head-to-head

Anthropic: Claude Sonnet 5 vs Mistral: Mistral Small 4

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

Who wins by task?

Task	Anthropic: Claude Sonnet 5	Mistral: Mistral Small 4
SQL Generation	140	132
Code Review	144	128
Code Completion	118	129
Code Refactoring	146	129
Bug Fixing	148	132
Unit Test Generation	131	122
Code Documentation	135	127
Regex Writing	123	120
CI/CD Pipelines	127	118
Frontend Component Design	129	123
Data Analysis	133	125
CSV / Spreadsheet Cleanup	135	128
ETL Scripting	136	123
JSON Extraction	121	131
Bulk Data Labeling	118	129
OCR / Document Parsing	134	128
Table Extraction from PDFs	134	128
Long-Document Summarization	146	131
Short-Form Summarization	116	124
Blog Post Writing	128	120

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