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xAI: Grok 4.3 vs Mistral: Mistral Small 4

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

xAI: Grok 4.3 Mistral: Mistral Small 4
Vendorx-aimistralai
Quality Score100100
Benchmark Score84.87.1
Input Price$1.25/M$0.15/M
Output Price$2.50/M$0.60/M
Context Window1,000,000262,144
Max Output--
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index87.816.8
ai_index_agentic100.0-
ai_index_coding67.7-

Who wins by task?

TaskxAI: Grok 4.3Mistral: Mistral Small 4
SQL Generation 169 133
Code Review 166 129
Code Completion 121 129
Code Refactoring 163 130
Bug Fixing 181 133
Unit Test Generation 152 123
Code Documentation 143 127
Regex Writing 136 121
CI/CD Pipelines 143 119
Frontend Component Design 145 124
Data Analysis 170 126
CSV / Spreadsheet Cleanup 150 129
ETL Scripting 153 124
JSON Extraction 136 131
Bulk Data Labeling 125 129
OCR / Document Parsing 144 129
Table Extraction from PDFs 144 129
Long-Document Summarization 160 132
Short-Form Summarization 124 124
Blog Post Writing 140 121

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

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