head-to-head
SpaceXAI: Grok 4.5 vs xAI: Grok Latest
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-08-13.
| SpaceXAI: Grok 4.5 | xAI: Grok Latest | |
|---|---|---|
| Vendor | x-ai | ~x-ai |
| Quality Score | 100 | 100 |
| Benchmark Score | 91.5 | 10.6 |
| Input Price | $2.00/M | $2.00/M |
| Output Price | $6.00/M | $6.00/M |
| Context Window | 500,000 | 500,000 |
| Max Output | - | - |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
| Benchmark Scores | ||
| ai_index | 92.0 | 12.0 |
| ai_index_agentic | 80.6 | - |
| ai_index_coding | 100.0 | - |
Who wins by task?
| Task | SpaceXAI: Grok 4.5 | xAI: Grok Latest |
|---|---|---|
| SQL Generation | 172 | 134 |
| Code Review | 168 | 134 |
| Code Completion | 120 | 118 |
| Code Refactoring | 165 | 137 |
| Bug Fixing | 182 | 138 |
| Unit Test Generation | 155 | 125 |
| Code Documentation | 143 | 131 |
| Regex Writing | 136 | 119 |
| CI/CD Pipelines | 145 | 121 |
| Frontend Component Design | 147 | 123 |
| Data Analysis | 172 | 125 |
| CSV / Spreadsheet Cleanup | 154 | 133 |
| ETL Scripting | 155 | 129 |
| JSON Extraction | 139 | 122 |
| Bulk Data Labeling | 125 | 119 |
| OCR / Document Parsing | 147 | 131 |
| Table Extraction from PDFs | 147 | 131 |
| Long-Document Summarization | 160 | 139 |
| Short-Form Summarization | 123 | 115 |
| Blog Post Writing | 141 | 122 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →
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