SpaceXAI: Grok Build 0.1 vs Mistral: Mistral Medium 3.5
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| SpaceXAI: Grok Build 0.1 | Mistral: Mistral Medium 3.5 | |
|---|---|---|
| Vendor | x-ai | mistralai |
| Quality Score | 100 | 100 |
| Benchmark Score | - | 53.0 |
| Input Price | $1.00/M | $1.50/M |
| Output Price | $2.00/M | $7.50/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 | - | 49.4 |
| ai_index_agentic | - | 31.3 |
| ai_index_coding | - | 77.4 |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Grok Build 0.1 costs $1.50 and Mistral Medium 3.5 costs $3.38, so Grok Build 0.1 is about 2.2 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, Grok Build 0.1 scores higher on 1 (Code Completion), Mistral Medium 3.5 on 19 (SQL Generation, Code Review, Code Refactoring and others).
Grok Build 0.1 was released in May 2026 and Mistral Medium 3.5 in April 2026.
Pick Grok Build 0.1 if you need lower cost; pick Mistral Medium 3.5 if you need 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 Medium 3.5 |
|---|---|---|
| SQL Generation | 130 | 153 |
| Code Review | 126 | 147 |
| Code Completion | 116 | 116 |
| Code Refactoring | 127 | 144 |
| Bug Fixing | 130 | 155 |
| Unit Test Generation | 121 | 140 |
| Code Documentation | 125 | 131 |
| Regex Writing | 119 | 128 |
| CI/CD Pipelines | 117 | 132 |
| Frontend Component Design | 122 | 137 |
| Data Analysis | 124 | 151 |
| CSV / Spreadsheet Cleanup | 127 | 142 |
| ETL Scripting | 122 | 138 |
| JSON Extraction | 123 | 134 |
| Bulk Data Labeling | 121 | 123 |
| OCR / Document Parsing | 128 | 139 |
| Table Extraction from PDFs | 128 | 139 |
| Long-Document Summarization | 129 | 141 |
| Short-Form Summarization | 115 | 119 |
| Blog Post Writing | 118 | 129 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →