head-to-head
xAI: Grok 4.3 vs xAI: Grok 4.20
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-05-01.
| xAI: Grok 4.3 | xAI: Grok 4.20 | |
|---|---|---|
| Vendor | x-ai | x-ai |
| Quality Score | 100 | 100 |
| Input Price | $1.25/M | $1.25/M |
| Output Price | $2.50/M | $2.50/M |
| Context Window | 1,000,000 | 2,000,000 |
| Max Output | - | - |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
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