head-to-head

SpaceXAI: Grok 4.5 vs MoonshotAI: Kimi Latest

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

SpaceXAI: Grok 4.5 MoonshotAI: Kimi Latest
Vendorx-ai~moonshotai
Quality Score100100
Benchmark Score65.0-
Input Price$2.00/M$0.99/M
Output Price$6.00/M$12.75/M
Context Window500,0001,048,576
Max Output450,000943,718
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index64.0-

Who wins by task?

TaskSpaceXAI: Grok 4.5MoonshotAI: Kimi Latest
SQL Generation 140 132
Code Review 144 132
Code Completion 119 129
Code Refactoring 146 136
Bug Fixing 148 136
Unit Test Generation 131 124
Code Documentation 136 129
Regex Writing 124 117
CI/CD Pipelines 127 120
Frontend Component Design 129 122
Data Analysis 133 124
CSV / Spreadsheet Cleanup 135 132
ETL Scripting 137 128
JSON Extraction 122 129
Bulk Data Labeling 119 125
OCR / Document Parsing 134 131
Table Extraction from PDFs 134 131
Long-Document Summarization 147 136
Short-Form Summarization 117 121
Blog Post Writing 128 120

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

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