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StepFun: Step 3.7 Flash vs MoonshotAI: Kimi K2.6

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-12.

StepFun: Step 3.7 Flash MoonshotAI: Kimi K2.6
Vendorstepfunmoonshotai
Quality Score100100
Benchmark Score74.488.9
Input Price$0.20/M$0.67/M
Output Price$1.15/M$3.39/M
Context Window256,000262,144
Max Output256,000262,144
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index70.388.9
ai_index_agentic98.2100.0
ai_index_coding61.277.7
eqbench-76.6

Who wins by task?

TaskStepFun: Step 3.7 FlashMoonshotAI: Kimi K2.6
SQL Generation 163 174
Code Review 156 171
Code Completion 130 132
Code Refactoring 151 165
Bug Fixing 171 186
Unit Test Generation 146 156
Code Documentation 136 144
Regex Writing 135 140
CI/CD Pipelines 137 147
Frontend Component Design 142 149
Data Analysis 166 177
CSV / Spreadsheet Cleanup 143 150
ETL Scripting 144 156
JSON Extraction 143 145
Bulk Data Labeling 133 133
OCR / Document Parsing 139 144
Table Extraction from PDFs 139 144
Long-Document Summarization 148 162
Short-Form Summarization 131 133
Blog Post Writing 135 144

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

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