-Bench | — | 694.12 |
Reasoning Amazon Nova Experimental Chat 10 09 leads
Amazon Nova Experimental Chat 10 09: 27.3 (#120), Step 3.7 Flash: 21.6 (#219)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Step 3.7 Flash |
|---|---|---|
| NYT Connections (extended) | — | 39.7% |
| CritPt | — | 2.3% |
| LMArena Hard Prompts | 1356 | — |
Math Not comparable
Amazon Nova Experimental Chat 10 09: —, Step 3.7 Flash: 42.9 (#82)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
Multilingual Not comparable
Amazon Nova Experimental Chat 10 09: 47.3 (#150), Step 3.7 Flash: —
| Benchmark | Amazon Nova Experimental Chat 10 09 | Step 3.7 Flash |
|---|---|---|
| LMArena Non-English | 1340 | — |
| LMArena Chinese | 1341 | — |
Instruction Following Not comparable
Amazon Nova Experimental Chat 10 09: 69.4 (#172), Step 3.7 Flash: —
| Benchmark | Amazon Nova Experimental Chat 10 09 | Step 3.7 Flash |
|---|---|---|
| LMArena Instruction Following | 1315 | — |
Long Context Not comparable
Amazon Nova Experimental Chat 10 09: 40.5 (#152), Step 3.7 Flash: —
| Benchmark | Amazon Nova Experimental Chat 10 09 | Step 3.7 Flash |
|---|---|---|
| LMArena Longer Query | 1333 | — |
Writing & Preference Not comparable
Amazon Nova Experimental Chat 10 09: 54.7 (#149), Step 3.7 Flash: —
| Benchmark | Amazon Nova Experimental Chat 10 09 | Step 3.7 Flash |
|---|---|---|
| LMArena Text | 1364 | — |
| LMArena Creative Writing | 1307 | — |
| LMArena Multi-Turn | 1355 | — |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 09 better than Step 3.7 Flash?
Amazon Nova Experimental Chat 10 09 is the stronger model overall, scoring 41.9 to 37.3 on the Noometry Index.
Is Amazon Nova Experimental Chat 10 09 or Step 3.7 Flash better for coding?
They score almost the same on coding (40.2 vs 40.0); test both on your own repository before choosing.
How many benchmarks do Amazon Nova Experimental Chat 10 09 and Step 3.7 Flash share?
0 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 09 has 9 scored results on Noometry and Step 3.7 Flash has 5.