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Mistral: Mistral Medium 3.5 vs Mistral: Mistral Small 4

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.

Mistral: Mistral Medium 3.5 Mistral: Mistral Small 4
Vendormistralaimistralai
Quality Score100100
Benchmark Score19.33.8
Input Price$1.50/M$0.15/M
Output Price$7.50/M$0.60/M
Context Window262,144262,144
Max Output209,715209,715
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index23.49.6

Who wins by task?

TaskMistral: Mistral Medium 3.5Mistral: Mistral Small 4
SQL Generation 133 132
Code Review 130 128
Code Completion 115 129
Code Refactoring 131 129
Bug Fixing 134 132
Unit Test Generation 124 122
Code Documentation 126 127
Regex Writing 120 120
CI/CD Pipelines 120 118
Frontend Component Design 124 123
Data Analysis 127 125
CSV / Spreadsheet Cleanup 128 128
ETL Scripting 125 123
JSON Extraction 122 131
Bulk Data Labeling 119 129
OCR / Document Parsing 129 128
Table Extraction from PDFs 129 128
Long-Document Summarization 132 131
Short-Form Summarization 115 124
Blog Post Writing 121 120

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

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