head-to-head
xAI: Grok 4.3 vs MoonshotAI: Kimi K2.6
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-16.
| xAI: Grok 4.3 | MoonshotAI: Kimi K2.6 | |
|---|---|---|
| Vendor | x-ai | moonshotai |
| Quality Score | 100 | 100 |
| Benchmark Score | 84.8 | 88.9 |
| Input Price | $1.25/M | $0.68/M |
| Output Price | $2.50/M | $3.41/M |
| Context Window | 1,000,000 | 262,144 |
| Max Output | - | 262,142 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
| Benchmark Scores | ||
| ai_index | 87.8 | 88.9 |
| ai_index_agentic | 100.0 | 100.0 |
| ai_index_coding | 67.7 | 77.7 |
| eqbench | - | 76.6 |
Who wins by task?
| Task | xAI: Grok 4.3 | MoonshotAI: Kimi K2.6 |
|---|---|---|
| SQL Generation | 169 | 174 |
| Code Review | 166 | 171 |
| Code Completion | 121 | 132 |
| Code Refactoring | 163 | 165 |
| Bug Fixing | 181 | 186 |
| Unit Test Generation | 152 | 156 |
| Code Documentation | 143 | 144 |
| Regex Writing | 136 | 140 |
| CI/CD Pipelines | 143 | 147 |
| Frontend Component Design | 145 | 149 |
| Data Analysis | 170 | 177 |
| CSV / Spreadsheet Cleanup | 150 | 150 |
| ETL Scripting | 153 | 156 |
| JSON Extraction | 136 | 145 |
| Bulk Data Labeling | 125 | 133 |
| OCR / Document Parsing | 144 | 144 |
| Table Extraction from PDFs | 144 | 144 |
| Long-Document Summarization | 160 | 162 |
| Short-Form Summarization | 124 | 133 |
| Blog Post Writing | 140 | 144 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →
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