GPT-5.1-Codex-Mini is the newer model, released after Cypher Alpha (free).
| Spec | Cypher Alpha (free) | GPT-5.1-Codex-Mini |
|---|---|---|
| Input price | — | $1.5/M tokens |
| Output price | — | $6/M tokens |
| Context window | — | 400K tokens |
| Released | Jul 2025 | Nov 2025 |
Not enough votes to call it. On the specs, GPT-5.1-Codex-Mini has the edge: bigger model tier, newer, bigger context window, major provider backing.
GPT-5.1-Codex-Mini uses 7.7x more headings
GPT-5.1-Codex-Mini is the newer model, released after Cypher Alpha (free).
| Spec | Cypher Alpha (free) | GPT-5.1-Codex-Mini |
|---|---|---|
| Input price | — | $1.5/M tokens |
| Output price | — | $6/M tokens |
| Context window | — | 400K tokens |
| Released | Jul 2025 | Nov 2025 |
Not enough votes to call it. On the specs, GPT-5.1-Codex-Mini has the edge: bigger model tier, newer, bigger context window, major provider backing.
GPT-5.1-Codex-Mini uses 7.7x more headings