Model comparison
Amazon Nova Experimental Chat 12 10 vs Step 3.7 Flash
Amazon Nova Experimental Chat 12 10 is the stronger model overall, scoring 42.9 to 37.3 on the Noometry Index.
Last verified . 0 shared benchmarks.
StepFunSummary
- The widest gap is in reasoning, where Amazon Nova Experimental Chat 12 10 leads 29.3 to 21.6.
- Step 3.7 Flash has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 12 10 | Step 3.7 Flash | |
|---|---|---|
| Provider | Amazon | StepFun |
| Noometry Index | 42.9 | 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 | 12 | 5 |
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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 3.7 Flash: 40.0 (#150)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3.7 Flash |
|---|---|---|
| SciCode | — | 40% |
| LMArena Coding | 1430 | — |
| ALE-Bench | — | 694.12 |
Reasoning Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 29.3 (#94), Step 3.7 Flash: 21.6 (#219)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3.7 Flash |
|---|---|---|
| NYT Connections (extended) | — | 39.7% |
| CritPt | — | 2.3% |
| LMArena Hard Prompts | 1427 | — |
Math Step 3.7 Flash leads
Amazon Nova Experimental Chat 12 10: 38.9 (#124), Step 3.7 Flash: 42.9 (#82)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
| LMArena Math | 1419 | — |
Knowledge Not comparable
Amazon Nova Experimental Chat 12 10: 39.2 (#136), Step 3.7 Flash: —
| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3.7 Flash |
|---|---|---|
| LMArena Expert | 1408 | — |
Multilingual Not comparable
Amazon Nova Experimental Chat 12 10: 51.4 (#108), Step 3.7 Flash: —
| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3.7 Flash |
|---|---|---|
| LMArena Non-English | 1398 | — |
| LMArena Chinese | 1440 | — |
| LMArena Russian | 1395 | — |
Instruction Following Not comparable
Amazon Nova Experimental Chat 12 10: 73.2 (#123), Step 3.7 Flash: —
| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3.7 Flash |
|---|---|---|
| LMArena Instruction Following | 1387 | — |
Long Context Not comparable
Amazon Nova Experimental Chat 12 10: 42.4 (#125), Step 3.7 Flash: —
| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3.7 Flash |
|---|---|---|
| LMArena Longer Query | 1391 | — |
Writing & Preference Not comparable
Amazon Nova Experimental Chat 12 10: 59.5 (#110), Step 3.7 Flash: —
| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3.7 Flash |
|---|---|---|
| LMArena Text | 1420 | — |
| LMArena Creative Writing | 1350 | — |
| LMArena Multi-Turn | 1409 | — |
Frequently asked questions
Is Amazon Nova Experimental Chat 12 10 better than Step 3.7 Flash?
Amazon Nova Experimental Chat 12 10 is the stronger model overall, scoring 42.9 to 37.3 on the Noometry Index.
Is Amazon Nova Experimental Chat 12 10 or Step 3.7 Flash better for coding?
Amazon Nova Experimental Chat 12 10 scores higher on coding benchmarks: 42.2 versus 40.0 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 12 10 and Step 3.7 Flash share?
0 benchmarks have published results for both models. Amazon Nova Experimental Chat 12 10 has 12 scored results on Noometry and Step 3.7 Flash has 5.