head-to-head

xAI: Grok Latest vs OpenAI: GPT-5.4 Mini

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

xAI: Grok Latest OpenAI: GPT-5.4 Mini
Vendor~x-aiopenai
Quality Score100100
Benchmark Score5.837.7
Input Price$1.60/M$0.75/M
Output Price$4.80/M$4.50/M
Context Window500,000400,000
Max Output450,000128,000
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index11.439.7

Who wins by task?

TaskxAI: Grok LatestOpenAI: GPT-5.4 Mini
SQL Generation 134 138
Code Review 134 139
Code Completion 118 131
Code Refactoring 137 142
Bug Fixing 138 143
Unit Test Generation 125 128
Code Documentation 131 134
Regex Writing 119 122
CI/CD Pipelines 121 124
Frontend Component Design 123 126
Data Analysis 125 130
CSV / Spreadsheet Cleanup 133 135
ETL Scripting 129 133
JSON Extraction 122 130
Bulk Data Labeling 120 128
OCR / Document Parsing 131 133
Table Extraction from PDFs 131 133
Long-Document Summarization 139 143
Short-Form Summarization 115 124
Blog Post Writing 122 126

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

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