head-to-head
Xiaomi: MiMo-V2.5 vs xAI: Grok 4.20
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-16.
| Xiaomi: MiMo-V2.5 | xAI: Grok 4.20 | |
|---|---|---|
| Vendor | xiaomi | x-ai |
| Quality Score | 100 | 100 |
| Benchmark Score | - | 74.7 |
| Input Price | $0.14/M | $1.25/M |
| Output Price | $0.28/M | $2.50/M |
| Context Window | 1,048,576 | 2,000,000 |
| Max Output | 131,072 | - |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | ✓ | - |
| Benchmark Scores | ||
| ai_index | - | 81.4 |
| ai_index_agentic | - | 88.9 |
| ai_index_coding | - | 69.6 |
| eqbench | - | 55.8 |
Who wins by task?
| Task | Xiaomi: MiMo-V2.5 | xAI: Grok 4.20 |
|---|---|---|
| SQL Generation | 134 | 171 |
| Code Review | 132 | 170 |
| Code Completion | 131 | 122 |
| Code Refactoring | 136 | 168 |
| Bug Fixing | 136 | 185 |
| Unit Test Generation | 124 | 154 |
| Code Documentation | 131 | 147 |
| Regex Writing | 119 | 137 |
| CI/CD Pipelines | 120 | 146 |
| Frontend Component Design | 122 | 146 |
| Data Analysis | 124 | 170 |
| CSV / Spreadsheet Cleanup | 134 | 153 |
| ETL Scripting | 128 | 157 |
| JSON Extraction | 131 | 136 |
| Bulk Data Labeling | 129 | 125 |
| OCR / Document Parsing | 131 | 145 |
| Table Extraction from PDFs | 131 | 145 |
| Long-Document Summarization | 138 | 166 |
| Short-Form Summarization | 123 | 124 |
| Blog Post Writing | 122 | 143 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →
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