Gemini 3 Flash Preview
by Vertex · family gemini-flash · listed Dec 2025RTV
New Gemini flash lane bringing frontier-style multimodal reasoning to cheaper runs
Current rates USD per 1M tokens
Input$0.50
Output$3.00
Cache read$0.05
Cache write—
Against the market
On the record
- Model id
gemini-3-flash-preview- Context window
- 1.0M tokens
- Max output
- 66K tokens
- Input modalities
- text, image, video, audio, pdf
- Output modalities
- text
- Reasoning
- yes
- Tool calls
- yes
- Open weights
- no
- Knowledge cutoff
- Jan 2025
- Released
- 2025-12-17
- Last updated
- 2025-12-17
- Provider docs
- cloud.google.com/vertex-ai/generative-ai/docs/models
Back of the envelope
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