MiniMax M3 is the newer model, released after GPT-5.1 Codex Max.
| Spec | GPT-5.1 Codex Max | MiniMax M3 |
|---|---|---|
| Input price | — | $0.3/M tokens |
| Output price | — | $1.2/M tokens |
| Context window | — | 1.0M tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Dec 2025 | Jun 2026 |
Not enough votes to call it. On the specs, GPT-5.1 Codex Max has the edge: bigger model tier, major provider backing.
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
MiniMax M3 uses 115.0x more emoji