head-to-head
xAI: Grok 4.5 vs xAI: Grok 4.3
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-10.
| xAI: Grok 4.5 | xAI: Grok 4.3 | |
|---|---|---|
| Vendor | x-ai | x-ai |
| Quality Score | 100 | 100 |
| Benchmark Score | 91.8 | 58.9 |
| Input Price | $2.00/M | $1.25/M |
| Output Price | $6.00/M | $2.50/M |
| Context Window | 500,000 | 1,000,000 |
| Max Output | - | - |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
| Benchmark Scores | ||
| ai_index | 88.8 | 62.0 |
| ai_index_agentic | 75.4 | 39.8 |
| ai_index_coding | 100.0 | 69.7 |
Who wins by task?
| Task | xAI: Grok 4.5 | xAI: Grok 4.3 |
|---|---|---|
| SQL Generation | 171 | 158 |
| Code Review | 167 | 155 |
| Code Completion | 120 | 120 |
| Code Refactoring | 164 | 155 |
| Bug Fixing | 180 | 164 |
| Unit Test Generation | 154 | 144 |
| Code Documentation | 142 | 139 |
| Regex Writing | 135 | 130 |
| CI/CD Pipelines | 144 | 136 |
| Frontend Component Design | 146 | 138 |
| Data Analysis | 170 | 153 |
| CSV / Spreadsheet Cleanup | 154 | 147 |
| ETL Scripting | 154 | 145 |
| JSON Extraction | 139 | 134 |
| Bulk Data Labeling | 125 | 124 |
| OCR / Document Parsing | 146 | 141 |
| Table Extraction from PDFs | 146 | 141 |
| Long-Document Summarization | 159 | 152 |
| Short-Form Summarization | 123 | 120 |
| Blog Post Writing | 140 | 134 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →
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