Gemini 3.6 Flash vs Gemini 2.5 Flash
Whether the newer Flash earns five times the price of the one it replaced.
Side by side
| Attribute | Gemini 3.6 Flash | Gemini 2.5 Flash |
|---|---|---|
| Input, per 1M tokens | $1.50 | $0.30 |
| Output, per 1M tokens | $7.50 | $2.50 |
| Context window | 1,000,000 | 1,000,000 |
| Provider | ||
| Tokenizer | Google tokenizer | Google tokenizer |
| Long-context tier | none | none |
| Retires | no date announced | no date announced |
Which to choose
- Reading more than you write
- Gemini 2.5 Flash $0.30 against Gemini 3.6 Flash $1.50 per million input tokens — a wide gap of 5x.
- Writing more than you read
- Gemini 3.6 Flash prices output at 5x its input rate, Gemini 2.5 Flash at 8.3x — so Gemini 2.5 Flash's lead widens as answers lengthen.
- 10,000 in, 1,000 out
- $0.0225 on Gemini 3.6 Flash, $0.0055 on Gemini 2.5 Flash. Over 10,000 such calls that is $170.00 in Gemini 2.5 Flash's favour.
What this page does not tell you. Which model produces better answers. That depends on your task, and this site has no benchmark data — everything above is drawn from published pricing and specifications. Compare quality by running your own prompts through both.