Gemini 3.5 Flash costs $3.83 per million words.
Google lists it at $1.50 per million input tokens and $9 per million output tokens on Google’s pricing page, read 4:40 PM Eastern, Oct 7, 2026. It bills about 1,134 tokens for a thousand English words, so a million words, three in for every one out, costs $3.83.
- Maker
- Input
- $1.50 per million tokens
- Output
- $9 per million tokens
- Cached input
- $0.15 per million tokens
- Tokens for 1,000 words
- 1,134, measured by Brass on Oct 7, 2026
- Source
- Google’s pricing page
Brass does not offer Gemini 3.5 Flash in its chat. The only Google model in the Brass chat is Gemini 3.1 Pro Preview: $5.10 per million words at Google’s price, $6.38 in the Brass chat.
To use the models Brass offers, buy a pack.
Price history
| From | Per million words | Per million tokens, in / out |
|---|---|---|
| Oct 7, 2026 | $3.83 | $1.50 / $9 |
We began tracking Gemini 3.5 Flash on Oct 7, 2026.