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

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-23.

MoonshotAI: Kimi K2.7 Code OpenAI: GPT-5.4
Vendormoonshotaiopenai
Quality Score100100
Benchmark Score74.390.4
Input Price$0.61/M$2.50/M
Output Price$3.07/M$15.00/M
Context Window262,1441,050,000
Max Output262,144128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index69.284.8
ai_index_agentic48.867.8
ai_index_coding100.0100.0
eqbench-82.4

Who wins by task?

TaskMoonshotAI: Kimi K2.7 CodeOpenAI: GPT-5.4
SQL Generation 163 174
Code Review 155 175
Code Completion 129 120
Code Refactoring 151 174
Bug Fixing 165 188
Unit Test Generation 147 159
Code Documentation 135 146
Regex Writing 133 136
CI/CD Pipelines 138 149
Frontend Component Design 142 149
Data Analysis 162 173
CSV / Spreadsheet Cleanup 147 157
ETL Scripting 144 161
JSON Extraction 147 137
Bulk Data Labeling 134 122
OCR / Document Parsing 142 149
Table Extraction from PDFs 142 149
Long-Document Summarization 147 168
Short-Form Summarization 130 122
Blog Post Writing 134 144

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

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