head-to-head

Mistral: Mistral Small 4 vs Qwen: Qwen3.5-27B

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

Mistral: Mistral Small 4 Qwen: Qwen3.5-27B
Vendormistralaiqwen
Quality Score100100
Benchmark Score3.835.5
Input Price$0.15/M$0.20/M
Output Price$0.60/M$1.56/M
Context Window262,144262,144
Max Output209,71565,536
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index9.637.8

Who wins by task?

TaskMistral: Mistral Small 4Qwen: Qwen3.5-27B
SQL Generation 132 135
Code Review 128 133
Code Completion 129 129
Code Refactoring 129 133
Bug Fixing 132 137
Unit Test Generation 122 125
Code Documentation 127 129
Regex Writing 120 123
CI/CD Pipelines 118 121
Frontend Component Design 123 126
Data Analysis 125 129
CSV / Spreadsheet Cleanup 128 129
ETL Scripting 123 127
JSON Extraction 131 131
Bulk Data Labeling 129 129
OCR / Document Parsing 128 130
Table Extraction from PDFs 128 130
Long-Document Summarization 131 135
Short-Form Summarization 124 125
Blog Post Writing 120 123

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

Related comparisons

Anthropic: Claude Haiku Latest vs Mistral: Mistral Small 4 Anthropic: Claude Haiku Latest vs Qwen: Qwen3.5-27B Anthropic: Claude Sonnet 5 vs Mistral: Mistral Small 4 Anthropic: Claude Sonnet 5 vs Qwen: Qwen3.5-27B Anthropic: Claude Sonnet Latest vs Mistral: Mistral Small 4 Anthropic: Claude Sonnet Latest vs Qwen: Qwen3.5-27B ByteDance Seed: Seed-2.0-Lite vs Qwen: Qwen3.5-27B ByteDance Seed: Seed-2.0-Mini vs Qwen: Qwen3.5-27B

The Model Movers Report

One email every Friday, built from this site's own rankings: the current top five by benchmark score, every model released in the last seven days, and one note worked out from that week's numbers. You can unsubscribe from any issue with one click.