StepFun: Step 3.7 Flash vs NVIDIA: Nemotron 3 Nano Omni (free)
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| StepFun: Step 3.7 Flash | NVIDIA: Nemotron 3 Nano Omni (free) | |
|---|---|---|
| Vendor | stepfun | nvidia |
| Quality Score | 100 | 100 |
| Benchmark Score | 50.8 | - |
| Input Price | $0.20/M | Free |
| Output Price | $1.15/M | Free |
| Context Window | 262,144 | 256,000 |
| Max Output | 230,400 | 65,536 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | - |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | ✓ |
| Benchmark Scores | ||
| ai_index | 49.9 | - |
| ai_index_agentic | 35.5 | - |
| ai_index_coding | 65.3 | - |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Nemotron 3 Nano Omni (free) costs $0 and Step 3.7 Flash costs $0.49, so Nemotron 3 Nano Omni (free) is free for the same work.
Both take in a similar amount of text: 262,144 and 256,000 tokens, about 393 and 384 pages.
Only Step 3.7 Flash offers structured output; only Nemotron 3 Nano Omni (free) offers audio input.
Across the 20 tasks where they differ, Step 3.7 Flash scores higher on 20 (SQL Generation, Code Review, Code Completion and others).
Step 3.7 Flash was released in May 2026 and Nemotron 3 Nano Omni (free) in April 2026.
Pick Step 3.7 Flash if you need structured output or the stronger all-round task scores; pick Nemotron 3 Nano Omni (free) if you need lower cost or audio input.
Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.
Who wins by task?
| Task | StepFun: Step 3.7 Flash | NVIDIA: Nemotron 3 Nano Omni (free) |
|---|---|---|
| SQL Generation | 153 | 123 |
| Code Review | 146 | 122 |
| Code Completion | 130 | 129 |
| Code Refactoring | 144 | 123 |
| Bug Fixing | 155 | 130 |
| Unit Test Generation | 139 | 113 |
| Code Documentation | 133 | 126 |
| Regex Writing | 129 | 120 |
| CI/CD Pipelines | 131 | 113 |
| Frontend Component Design | 136 | 118 |
| Data Analysis | 150 | 120 |
| CSV / Spreadsheet Cleanup | 141 | 116 |
| ETL Scripting | 137 | 118 |
| JSON Extraction | 142 | 120 |
| Bulk Data Labeling | 133 | 126 |
| OCR / Document Parsing | 138 | 120 |
| Table Extraction from PDFs | 138 | 120 |
| Long-Document Summarization | 142 | 129 |
| Short-Form Summarization | 128 | 124 |
| Blog Post Writing | 129 | 119 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →