OpenAI GPT-5.4 vs GPT-5.1-Codex-Max
GPT-5.1-Codex-Max is cheaper on output tokens. Choose OpenAI GPT-5.4 or GPT-5.1-Codex-Max based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | OpenAI GPT-5.4 | GPT-5.1-Codex-Max |
|---|---|---|
| Provider | DigitalOcean | OpenAI |
| Input / 1M tokens | $2.50 | $1.25 |
| Output / 1M tokens | $15.00 | $10.00 |
| Context window | 400K | 400K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Mar 2026 | Nov 2025 |
| LiveBench score | — | 74.4 |
FAQ
Is OpenAI GPT-5.4 or GPT-5.1-Codex-Max cheaper?
GPT-5.1-Codex-Max is cheaper on output tokens ($10.00 vs $15.00 per 1M).
Which has the larger context window, OpenAI GPT-5.4 or GPT-5.1-Codex-Max?
Both models offer a similar context window.
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.