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SpaceXAI: Grok 4.5 vs Mistral: Mistral Medium 3.5

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

SpaceXAI: Grok 4.5 Mistral: Mistral Medium 3.5
Vendorx-aimistralai
Quality Score100100
Benchmark Score65.019.3
Input Price$2.00/M$1.50/M
Output Price$6.00/M$7.50/M
Context Window500,000262,144
Max Output450,000209,715
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index64.023.4

Who wins by task?

TaskSpaceXAI: Grok 4.5Mistral: Mistral Medium 3.5
SQL Generation 140 133
Code Review 144 130
Code Completion 119 115
Code Refactoring 146 131
Bug Fixing 148 134
Unit Test Generation 131 124
Code Documentation 136 126
Regex Writing 124 120
CI/CD Pipelines 127 120
Frontend Component Design 129 124
Data Analysis 133 127
CSV / Spreadsheet Cleanup 135 128
ETL Scripting 137 125
JSON Extraction 122 122
Bulk Data Labeling 119 119
OCR / Document Parsing 134 129
Table Extraction from PDFs 134 129
Long-Document Summarization 147 132
Short-Form Summarization 117 115
Blog Post Writing 128 121

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

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