Model comparison
Amazon Nova Pro vs Step 3
Step 3 is the stronger model overall, scoring 40.5 to 31.0 on the Noometry Index.
Last verified . 16 shared benchmarks.
StepFunSummary
- They share 16 benchmarks with published results for both. Amazon Nova Pro scores higher in 0 categories and Step 3 in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in multimodal, where Step 3 leads 35.5 to 25.0.
- Step 3 has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Pro | Step 3 | |
|---|---|---|
| Provider | Amazon | StepFun |
| Noometry Index | 31.0 | 40.5 |
| Released | 2024-12-03 | — |
| Weights | Proprietary | Open |
| Context window | 300K | — |
| Max output | 10K | — |
| Input $ / M tokens | $0.80 | — |
| Output $ / M tokens | $3.20 | — |
| Results tracked | 38 | 17 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Step 3 leads
Amazon Nova Pro: 35.1 (#229), Step 3: 40.1 (#147)
| Benchmark | Amazon Nova Pro | Step 3 |
|---|---|---|
| LMArena Coding | 1270 | 1367 |
| LiveBench Coding | 38.1% | — |
Agentic & Tool Use Not comparable
Amazon Nova Pro: 16.7 (#147), Step 3: —
| Benchmark | Amazon Nova Pro | Step 3 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 25% | — |
| TheAgentCompany | 1.7% | — |
Reasoning Step 3 leads
Amazon Nova Pro: 20.0 (#243), Step 3: 28.4 (#105)
| Benchmark | Amazon Nova Pro | Step 3 |
|---|---|---|
| LMArena Hard Prompts | 1246 | 1355 |
| Kagi LLM Benchmark | — | 62.3% |
| LiveBench Reasoning | 32.6% | — |
| LiveBench Data Analysis | 48.3% | — |
| Epoch Capabilities Index | 123.8 | — |
| LiveBench | 43.5% | — |
Math Step 3 leads
Amazon Nova Pro: 28.5 (#243), Step 3: 37.6 (#148)
| Benchmark | Amazon Nova Pro | Step 3 |
|---|---|---|
| LMArena Math | 1252 | 1366 |
| Omni-MATH | 24.2% | — |
| LiveBench Math | 38% | — |
Knowledge Step 3 leads
Amazon Nova Pro: 27.4 (#250), Step 3: 36.8 (#164)
| Benchmark | Amazon Nova Pro | Step 3 |
|---|---|---|
| LMArena Expert | 1211 | 1333 |
| Humanity's Last Exam | 4.4% | — |
| MMLU-Pro | 67.3% | — |
| Confabulations | 30.1% | — |
| Vectara Hallucination Rate | 5.1% | — |
| GPQA (HELM) | 44.6% | — |
| MMLU | 82% | — |
Multimodal Step 3 leads
Amazon Nova Pro: 25.0 (#126), Step 3: 35.5 (#86)
| Benchmark | Amazon Nova Pro | Step 3 |
|---|---|---|
| LMArena Vision | 980 | 1177 |
Multilingual Step 3 leads
Amazon Nova Pro: 39.7 (#223), Step 3: 46.3 (#159)
| Benchmark | Amazon Nova Pro | Step 3 |
|---|---|---|
| LMArena Non-English | 1234 | 1327 |
| LMArena Chinese | 1244 | 1397 |
| LMArena German | 1243 | 1371 |
| LMArena Korean | 1203 | 1269 |
| LMArena Russian | 1240 | 1331 |
| LMArena Spanish | 1182 | 1371 |
| LMArena French | 1271 | — |
| LMArena Japanese | 1200 | — |
Instruction Following Step 3 leads
Amazon Nova Pro: 64.9 (#226), Step 3: 70.4 (#164)
| Benchmark | Amazon Nova Pro | Step 3 |
|---|---|---|
| LMArena Instruction Following | 1235 | 1332 |
| LiveBench Instruction Following | 67.1% | — |
| IFEval | 81.5% | — |
Long Context Step 3 leads
Amazon Nova Pro: 38.1 (#205), Step 3: 40.3 (#157)
| Benchmark | Amazon Nova Pro | Step 3 |
|---|---|---|
| LMArena Longer Query | 1255 | 1326 |
Writing & Preference Step 3 leads
Amazon Nova Pro: 43.9 (#226), Step 3: 54.3 (#151)
| Benchmark | Amazon Nova Pro | Step 3 |
|---|---|---|
| LMArena Text | 1259 | 1350 |
| LMArena Creative Writing | 1212 | 1321 |
| LMArena Multi-Turn | 1246 | 1341 |
| Short-Story Creative Writing | 60.5% | — |
| WildBench | 77.7% | — |
| LiveBench Language | 37% | — |
Frequently asked questions
Is Amazon Nova Pro better than Step 3?
Step 3 is the stronger model overall, scoring 40.5 to 31.0 on the Noometry Index.
Is Amazon Nova Pro or Step 3 better for coding?
Step 3 scores higher on coding benchmarks: 40.1 versus 35.1 in the Noometry coding category.
How many benchmarks do Amazon Nova Pro and Step 3 share?
16 benchmarks have published results for both models. Amazon Nova Pro has 38 scored results on Noometry and Step 3 has 17.