head-to-head

xAI: Grok 4.3 vs OpenAI GPT Mini Latest

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-16.

xAI: Grok 4.3 OpenAI GPT Mini Latest
Vendorx-ai~openai
Quality Score100100
Benchmark Score84.8-
Input Price$1.25/M$0.75/M
Output Price$2.50/M$4.50/M
Context Window1,000,000400,000
Max Output-128,000
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index87.8-
ai_index_agentic100.0-
ai_index_coding67.7-

Who wins by task?

TaskxAI: Grok 4.3OpenAI GPT Mini Latest
SQL Generation 169 133
Code Review 166 132
Code Completion 121 130
Code Refactoring 163 136
Bug Fixing 181 136
Unit Test Generation 152 124
Code Documentation 143 130
Regex Writing 136 119
CI/CD Pipelines 143 120
Frontend Component Design 145 122
Data Analysis 170 124
CSV / Spreadsheet Cleanup 150 133
ETL Scripting 153 128
JSON Extraction 136 130
Bulk Data Labeling 125 128
OCR / Document Parsing 144 131
Table Extraction from PDFs 144 131
Long-Document Summarization 160 137
Short-Form Summarization 124 123
Blog Post Writing 140 121

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

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