Model comparison
Nova 2.0 Pro Preview vs Step 3.7 Flash
Step 3.7 Flash is the stronger model overall, scoring 37.3 to 33.4 on the Noometry Index.
Last verified . 2 shared benchmarks.
StepFunSummary
- They share 2 benchmarks with published results for both. Nova 2.0 Pro Preview scores higher in 2 categories and Step 3.7 Flash in 0 categories, but none of those gaps is larger than the uncertainty.
- Step 3.7 Flash has downloadable open weights; the other is API-only.
Side by side
| Nova 2.0 Pro Preview | Step 3.7 Flash | |
|---|---|---|
| Provider | Amazon | StepFun |
| Noometry Index | 33.4 | 37.3 |
| Released | 2025-12-02 | 2026-05-29 |
| Weights | Proprietary | Open |
| Context window | — | 256K |
| Max output | — | 256K |
| Input $ / M tokens | — | $0.18 |
| Output $ / M tokens | — | $1.11 |
| Results tracked | 3 | 5 |
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Category by category
Coding Too close to call
Nova 2.0 Pro Preview: 40.8 (#133), Step 3.7 Flash: 40.0 (#150)
Agentic & Tool Use Not comparable
Nova 2.0 Pro Preview: 21.9 (#136), Step 3.7 Flash: —
| Benchmark | Nova 2.0 Pro Preview | Step 3.7 Flash |
|---|---|---|
| GDP.pdf | 2% | — |
Reasoning Too close to call
Nova 2.0 Pro Preview: 22.4 (#194), Step 3.7 Flash: 21.6 (#219)
| Benchmark | Nova 2.0 Pro Preview | Step 3.7 Flash |
|---|---|---|
| CritPt | 0% | 2.3% |
| NYT Connections (extended) | — | 39.7% |
Math Not comparable
Nova 2.0 Pro Preview: —, Step 3.7 Flash: 42.9 (#82)
| Benchmark | Nova 2.0 Pro Preview | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
Frequently asked questions
Is Nova 2.0 Pro Preview better than Step 3.7 Flash?
Step 3.7 Flash is the stronger model overall, scoring 37.3 to 33.4 on the Noometry Index.
Is Nova 2.0 Pro Preview or Step 3.7 Flash better for coding?
They score almost the same on coding (40.8 vs 40.0); test both on your own repository before choosing.
How many benchmarks do Nova 2.0 Pro Preview and Step 3.7 Flash share?
2 benchmarks have published results for both models. Nova 2.0 Pro Preview has 3 scored results on Noometry and Step 3.7 Flash has 5.