GPT-5.6 Luna is cheaper than Gemini 2.5 Pro (I/O Edition) at $1/M vs $1.25/M input tokens.
| Spec | Gemini 2.5 Pro (I/O Edition) | GPT-5.6 Luna |
|---|---|---|
| Input price | $1.25/M tokens | $1/M tokens |
| Output price | $10/M tokens | $6/M tokens |
| Context window | — | 1.1M tokens |
| Released | May 2025 | Jul 2026 |
Not enough votes to call it. On the specs, nothing separates them.
GPT-5.6 Luna is cheaper on both — 1.3× input, 1.7× output
GPT-5.6 Luna uses 8.3x more transitions
GPT-5.6 Luna is cheaper than Gemini 2.5 Pro (I/O Edition) at $1/M vs $1.25/M input tokens.
| Spec | Gemini 2.5 Pro (I/O Edition) | GPT-5.6 Luna |
|---|---|---|
| Input price | $1.25/M tokens | $1/M tokens |
| Output price | $10/M tokens | $6/M tokens |
| Context window | — | 1.1M tokens |
| Released | May 2025 | Jul 2026 |
Not enough votes to call it. On the specs, nothing separates them.
GPT-5.6 Luna is cheaper on both — 1.3× input, 1.7× output
GPT-5.6 Luna uses 8.3x more transitions