head-to-head

OpenAI: GPT-5.6 Terra vs Mistral: Mistral Small 4

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

OpenAI: GPT-5.6 Terra Mistral: Mistral Small 4
Vendoropenaimistralai
Quality Score100100
Benchmark Score71.13.8
Input Price$2.00/M$0.15/M
Output Price$12.00/M$0.60/M
Context Window1,050,000262,144
Max Output128,000209,715
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index69.49.6

Who wins by task?

TaskOpenAI: GPT-5.6 TerraMistral: Mistral Small 4
SQL Generation 140 132
Code Review 145 128
Code Completion 118 129
Code Refactoring 147 129
Bug Fixing 149 132
Unit Test Generation 132 122
Code Documentation 135 127
Regex Writing 124 120
CI/CD Pipelines 128 118
Frontend Component Design 130 123
Data Analysis 134 125
CSV / Spreadsheet Cleanup 135 128
ETL Scripting 137 123
JSON Extraction 121 131
Bulk Data Labeling 117 129
OCR / Document Parsing 134 128
Table Extraction from PDFs 134 128
Long-Document Summarization 147 131
Short-Form Summarization 116 124
Blog Post Writing 128 120

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

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