GPT-5.6 Luna Pro is cheaper than GPT-5.2 at $1/M vs $1.75/M input tokens.
| Spec | GPT-5.2 | GPT-5.6 Luna Pro |
|---|---|---|
| Input price | $1.75/M tokens | $1/M tokens |
| Output price | $14/M tokens | $6/M tokens |
| Context window | 400K tokens | 1.1M tokens |
| Released | Dec 2025 | Jul 2026 |
Not enough votes to call it. On the specs, nothing separates them.
GPT-5.6 Luna Pro is cheaper on both — 1.8× input, 2.3× output
GPT-5.6 Luna Pro uses 9.2x more emoji
GPT-5.6 Luna Pro is cheaper than GPT-5.2 at $1/M vs $1.75/M input tokens.
| Spec | GPT-5.2 | GPT-5.6 Luna Pro |
|---|---|---|
| Input price | $1.75/M tokens | $1/M tokens |
| Output price | $14/M tokens | $6/M tokens |
| Context window | 400K tokens | 1.1M tokens |
| Released | Dec 2025 | Jul 2026 |
Not enough votes to call it. On the specs, nothing separates them.
GPT-5.6 Luna Pro is cheaper on both — 1.8× input, 2.3× output
GPT-5.6 Luna Pro uses 9.2x more emoji