Aurora Alpha is the newer model, released after GPT-5.1 Codex Max.
| Spec | Aurora Alpha | GPT-5.1 Codex Max |
|---|---|---|
| Input price | Free | — |
| Output price | Free | — |
| Context window | 128K tokens | — |
| Released | Feb 2026 | Dec 2025 |
Not enough votes to call it. On the specs, GPT-5.1 Codex Max has the edge: bigger model tier, major provider backing.
Aurora Alpha uses 10.0x more emoji
Aurora Alpha is the newer model, released after GPT-5.1 Codex Max.
| Spec | Aurora Alpha | GPT-5.1 Codex Max |
|---|---|---|
| Input price | Free | — |
| Output price | Free | — |
| Context window | 128K tokens | — |
| Released | Feb 2026 | Dec 2025 |
Not enough votes to call it. On the specs, GPT-5.1 Codex Max has the edge: bigger model tier, major provider backing.
Aurora Alpha uses 10.0x more emoji