Model detail

`google/gemini-3-flash-preview`

Official Google Gemini 3 Flash preview model routed through Vertex AI when project access is enabled.

Playground Endpoints All Models

Provider

Google

Context

128K

tokens

Max output

tokens

Default endpoint

google-vertex/global

Input price

$0.5000

per 1M tokens

Output price

$3.0000

per 1M tokens

Energy estimate

95 Wh

per 1M tokens

Fallback models

OpenRouter-compatible metadata

Model ID: google/gemini-3-flash-preview
Canonical slug: google/gemini-3-flash-preview
Owned by: google
API: zevrouter
Input modalities: text
Output modalities: text
Tokenizer: Other
Instruct type: chat

Pricing JSON

{
  "prompt": "0.0000005",
  "completion": "0.000003",
  "request": "0",
  "image": "0",
  "audio": "0",
  "web_search": "0",
  "internal_reasoning": "0"
}

Parameters

Supported parameters

11 parameters

temperaturetop_ptop_kmax_tokensmax_completion_tokenstoolsstreamstream_optionsthinking_levelthinking_budgetreasoning_effort

Routing

Provider endpoints

Inspect Endpoints

Endpoint	Region	Status	Latency	Carbon intensity	CFE
`google-vertex/global` Google Vertex AI Global (global)	global	default	120 ms	300 gCO2e/kWh	60%

Fallback chain

google/gemini-3.7-flash

{
  "model": "google/gemini-3-flash-preview",
  "models": ["google/gemini-3-flash-preview", "google/gemini-3.7-flash"],
  "messages": [{ "role": "user", "content": "Hello" }]
}

API references

curl "https://router.zev.city/api/v1/models"

curl "https://router.zev.city/api/v1/models/google/gemini-3-flash-preview/endpoints"