head-to-head
MoonshotAI: Kimi K3 vs SpaceXAI: Grok Build 0.1
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-08-13.
| MoonshotAI: Kimi K3 | SpaceXAI: Grok Build 0.1 | |
|---|---|---|
| Vendor | moonshotai | x-ai |
| Quality Score | 100 | 100 |
| Benchmark Score | 96.9 | - |
| Input Price | $3.00/M | $1.00/M |
| Output Price | $15.00/M | $2.00/M |
| Context Window | 1,048,576 | 256,000 |
| Max Output | - | - |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
| Benchmark Scores | ||
| ai_index | 98.5 | - |
| ai_index_agentic | 89.5 | - |
| ai_index_coding | 100.0 | - |
Who wins by task?
| Task | MoonshotAI: Kimi K3 | SpaceXAI: Grok Build 0.1 |
|---|---|---|
| SQL Generation | 173 | 130 |
| Code Review | 170 | 126 |
| Code Completion | 118 | 116 |
| Code Refactoring | 167 | 127 |
| Bug Fixing | 185 | 130 |
| Unit Test Generation | 157 | 121 |
| Code Documentation | 141 | 125 |
| Regex Writing | 135 | 119 |
| CI/CD Pipelines | 147 | 117 |
| Frontend Component Design | 149 | 122 |
| Data Analysis | 175 | 124 |
| CSV / Spreadsheet Cleanup | 153 | 127 |
| ETL Scripting | 157 | 122 |
| JSON Extraction | 138 | 123 |
| Bulk Data Labeling | 122 | 121 |
| OCR / Document Parsing | 147 | 128 |
| Table Extraction from PDFs | 147 | 128 |
| Long-Document Summarization | 161 | 129 |
| Short-Form Summarization | 122 | 115 |
| Blog Post Writing | 141 | 118 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →
Related comparisons
ByteDance Seed: Seed 2.1 Turbo vs MoonshotAI: Kimi K3
ByteDance Seed: Seed 2.1 Turbo vs SpaceXAI: Grok Build 0.1
ByteDance Seed: Seed-2.0-Code vs MoonshotAI: Kimi K3
ByteDance Seed: Seed-2.0-Code vs SpaceXAI: Grok Build 0.1
SpaceXAI: Grok 4.6 vs MoonshotAI: Kimi K3
SpaceXAI: Grok 4.6 vs SpaceXAI: Grok Build 0.1
Sakana: Sakana Namazu vs MoonshotAI: Kimi K3
Sakana: Sakana Namazu vs SpaceXAI: Grok Build 0.1