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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 2026-06-14.

MoonshotAI: Kimi K2.7 Code StepFun: Step 3.7 Flash
Vendormoonshotaistepfun
Quality Score100100
Benchmark Score-74.4
Input Price$0.75/M$0.20/M
Output Price$3.50/M$1.15/M
Context Window262,144256,000
Max Output262,144256,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-70.3
ai_index_agentic-98.2
ai_index_coding-61.2

Who wins by task?

TaskMoonshotAI: Kimi K2.7 CodeStepFun: Step 3.7 Flash
SQL Generation 130 163
Code Review 126 156
Code Completion 128 130
Code Refactoring 127 151
Bug Fixing 130 171
Unit Test Generation 121 146
Code Documentation 125 136
Regex Writing 119 135
CI/CD Pipelines 117 137
Frontend Component Design 122 142
Data Analysis 124 166
CSV / Spreadsheet Cleanup 128 143
ETL Scripting 122 144
JSON Extraction 131 143
Bulk Data Labeling 128 133
OCR / Document Parsing 128 139
Table Extraction from PDFs 128 139
Long-Document Summarization 129 148
Short-Form Summarization 123 131
Blog Post Writing 118 135

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

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