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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 2026-06-16.

MoonshotAI: Kimi K2.7 Code xAI: Grok 4.3
Vendormoonshotaix-ai
Quality Score100100
Benchmark Score-84.8
Input Price$0.75/M$1.25/M
Output Price$3.50/M$2.50/M
Context Window262,1441,000,000
Max Output262,144-
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-87.8
ai_index_agentic-100.0
ai_index_coding-67.7

Who wins by task?

TaskMoonshotAI: Kimi K2.7 CodexAI: Grok 4.3
SQL Generation 130 169
Code Review 126 166
Code Completion 128 121
Code Refactoring 127 163
Bug Fixing 130 181
Unit Test Generation 121 152
Code Documentation 125 143
Regex Writing 119 136
CI/CD Pipelines 117 143
Frontend Component Design 122 145
Data Analysis 124 170
CSV / Spreadsheet Cleanup 128 150
ETL Scripting 122 153
JSON Extraction 131 136
Bulk Data Labeling 128 125
OCR / Document Parsing 128 144
Table Extraction from PDFs 128 144
Long-Document Summarization 129 160
Short-Form Summarization 123 124
Blog Post Writing 118 140

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

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