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MoonshotAI: Kimi K2.7 Code vs StepFun: Step 3.7 Flash

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-22.

MoonshotAI: Kimi K2.7 Code StepFun: Step 3.7 Flash
Vendormoonshotaistepfun
Quality Score100100
Benchmark Score74.348.0
Input Price$0.61/M$0.20/M
Output Price$3.07/M$1.15/M
Context Window262,144256,000
Max Output262,144256,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index69.249.1
ai_index_agentic48.835.5
ai_index_coding100.061.6

Who wins by task?

TaskMoonshotAI: Kimi K2.7 CodeStepFun: Step 3.7 Flash
SQL Generation 163 152
Code Review 155 145
Code Completion 129 129
Code Refactoring 151 143
Bug Fixing 165 154
Unit Test Generation 147 138
Code Documentation 135 132
Regex Writing 133 129
CI/CD Pipelines 138 131
Frontend Component Design 142 135
Data Analysis 162 149
CSV / Spreadsheet Cleanup 147 140
ETL Scripting 144 137
JSON Extraction 147 142
Bulk Data Labeling 134 133
OCR / Document Parsing 142 137
Table Extraction from PDFs 142 137
Long-Document Summarization 147 141
Short-Form Summarization 130 128
Blog Post Writing 134 129

Scores reflect capability match + benchmark data + pricing for each task. Methodology →

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