GPT-5.1 Codex Max is the newer model, released after Llama 4 Maverick.
| Spec | GPT-5.1 Codex Max | Llama 4 Maverick |
|---|---|---|
| Input price | — | $1.5/M tokens |
| Output price | — | $2.5/M tokens |
| Context window | — | 1.0M tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Dec 2025 | Apr 2025 |
Not enough votes to call it. On the specs, nothing separates them.
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Llama 4 Maverick uses 5.3x more headings