Text generation / Google
gemini-3-flash-preview
Overview
Gemini 3 Flash Preview is a high speed, high value thinking model designed for agentic workflows, multi turn chat, and coding assistance. It delivers near Pro level reasoning and tool use performance with substantially lower latency than larger Gemini variants, making it well suited for interactive development, long running agent loops, and collaborative coding tasks. Compared to Gemini 2.5 Flash, it provides broad quality improvements across reasoning, multimodal understanding, and reliability.
- Model type: Text generation
- Input: Text / Image / Video / Audio
- Output: Text
- Endpoints: chat
Tiered billing details
| Tier | Input | Output | Cache hit |
|---|---|---|---|
| Fallback tier | $0.0005/1K | $0.0030/1K | $0.0001/1K |
Billed bylen (input context token count). Coefficient is the $ / 1M tokens price. Default group price (other groups converted by discount).
Code example
Call with gemini-3-flash-preview :
curl https://www.starunion.net/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gemini-3-flash-preview",
"messages": [{ "role": "user", "content": "Hello" }]
}'