grok-code-fast-1 vs gpt-5.1-codex-max
grok-code-fast-1 is cheaper on output tokens, while gpt-5.1-codex-max offers a larger context window. Choose grok-code-fast-1 or gpt-5.1-codex-max based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | grok-code-fast-1 | gpt-5.1-codex-max |
|---|---|---|
| Provider | Jiekou.AI | Jiekou.AI |
| Input / 1M tokens | $0.18 | $1.13 |
| Output / 1M tokens | $1.35 | $9.00 |
| Context window | 256K | 400K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Jan 2026 | Jan 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.