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Anthropic: Claude Sonnet 5 vs Mistral: Mistral Medium 3.5

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

Anthropic: Claude Sonnet 5 Mistral: Mistral Medium 3.5
Vendoranthropicmistralai
Quality Score100100
Benchmark Score-53.1
Input Price$2.00/M$1.50/M
Output Price$10.00/M$7.50/M
Context Window1,000,000262,144
Max Output128,000-
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-49.4
ai_index_agentic-31.3
ai_index_coding-77.4

Who wins by task?

TaskAnthropic: Claude Sonnet 5Mistral: Mistral Medium 3.5
SQL Generation 132 153
Code Review 132 147
Code Completion 117 116
Code Refactoring 136 144
Bug Fixing 136 155
Unit Test Generation 124 140
Code Documentation 129 131
Regex Writing 117 128
CI/CD Pipelines 120 132
Frontend Component Design 122 137
Data Analysis 124 151
CSV / Spreadsheet Cleanup 132 142
ETL Scripting 128 138
JSON Extraction 121 134
Bulk Data Labeling 118 123
OCR / Document Parsing 131 139
Table Extraction from PDFs 131 139
Long-Document Summarization 136 141
Short-Form Summarization 113 119
Blog Post Writing 120 129

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

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