Model comparison
Nova 2 Lite vs Step 3.7 Flash
Nova 2 Lite is the stronger model overall, scoring 39.7 to 37.3 on the Noometry Index. Step 3.7 Flash costs 2.0× less per token, which makes it the better buy when Nova 2 Lite's lead doesn't matter for your workload.
Last verified . 0 shared benchmarks.
StepFunSummary
- The widest gap is in reasoning, where Nova 2 Lite leads 27.5 to 21.6.
- Step 3.7 Flash is cheaper at $0.18 / $1.11 per million input/output tokens, against $0.30 / $2.50 for Nova 2 Lite.
- Nova 2 Lite accepts more context: 1M tokens versus 256K.
- Step 3.7 Flash has downloadable open weights; the other is API-only.
Side by side
| Nova 2 Lite | Step 3.7 Flash | |
|---|---|---|
| Provider | Amazon | StepFun |
| Noometry Index | 39.7 | 37.3 |
| Released | 2025-12-01 | 2026-05-29 |
| Weights | Proprietary | Open |
| Context window | 1M | 256K |
| Max output | 64K | 256K |
| Input $ / M tokens | $0.30 | $0.18 |
| Output $ / M tokens | $2.50 | $1.11 |
| Results tracked | 19 | 5 |
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Category by category
Coding Too close to call
Nova 2 Lite: 40.7 (#134), Step 3.7 Flash: 40.0 (#150)
| Benchmark | Nova 2 Lite | Step 3.7 Flash |
|---|---|---|
| SciCode | — | 40% |
| LMArena Coding | 1385 | — |
| ALE-Bench | — | 694.12 |
Agentic & Tool Use Not comparable
Nova 2 Lite: 24.1 (#121), Step 3.7 Flash: —
| Benchmark | Nova 2 Lite | Step 3.7 Flash |
|---|---|---|
| Berkeley Function Calling Leaderboard | 27.1% | — |
Reasoning Nova 2 Lite leads
Nova 2 Lite: 27.5 (#118), Step 3.7 Flash: 21.6 (#219)
| Benchmark | Nova 2 Lite | Step 3.7 Flash |
|---|---|---|
| NYT Connections (extended) | — | 39.7% |
| CritPt | — | 2.3% |
| LMArena Hard Prompts | 1364 | — |
Math Step 3.7 Flash leads
Nova 2 Lite: 37.5 (#156), Step 3.7 Flash: 42.9 (#82)
| Benchmark | Nova 2 Lite | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
| LMArena Math | 1359 | — |
Knowledge Not comparable
Nova 2 Lite: 43.0 (#94), Step 3.7 Flash: —
| Benchmark | Nova 2 Lite | Step 3.7 Flash |
|---|---|---|
| Vectara Hallucination Rate | 5.1% | — |
| LMArena Expert | 1358 | — |
Multilingual Not comparable
Nova 2 Lite: 47.1 (#153), Step 3.7 Flash: —
| Benchmark | Nova 2 Lite | Step 3.7 Flash |
|---|---|---|
| LMArena Non-English | 1337 | — |
| LMArena Chinese | 1364 | — |
| LMArena French | 1381 | — |
| LMArena German | 1343 | — |
| LMArena Japanese | 1271 | — |
| LMArena Korean | 1284 | — |
| LMArena Russian | 1343 | — |
| LMArena Spanish | 1373 | — |
Instruction Following Not comparable
Nova 2 Lite: 70.5 (#161), Step 3.7 Flash: —
| Benchmark | Nova 2 Lite | Step 3.7 Flash |
|---|---|---|
| LMArena Instruction Following | 1335 | — |
Long Context Not comparable
Nova 2 Lite: 40.6 (#150), Step 3.7 Flash: —
| Benchmark | Nova 2 Lite | Step 3.7 Flash |
|---|---|---|
| LMArena Longer Query | 1335 | — |
Writing & Preference Not comparable
Nova 2 Lite: 53.9 (#154), Step 3.7 Flash: —
| Benchmark | Nova 2 Lite | Step 3.7 Flash |
|---|---|---|
| LMArena Text | 1362 | — |
| LMArena Creative Writing | 1291 | — |
| LMArena Multi-Turn | 1338 | — |
Frequently asked questions
Is Nova 2 Lite better than Step 3.7 Flash?
Nova 2 Lite is the stronger model overall, scoring 39.7 to 37.3 on the Noometry Index. Step 3.7 Flash costs 2.0× less per token, which makes it the better buy when Nova 2 Lite's lead doesn't matter for your workload.
Which is cheaper, Nova 2 Lite or Step 3.7 Flash?
Step 3.7 Flash is cheaper. It lists at $0.18 per million input tokens and $1.11 per million output tokens; Nova 2 Lite lists at $0.30 and $2.50.
Is Nova 2 Lite or Step 3.7 Flash better for coding?
They score almost the same on coding (40.7 vs 40.0); test both on your own repository before choosing.
Which has the bigger context window?
Nova 2 Lite does, with 1M tokens against 256K.
How many benchmarks do Nova 2 Lite and Step 3.7 Flash share?
0 benchmarks have published results for both models. Nova 2 Lite has 19 scored results on Noometry and Step 3.7 Flash has 5.