head-to-head

SpaceXAI: Grok 4.5 vs OpenAI: GPT Mini Latest

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

SpaceXAI: Grok 4.5 OpenAI: GPT Mini Latest
Vendorx-ai~openai
Quality Score100100
Benchmark Score65.0-
Input Price$2.00/M$0.75/M
Output Price$6.00/M$4.50/M
Context Window500,000400,000
Max Output450,000128,000
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index64.0-

Who wins by task?

TaskSpaceXAI: Grok 4.5OpenAI: GPT Mini Latest
SQL Generation 140 133
Code Review 144 132
Code Completion 119 130
Code Refactoring 146 136
Bug Fixing 148 136
Unit Test Generation 131 124
Code Documentation 136 130
Regex Writing 124 119
CI/CD Pipelines 127 120
Frontend Component Design 129 122
Data Analysis 133 124
CSV / Spreadsheet Cleanup 135 133
ETL Scripting 137 128
JSON Extraction 122 130
Bulk Data Labeling 119 128
OCR / Document Parsing 134 131
Table Extraction from PDFs 134 131
Long-Document Summarization 147 137
Short-Form Summarization 117 123
Blog Post Writing 128 121

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

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