Head to head
Gemini 3.6 Flash vs GPT-5.6 Sol
Gemini 3.6 Flash (Google) and GPT-5.6 Sol (OpenAI) compared on intelligence, speed, context, and price — and which to choose. Both run on just4o.chat from one chat.
| Metric | Gemini 3.6 Flash | GPT-5.6 Sol |
|---|---|---|
| Intelligence (AA index) | — | — |
| Output speed (tokens/sec) | — | — |
| Context window | 1.0M | 1.1M ✓ |
| Max output | 66K | 128K ✓ |
| Input price / 1M | $1.5 ✓ | $5 |
| Output price / 1M | $7.5 ✓ | $30 |
| Released | 2026-07-21 | 2026-07-09 |
Choose Gemini 3.6 Flash if you want…
- Lower price ($3 / 1M blended)
Choose GPT-5.6 Sol if you want…
- Larger context window (1.1M)
FAQ
Which is better, Gemini 3.6 Flash or GPT-5.6 Sol?
Gemini 3.6 Flash leads on 1 of the headline metrics (lower price ($3 / 1m blended)), while GPT-5.6 Sol wins on larger context window (1.1m). The right pick depends on whether you prioritise capability, speed, or cost.
Is Gemini 3.6 Flash or GPT-5.6 Sol cheaper?
Gemini 3.6 Flash is cheaper at $3 per 1M tokens (blended), versus $11.25.
Can I use both Gemini 3.6 Flash and GPT-5.6 Sol?
Yes. Both are available on just4o.chat from a single chat — you can switch between them per message with no separate subscriptions.