head-to-head

OpenAI GPT Mini Latest vs xAI: Grok 4.20

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-17.

OpenAI GPT Mini Latest xAI: Grok 4.20
Vendor~openaix-ai
Quality Score100100
Benchmark Score-69.3
Input Price$0.75/M$1.25/M
Output Price$4.50/M$2.50/M
Context Window400,0002,000,000
Max Output128,000-
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index-61.0
ai_index_agentic-88.9
ai_index_coding-69.6
eqbench-55.8

Who wins by task?

TaskOpenAI GPT Mini LatestxAI: Grok 4.20
SQL Generation 133 169
Code Review 132 166
Code Completion 130 122
Code Refactoring 136 165
Bug Fixing 136 181
Unit Test Generation 124 152
Code Documentation 130 145
Regex Writing 119 135
CI/CD Pipelines 120 143
Frontend Component Design 122 144
Data Analysis 124 167
CSV / Spreadsheet Cleanup 133 152
ETL Scripting 128 154
JSON Extraction 130 136
Bulk Data Labeling 128 125
OCR / Document Parsing 131 144
Table Extraction from PDFs 131 144
Long-Document Summarization 137 162
Short-Form Summarization 123 123
Blog Post Writing 121 141

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

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