GPT-5.6 Luna Pro is the newer model, released after TNG R1T Chimera.
| Spec | GPT-5.6 Luna Pro | TNG R1T Chimera |
|---|---|---|
| Input price | $1/M tokens | — |
| Output price | $6/M tokens | — |
| Context window | 1.1M tokens | — |
| Released | Jul 2026 | Nov 2025 |
Not enough votes to call it. On the specs, nothing separates them.
GPT-5.6 Luna Pro uses 3.7x more emoji
GPT-5.6 Luna Pro is the newer model, released after TNG R1T Chimera.
| Spec | GPT-5.6 Luna Pro | TNG R1T Chimera |
|---|---|---|
| Input price | $1/M tokens | — |
| Output price | $6/M tokens | — |
| Context window | 1.1M tokens | — |
| Released | Jul 2026 | Nov 2025 |
Not enough votes to call it. On the specs, nothing separates them.
GPT-5.6 Luna Pro uses 3.7x more emoji