Model comparison
Nova Premier 1.0 vs Step 3.7 Flash
Nova Premier 1.0 is the stronger model overall, scoring 38.3 to 37.3 on the Noometry Index. Step 3.7 Flash costs 12× less per token, which makes it the better buy when Nova Premier 1.0's lead doesn't matter for your workload.
Last verified . 0 shared benchmarks.
StepFunSummary
- The widest gap is in math, where Step 3.7 Flash leads 42.9 to 33.8.
- Step 3.7 Flash is cheaper at $0.18 / $1.11 per million input/output tokens, against $2.50 / $12.50 for Nova Premier 1.0.
- Nova Premier 1.0 accepts more context: 1M tokens versus 256K.
- Step 3.7 Flash has downloadable open weights; the other is API-only.
Side by side
| Nova Premier 1.0 | Step 3.7 Flash | |
|---|---|---|
| Provider | Amazon | StepFun |
| Noometry Index | 38.3 | 37.3 |
| Released | 2025-04-30 | 2026-05-29 |
| Weights | Proprietary | Open |
| Context window | 1M | 256K |
| Max output | 10K | 256K |
| Input $ / M tokens | $2.50 | $0.18 |
| Output $ / M tokens | $12.50 | $1.11 |
| Results tracked | 6 | 5 |
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Category by category
Coding Not comparable
Nova Premier 1.0: —, Step 3.7 Flash: 40.0 (#150)
Reasoning Nova Premier 1.0 leads
Nova Premier 1.0: 23.0 (#185), Step 3.7 Flash: 21.6 (#219)
| Benchmark | Nova Premier 1.0 | Step 3.7 Flash |
|---|---|---|
| Kagi LLM Benchmark | 44.8% | — |
| NYT Connections (extended) | — | 39.7% |
| CritPt | — | 2.3% |
Math Step 3.7 Flash leads
Nova Premier 1.0: 33.8 (#199), Step 3.7 Flash: 42.9 (#82)
| Benchmark | Nova Premier 1.0 | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
| Omni-MATH | 35% | — |
Knowledge Not comparable
Nova Premier 1.0: 35.8 (#180), Step 3.7 Flash: —
| Benchmark | Nova Premier 1.0 | Step 3.7 Flash |
|---|---|---|
| MMLU-Pro | 72.6% | — |
| GPQA (HELM) | 51.8% | — |
Instruction Following Not comparable
Nova Premier 1.0: 66.8 (#204), Step 3.7 Flash: —
| Benchmark | Nova Premier 1.0 | Step 3.7 Flash |
|---|---|---|
| IFEval | 80.3% | — |
Writing & Preference Not comparable
Nova Premier 1.0: 51.0 (#178), Step 3.7 Flash: —
| Benchmark | Nova Premier 1.0 | Step 3.7 Flash |
|---|---|---|
| WildBench | 78.8% | — |
Frequently asked questions
Is Nova Premier 1.0 better than Step 3.7 Flash?
Nova Premier 1.0 is the stronger model overall, scoring 38.3 to 37.3 on the Noometry Index. Step 3.7 Flash costs 12× less per token, which makes it the better buy when Nova Premier 1.0's lead doesn't matter for your workload.
Which is cheaper, Nova Premier 1.0 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 Premier 1.0 lists at $2.50 and $12.50.
Which has the bigger context window?
Nova Premier 1.0 does, with 1M tokens against 256K.
How many benchmarks do Nova Premier 1.0 and Step 3.7 Flash share?
0 benchmarks have published results for both models. Nova Premier 1.0 has 6 scored results on Noometry and Step 3.7 Flash has 5.