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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 2026-06-23.

xAI: Grok 4.3 Mistral: Mistral Small 4
Vendorx-aimistralai
Quality Score100100
Benchmark Score57.76.1
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_index62.07.7
ai_index_agentic39.8-
ai_index_coding69.7-

Who wins by task?

TaskxAI: Grok 4.3Mistral: Mistral Small 4
SQL Generation 158 132
Code Review 155 127
Code Completion 120 129
Code Refactoring 155 129
Bug Fixing 164 131
Unit Test Generation 144 122
Code Documentation 139 127
Regex Writing 130 120
CI/CD Pipelines 136 118
Frontend Component Design 138 122
Data Analysis 153 125
CSV / Spreadsheet Cleanup 147 128
ETL Scripting 145 123
JSON Extraction 134 131
Bulk Data Labeling 124 129
OCR / Document Parsing 141 128
Table Extraction from PDFs 141 128
Long-Document Summarization 152 130
Short-Form Summarization 120 124
Blog Post Writing 134 120

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

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