head-to-head

MoonshotAI: Kimi Latest vs OpenAI: GPT-5.4

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.

MoonshotAI: Kimi Latest OpenAI: GPT-5.4
Vendor~moonshotaiopenai
Quality Score100100
Benchmark Score-80.9
Input Price$0.99/M$2.50/M
Output Price$12.75/M$15.00/M
Context Window1,048,5761,050,000
Max Output943,718128,000
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index-64.3
eqbench-82.4

Who wins by task?

TaskMoonshotAI: Kimi LatestOpenAI: GPT-5.4
SQL Generation 132 145
Code Review 132 154
Code Completion 129 120
Code Refactoring 136 157
Bug Fixing 136 158
Unit Test Generation 124 137
Code Documentation 129 140
Regex Writing 117 126
CI/CD Pipelines 120 133
Frontend Component Design 122 133
Data Analysis 124 138
CSV / Spreadsheet Cleanup 132 139
ETL Scripting 128 145
JSON Extraction 129 120
Bulk Data Labeling 125 116
OCR / Document Parsing 131 136
Table Extraction from PDFs 131 136
Long-Document Summarization 136 157
Short-Form Summarization 121 117
Blog Post Writing 120 133

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

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