head-to-head
xAI: Grok 4.5 vs MoonshotAI Kimi Latest
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-10.
| xAI: Grok 4.5 | MoonshotAI Kimi Latest | |
|---|---|---|
| Vendor | x-ai | ~moonshotai |
| Quality Score | 100 | 100 |
| Benchmark Score | 91.8 | - |
| Input Price | $2.00/M | $0.66/M |
| Output Price | $6.00/M | $3.41/M |
| Context Window | 500,000 | 262,144 |
| Max Output | - | 262,144 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
| Benchmark Scores | ||
| ai_index | 88.8 | - |
| ai_index_agentic | 75.4 | - |
| ai_index_coding | 100.0 | - |
Who wins by task?
| Task | xAI: Grok 4.5 | MoonshotAI Kimi Latest |
|---|---|---|
| SQL Generation | 171 | 130 |
| Code Review | 167 | 126 |
| Code Completion | 120 | 128 |
| Code Refactoring | 164 | 127 |
| Bug Fixing | 180 | 130 |
| Unit Test Generation | 154 | 121 |
| Code Documentation | 142 | 125 |
| Regex Writing | 135 | 119 |
| CI/CD Pipelines | 144 | 117 |
| Frontend Component Design | 146 | 122 |
| Data Analysis | 170 | 124 |
| CSV / Spreadsheet Cleanup | 154 | 128 |
| ETL Scripting | 154 | 122 |
| JSON Extraction | 139 | 131 |
| Bulk Data Labeling | 125 | 128 |
| OCR / Document Parsing | 146 | 128 |
| Table Extraction from PDFs | 146 | 128 |
| Long-Document Summarization | 159 | 129 |
| Short-Form Summarization | 123 | 123 |
| Blog Post Writing | 140 | 118 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →
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