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MoonshotAI Kimi Latest vs OpenAI: GPT-5.4

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

MoonshotAI Kimi Latest OpenAI: GPT-5.4
Vendor~moonshotaiopenai
Quality Score100100
Benchmark Score-90.4
Input Price$0.66/M$2.50/M
Output Price$3.41/M$15.00/M
Context Window262,1441,050,000
Max Output262,144128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-84.8
ai_index_agentic-67.8
ai_index_coding-100.0
eqbench-82.4

Who wins by task?

TaskMoonshotAI Kimi LatestOpenAI: GPT-5.4
SQL Generation 130 174
Code Review 126 175
Code Completion 128 120
Code Refactoring 127 174
Bug Fixing 130 188
Unit Test Generation 121 159
Code Documentation 125 146
Regex Writing 119 136
CI/CD Pipelines 117 149
Frontend Component Design 122 149
Data Analysis 124 173
CSV / Spreadsheet Cleanup 128 157
ETL Scripting 122 161
JSON Extraction 131 137
Bulk Data Labeling 128 122
OCR / Document Parsing 128 149
Table Extraction from PDFs 128 149
Long-Document Summarization 129 168
Short-Form Summarization 123 122
Blog Post Writing 118 144

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

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