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xAI: Grok Latest vs OpenAI: GPT-5.4 Mini

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-10.

xAI: Grok Latest OpenAI: GPT-5.4 Mini
Vendor~x-aiopenai
Quality Score100100
Benchmark Score10.971.2
Input Price$2.00/M$0.75/M
Output Price$6.00/M$4.50/M
Context Window500,000400,000
Max Output-128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index12.466.0
ai_index_agentic-49.8
ai_index_coding-92.5

Who wins by task?

TaskxAI: Grok LatestOpenAI: GPT-5.4 Mini
SQL Generation 134 164
Code Review 134 159
Code Completion 118 132
Code Refactoring 138 158
Bug Fixing 138 170
Unit Test Generation 125 148
Code Documentation 131 140
Regex Writing 119 132
CI/CD Pipelines 121 139
Frontend Component Design 123 141
Data Analysis 125 160
CSV / Spreadsheet Cleanup 133 151
ETL Scripting 129 149
JSON Extraction 122 146
Bulk Data Labeling 119 133
OCR / Document Parsing 131 144
Table Extraction from PDFs 131 144
Long-Document Summarization 139 154
Short-Form Summarization 115 129
Blog Post Writing 122 136

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

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