head-to-head
StepFun: Step 3.7 Flash vs Mistral: Mistral Medium 3.5
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-22.
| StepFun: Step 3.7 Flash | Mistral: Mistral Medium 3.5 | |
|---|---|---|
| Vendor | stepfun | mistralai |
| Quality Score | 100 | 100 |
| Benchmark Score | 48.0 | 52.2 |
| Input Price | $0.20/M | $1.50/M |
| Output Price | $1.15/M | $7.50/M |
| Context Window | 256,000 | 262,144 |
| Max Output | 256,000 | - |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
| Benchmark Scores | ||
| ai_index | 49.1 | 49.4 |
| ai_index_agentic | 35.5 | 31.3 |
| ai_index_coding | 61.6 | 77.4 |
Who wins by task?
| Task | StepFun: Step 3.7 Flash | Mistral: Mistral Medium 3.5 |
|---|---|---|
| SQL Generation | 152 | 153 |
| Code Review | 145 | 147 |
| Code Completion | 129 | 116 |
| Code Refactoring | 143 | 144 |
| Bug Fixing | 154 | 155 |
| Unit Test Generation | 138 | 140 |
| Code Documentation | 132 | 131 |
| Regex Writing | 129 | 128 |
| CI/CD Pipelines | 131 | 132 |
| Frontend Component Design | 135 | 137 |
| Data Analysis | 149 | 151 |
| CSV / Spreadsheet Cleanup | 140 | 142 |
| ETL Scripting | 137 | 138 |
| JSON Extraction | 142 | 134 |
| Bulk Data Labeling | 133 | 123 |
| OCR / Document Parsing | 137 | 139 |
| Table Extraction from PDFs | 137 | 139 |
| Short-Form Summarization | 128 | 119 |
| Blog Post Writing | 129 | 129 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →
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