GPT-5.1-Codex-Mini is cheaper than GPT-5.6 Terra at $1.5/M vs $2.5/M input tokens.
| Spec | GPT-5.1-Codex-Mini | GPT-5.6 Terra |
|---|---|---|
| Input price | $1.5/M tokens | $2.5/M tokens |
| Output price | $6/M tokens | $15/M tokens |
| Context window | 400K tokens | 1.1M tokens |
| Released | Nov 2025 | Jul 2026 |
Not enough votes to call it. On the specs, nothing separates them.
GPT-5.1-Codex-Mini is cheaper on both — 1.7× input, 2.5× output
GPT-5.6 Terra uses 14.5x more headings
GPT-5.1-Codex-Mini is cheaper than GPT-5.6 Terra at $1.5/M vs $2.5/M input tokens.
| Spec | GPT-5.1-Codex-Mini | GPT-5.6 Terra |
|---|---|---|
| Input price | $1.5/M tokens | $2.5/M tokens |
| Output price | $6/M tokens | $15/M tokens |
| Context window | 400K tokens | 1.1M tokens |
| Released | Nov 2025 | Jul 2026 |
Not enough votes to call it. On the specs, nothing separates them.
GPT-5.1-Codex-Mini is cheaper on both — 1.7× input, 2.5× output
GPT-5.6 Terra uses 14.5x more headings