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Anthropic: Claude Sonnet 5 vs Mistral: Mistral Small 4

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-01.

Anthropic: Claude Sonnet 5 Mistral: Mistral Small 4
Vendoranthropicmistralai
Quality Score100100
Benchmark Score-6.1
Input Price$2.00/M$0.15/M
Output Price$10.00/M$0.60/M
Context Window1,000,000262,144
Max Output128,000-
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-7.7

Who wins by task?

TaskAnthropic: Claude Sonnet 5Mistral: Mistral Small 4
SQL Generation 132 132
Code Review 132 127
Code Completion 117 129
Code Refactoring 136 129
Bug Fixing 136 131
Unit Test Generation 124 122
Code Documentation 129 127
Regex Writing 117 120
CI/CD Pipelines 120 118
Frontend Component Design 122 122
Data Analysis 124 125
CSV / Spreadsheet Cleanup 132 128
ETL Scripting 128 123
JSON Extraction 121 131
Bulk Data Labeling 118 129
OCR / Document Parsing 131 128
Table Extraction from PDFs 131 128
Long-Document Summarization 136 130
Short-Form Summarization 113 124
Blog Post Writing 120 120

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

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