head-to-head
xAI: Grok 4.3 vs Anthropic Claude Haiku Latest
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-05-02.
| xAI: Grok 4.3 | Anthropic Claude Haiku Latest | |
|---|---|---|
| Vendor | x-ai | ~anthropic |
| Quality Score | 100 | 100 |
| Input Price | $1.25/M | $1.00/M |
| Output Price | $2.50/M | $5.00/M |
| Context Window | 1,000,000 | 200,000 |
| Max Output | - | 64,000 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
Who wins by task?
| Task | xAI: Grok 4.3 | Anthropic Claude Haiku Latest |
|---|---|---|
| SQL Generation | 133 | 129 |
| Code Review | 132 | 124 |
| Code Completion | 119 | 114 |
| Code Refactoring | 136 | 124 |
| Bug Fixing | 136 | 128 |
| Unit Test Generation | 124 | 120 |
| Code Documentation | 131 | 122 |
| Regex Writing | 119 | 118 |
| CI/CD Pipelines | 120 | 116 |
| CSV / Spreadsheet Cleanup | 133 | 125 |
| ETL Scripting | 128 | 120 |
| JSON Extraction | 123 | 122 |
| Bulk Data Labeling | 120 | 120 |
| OCR / Document Parsing | 131 | 127 |
| Table Extraction from PDFs | 131 | 127 |
| Long-Document Summarization | 137 | 125 |
| Short-Form Summarization | 115 | 114 |
| Blog Post Writing | 121 | 117 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →
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