Grok Code Fast 1 vs GPT-5.4
Grok Code Fast 1 is cheaper on output tokens, while GPT-5.4 offers a larger context window. Choose Grok Code Fast 1 or GPT-5.4 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Grok Code Fast 1 | GPT-5.4 |
|---|---|---|
| Provider | OpenCode | OpenCode |
| Input / 1M tokens | $0.00 | $2.50 |
| Output / 1M tokens | $0.00 | $15.00 |
| Context window | 256K | 1.1M |
| Parameters | — | — |
| Open weights | No | No |
| Released | Aug 2025 | Mar 2026 |
FAQ
Is Grok Code Fast 1 or GPT-5.4 cheaper?
Grok Code Fast 1 is cheaper on output tokens ($0.00 vs $15.00 per 1M).
Which has the larger context window, Grok Code Fast 1 or GPT-5.4?
GPT-5.4 has the larger context window (1.1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.