GPT-5.6 Luna is cheaper than Gemini 3.1 Pro Preview at $1/M vs $2/M input tokens.
| Spec | Gemini 3.1 Pro Preview | GPT-5.6 Luna |
|---|---|---|
| Input price | $2/M tokens | $1/M tokens |
| Output price | $12/M tokens | $6/M tokens |
| Context window | 1.0M tokens | 1.1M tokens |
| Released | Feb 2026 | Jul 2026 |
Not enough votes to call it. On the specs, nothing separates them.
GPT-5.6 Luna is cheaper on both — 2.0× input, 2.0× output
GPT-5.6 Luna uses 2.9x more hedging
GPT-5.6 Luna is cheaper than Gemini 3.1 Pro Preview at $1/M vs $2/M input tokens.
| Spec | Gemini 3.1 Pro Preview | GPT-5.6 Luna |
|---|---|---|
| Input price | $2/M tokens | $1/M tokens |
| Output price | $12/M tokens | $6/M tokens |
| Context window | 1.0M tokens | 1.1M tokens |
| Released | Feb 2026 | Jul 2026 |
Not enough votes to call it. On the specs, nothing separates them.
GPT-5.6 Luna is cheaper on both — 2.0× input, 2.0× output
GPT-5.6 Luna uses 2.9x more hedging