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OpenAI: GPT-5.6 Luna Pro vs MoonshotAI: Kimi K2.7 Code

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-10.

OpenAI: GPT-5.6 Luna Pro MoonshotAI: Kimi K2.7 Code
Vendoropenaimoonshotai
Quality Score100100
Benchmark Score-74.5
Input Price$1.00/M$0.72/M
Output Price$6.00/M$3.49/M
Context Window1,050,000262,144
Max Output128,000262,144
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-69.2
ai_index_agentic-48.8
ai_index_coding-100.0

Who wins by task?

TaskOpenAI: GPT-5.6 Luna ProMoonshotAI: Kimi K2.7 Code
SQL Generation 133 163
Code Review 132 155
Code Completion 118 129
Code Refactoring 136 151
Bug Fixing 136 165
Unit Test Generation 124 147
Code Documentation 130 135
Regex Writing 118 133
CI/CD Pipelines 120 138
Frontend Component Design 122 142
Data Analysis 124 162
CSV / Spreadsheet Cleanup 133 147
ETL Scripting 128 144
JSON Extraction 122 147
Bulk Data Labeling 119 134
OCR / Document Parsing 131 142
Table Extraction from PDFs 131 142
Long-Document Summarization 137 147
Short-Form Summarization 114 130
Blog Post Writing 121 134

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

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