GPT-5.6 Luna vs Gemini 3.7 Flash
GPT-5.6 Luna is cheaper on output tokens ($1.2 vs $3.75 per 1M), and GPT-5.6 Luna has the larger context window (1.1M). The best choice depends on your task — and with Vincony you don't have to pick just one.
| Spec | GPT-5.6 Luna | Gemini 3.7 Flash |
|---|---|---|
| Provider | OpenAI | |
| Intelligence Index | — | — |
| Context window | 1.1M | 1.0M |
| Input price /1M | $0.2 | $0.75 |
| Output price /1M | $1.2 | $3.75 |
| Input | file, image, text | text, image, video, file, audio |
Prices are per 1M tokens, indicative pricing via OpenRouter (updated 2026-10-05); a provider's own list price may differ. Intelligence Index via Artificial Analysis (higher is better). Highlighted cells mark the stronger value in each row.
Frequently asked questions
Is GPT-5.6 Luna or Gemini 3.7 Flash cheaper?
GPT-5.6 Luna is cheaper on output tokens ($1.2 vs $3.75 per 1M). Input is $0.2 vs $0.75.
Which has a bigger context window, GPT-5.6 Luna or Gemini 3.7 Flash?
GPT-5.6 Luna has the larger context window at 1.1M tokens, versus 1.0M for the other.
Can I use both GPT-5.6 Luna and Gemini 3.7 Flash in one place?
Yes. Vincony aggregates 750+ models — including GPT-5.6 Luna and Gemini 3.7 Flash — into one interface with Compare Chat, so you can send the same prompt to both and compare outputs side by side on a single credit-based plan.