Gemini 3.1 Flash Lite · Vertex API pricing
Google's Gemini series — very long context windows and strong multimodal input.
vertex/gemini-3.1-flash-liteCall summary
Gemini 3.1 Flash Lite · Vertex API endpoints
One API key — this model is served on the endpoint below.
Production reliability
Privacy-safe aggregates from real Router One model calls, so you can assess stability and response latency before integrating.
Not enough production samples yet
This window needs at least 100 eligible requests across 5 independent principals. Metrics appear automatically after that threshold is met.
More Gemini models on Router One
32 other Gemini models on the same gateway and API key — each page lists endpoints, posted price, and context window.
18 channel versions
Gemini 3.1 Flash Lite · Vertex at a glance
Gemini 3.1 Flash Lite · Vertex (model ID vertex/gemini-3.1-flash-lite) is a Gemini-series text model on Router One. Gemini 3.1 Flash Lite · Vertex is the Vertex sales channel of the same base model as google/gemini-3.1-flash-lite: a separately priced product with an isolated routing pool — requests never fall back to the default channel, its rates and long-context tiers are its own, a plan quota that covers google/gemini-3.1-flash-lite does not cover it unless the live plan response lists the channel id, and the response model field and Dashboard → Logs carry the channel id. No Router One subscription plan includes Gemini 3.1 Flash Lite · Vertex today; every call bills the wallet at its posted rate. vertex/gemini-3.1-flash-lite is the catalog id without the -preview suffix; vertex/gemini-3.1-flash-lite-preview is listed separately at its own rate. Posted rate: $0.1875 in / $1.125 out per 1M tokens (was $0.25 in / $1.50 out). Context window: 1.05M tokens. Accepts text, image; returns text. Endpoint: POST /v1/chat/completions (OpenAI-compatible).
Gemini 3.1 Flash Lite · Vertex FAQ
How much does Gemini 3.1 Flash Lite · Vertex cost on Router One?
Gemini 3.1 Flash Lite · Vertex is billed per token on Router One: $0.1875 in / $1.125 out per 1M tokens, pay as you go.
Is Gemini 3.1 Flash Lite · Vertex included in Router One subscriptions?
No Router One subscription plan includes Gemini 3.1 Flash Lite · Vertex today; every call bills the wallet at its posted rate.
Which endpoints serve Gemini 3.1 Flash Lite · Vertex?
Gemini 3.1 Flash Lite · Vertex is served on POST /v1/chat/completions (OpenAI-compatible). Any Router One API key works there.
What is Gemini 3.1 Flash Lite · Vertex's context window?
Gemini 3.1 Flash Lite · Vertex accepts up to 1.05M tokens of context per request on Router One.
What does the vertex/ prefix in vertex/gemini-3.1-flash-lite mean?
vertex/ selects the Vertex sales channel on Router One. Gemini 3.1 Flash Lite · Vertex is the same base model as google/gemini-3.1-flash-lite, sold as a separate product: routing stays inside the Vertex channel with no fallback to the default channel, the posted rates and tiers are the channel's own, a plan quota covers it only when the live plan response lists the channel id, and the channel id is echoed in the response and in every request trace. Router One publishes the channel label and the customer price, not the suppliers or regions behind it; the channel model ids guide on the blog states the full rules. No Router One subscription plan includes Gemini 3.1 Flash Lite · Vertex today; every call bills the wallet at its posted rate.
Start using Gemini 3.1 Flash Lite · Vertex
Create an API key and call Gemini 3.1 Flash Lite · Vertex at $0.1875 in / $1.125 out per 1M tokens on Router One — pay as you go, with per-request cost and latency visibility.