Grok 4.5 vs GPT-4o
Grok 4.5 is cheaper on output tokens, while Grok 4.5 offers a larger context window. Choose Grok 4.5 or GPT-4o based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Grok 4.5 | GPT-4o |
|---|---|---|
| Provider | Pioneer | Pioneer |
| Input / 1M tokens | $2.00 | $2.50 |
| Output / 1M tokens | $6.00 | $10.00 |
| Context window | 500K | 128K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Jul 2026 | May 2024 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.