xAI: Grok 4.20 vs Grok 4.3
Both have similar output pricing, while xAI: Grok 4.20 offers a larger context window. Choose xAI: Grok 4.20 or Grok 4.3 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | xAI: Grok 4.20 | Grok 4.3 |
|---|---|---|
| Provider | xAI | xAI |
| Input / 1M tokens | $1.25 | $1.25 |
| Output / 1M tokens | $2.50 | $2.50 |
| Context window | 2M | 1M |
| Parameters | 500B | — |
| Open weights | No | No |
| Released | Feb 2026 | Apr 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.