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MoonshotAI: Kimi K2.7 Code vs xAI: Grok 4.3

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-22.

MoonshotAI: Kimi K2.7 Code xAI: Grok 4.3
Vendormoonshotaix-ai
Quality Score100100
Benchmark Score74.357.7
Input Price$0.61/M$1.25/M
Output Price$3.07/M$2.50/M
Context Window262,1441,000,000
Max Output262,144-
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index69.262.0
ai_index_agentic48.839.8
ai_index_coding100.069.7

Who wins by task?

TaskMoonshotAI: Kimi K2.7 CodexAI: Grok 4.3
SQL Generation 163 158
Code Review 155 155
Code Completion 129 120
Code Refactoring 151 155
Bug Fixing 165 164
Unit Test Generation 147 144
Code Documentation 135 139
Regex Writing 133 130
CI/CD Pipelines 138 136
Frontend Component Design 142 138
Data Analysis 162 153
CSV / Spreadsheet Cleanup 147 147
ETL Scripting 144 145
JSON Extraction 147 134
Bulk Data Labeling 134 124
OCR / Document Parsing 142 141
Table Extraction from PDFs 142 141
Long-Document Summarization 147 152
Short-Form Summarization 130 120
Blog Post Writing 134 134

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

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