Grok 4.20 (Reasoning) vs GPT-4
Grok 4.20 (Reasoning) is cheaper on output tokens, while Grok 4.20 (Reasoning) offers a larger context window. Choose Grok 4.20 (Reasoning) or GPT-4 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Grok 4.20 (Reasoning) | GPT-4 |
|---|---|---|
| Provider | Cloudflare AI Gateway | Cloudflare AI Gateway |
| Input / 1M tokens | $2.00 | $30.00 |
| Output / 1M tokens | $6.00 | $60.00 |
| Context window | 2M | 8K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Mar 2026 | Nov 2023 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.