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MoonshotAI: Kimi K2.7 Code vs OpenAI: GPT-5.4 Nano

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-18.

MoonshotAI: Kimi K2.7 Code OpenAI: GPT-5.4 Nano
Vendormoonshotaiopenai
Quality Score100100
Benchmark Score80.370.5
Input Price$0.74/M$0.20/M
Output Price$3.50/M$1.25/M
Context Window262,144400,000
Max Output16,384128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index69.263.1
ai_index_agentic100.078.5
ai_index_coding75.372.4

Who wins by task?

TaskMoonshotAI: Kimi K2.7 CodeOpenAI: GPT-5.4 Nano
SQL Generation 165 164
Code Review 157 159
Code Completion 129 133
Code Refactoring 152 158
Bug Fixing 173 173
Unit Test Generation 148 148
Code Documentation 136 141
Regex Writing 135 133
CI/CD Pipelines 139 139
Frontend Component Design 144 141
Data Analysis 169 163
CSV / Spreadsheet Cleanup 145 149
ETL Scripting 146 148
JSON Extraction 145 144
Bulk Data Labeling 133 134
OCR / Document Parsing 141 143
Table Extraction from PDFs 141 143
Long-Document Summarization 149 155
Short-Form Summarization 131 130
Blog Post Writing 136 137

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

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