head-to-head

xAI: Grok Latest vs Mistral: Mistral Small 4

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.

xAI: Grok Latest Mistral: Mistral Small 4
Vendor~x-aimistralai
Quality Score100100
Benchmark Score10.96.1
Input Price$2.00/M$0.15/M
Output Price$6.00/M$0.60/M
Context Window500,000262,144
Max Output450,000209,715
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index12.47.7

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Mistral Small 4 costs $0.30 and Grok Latest costs $3.50, so Mistral Small 4 is about 11.7 times cheaper for the same work.

Grok Latest reads up to 500,000 tokens at once, roughly 750 pages of text, against about 393 pages for Mistral Small 4.

On our blended benchmark score Grok Latest leads 10.9 to 6.1.

Across the 20 tasks where they differ, Grok Latest scores higher on 15 (SQL Generation, Code Review, Code Refactoring and others), Mistral Small 4 on 5 (Code Completion, Regex Writing, JSON Extraction and others).

Grok Latest was released in July 2026 and Mistral Small 4 in March 2026.

Pick Grok Latest if you need long documents, benchmark performance or the stronger all-round task scores; pick Mistral Small 4 if you need lower cost.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.

Who wins by task?

TaskxAI: Grok LatestMistral: Mistral Small 4
SQL Generation 134 132
Code Review 134 127
Code Completion 118 129
Code Refactoring 138 129
Bug Fixing 138 131
Unit Test Generation 125 122
Code Documentation 131 127
Regex Writing 119 120
CI/CD Pipelines 121 118
Frontend Component Design 123 122
Data Analysis 125 125
CSV / Spreadsheet Cleanup 133 128
ETL Scripting 129 123
JSON Extraction 122 131
Bulk Data Labeling 119 129
OCR / Document Parsing 131 128
Table Extraction from PDFs 131 128
Long-Document Summarization 139 130
Short-Form Summarization 115 124
Blog Post Writing 122 120

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

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