SpaceXAI: Grok Build 0.1 vs Mistral: Mistral Small 4
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| SpaceXAI: Grok Build 0.1 | Mistral: Mistral Small 4 | |
|---|---|---|
| Vendor | x-ai | mistralai |
| Quality Score | 100 | 100 |
| Benchmark Score | - | 6.1 |
| Input Price | $1.00/M | $0.15/M |
| Output Price | $2.00/M | $0.60/M |
| Context Window | 256,000 | 262,144 |
| Max Output | 230,400 | 209,715 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
| Benchmark Scores | ||
| ai_index | - | 7.7 |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Mistral Small 4 costs $0.30 and Grok Build 0.1 costs $1.50, so Mistral Small 4 is about 5.0 times cheaper for the same work.
Both take in a similar amount of text: 256,000 and 262,144 tokens, about 384 and 393 pages.
Across the 20 tasks where they differ, Mistral Small 4 on 20 (SQL Generation, Code Review, Code Completion and others).
Grok Build 0.1 was released in May 2026 and Mistral Small 4 in March 2026.
Pick Mistral Small 4 if you need lower cost or the stronger all-round task scores.
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?
| Task | SpaceXAI: Grok Build 0.1 | Mistral: Mistral Small 4 |
|---|---|---|
| SQL Generation | 130 | 132 |
| Code Review | 126 | 127 |
| Code Completion | 116 | 129 |
| Code Refactoring | 127 | 129 |
| Bug Fixing | 130 | 131 |
| Unit Test Generation | 121 | 122 |
| Code Documentation | 125 | 127 |
| Regex Writing | 119 | 120 |
| CI/CD Pipelines | 117 | 118 |
| Frontend Component Design | 122 | 122 |
| Data Analysis | 124 | 125 |
| CSV / Spreadsheet Cleanup | 127 | 128 |
| ETL Scripting | 122 | 123 |
| JSON Extraction | 123 | 131 |
| Bulk Data Labeling | 121 | 129 |
| OCR / Document Parsing | 128 | 128 |
| Table Extraction from PDFs | 128 | 128 |
| Long-Document Summarization | 129 | 130 |
| Short-Form Summarization | 115 | 124 |
| Blog Post Writing | 118 | 120 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →