Last refreshed 2026-05-22. Next refresh: weekly.
Why use Gemini 3.1 Flash Lite Preview on Vercel AI Gateway?
Vercel AI Gateway offers Gemini 3.1 Flash Lite Preview with pay-as-you-go pricing at $0.25/1M input tokens. Vercel AI Gateway is a unified AI proxy providing a single OpenAI-compatible API endpoint to 275+ models from 25+ providers including Anthropic, OpenAI, Google, Meta, Mistral, DeepSeek, xAI, Alibaba, Amazon, ByteDance, Cohere, MiniMax, MoonshotAI, KwaiPilot, Black Forest Labs, Recraft, Voyage AI, NVIDIA, and more.
Compare Gemini 3.1 Flash Lite Preview across 4 providers to find the best fit for your use caseSetup recipe
Python + curlpip install openaiexport AI_GATEWAY_API_KEY=...import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],google/gemini-3.1-flash-lite-previewRequest example
import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],
base_url="https://ai-gateway.vercel.sh/v1"
)
response = client.chat.completions.create(
model="google/gemini-3.1-flash-lite-preview",
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Gotchas
- Use provider model ID "google/gemini-3.1-flash-lite-preview", not the LLMReference slug "gemini-3.1-flash-lite-preview".
- creator/model-name e.g. kwaipilot/kat-coder-pro-v2
- The examples expect AI_GATEWAY_API_KEY; rename it only if your application config maps the new variable.
Compare Gemini 3.1 Flash Lite Preview Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Google AI Studio | $0.25 | $1.50 |
| GCP Vertex AI | $0.25 | $1.50 |
| OpenRouter | $0.25 | $1.50 |
| Vercel AI Gateway | $0.25 | $1.50 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.25 |
| Output tokens | $1.50 |
| Query | $14.00 |
Capabilities
About Gemini 3.1 Flash Lite Preview
Preview-stage Gemini 3.1 Flash-Lite model deprecated on 2026-05-11 with shutdown on 2026-05-25; use gemini-3.1-flash-lite GA instead.
FAQ
What does Gemini 3.1 Flash Lite Preview cost on Vercel AI Gateway?
On Vercel AI Gateway, Gemini 3.1 Flash Lite Preview costs $0.25 per 1M input tokens and $1.5 per 1M output tokens.
What is the context window for Gemini 3.1 Flash Lite Preview on Vercel AI Gateway?
Gemini 3.1 Flash Lite Preview supports a 1,000,000 token context window on Vercel AI Gateway.
How does Vercel AI Gateway compare to other Gemini 3.1 Flash Lite Preview providers?
Gemini 3.1 Flash Lite Preview is available from 4 providers. The cheapest input pricing is $0.25/1M tokens from Google AI Studio.
What API model ID do I use for Gemini 3.1 Flash Lite Preview on Vercel AI Gateway?
Use the model ID google/gemini-3.1-flash-lite-preview when calling Vercel AI Gateway's API.
Who created Gemini 3.1 Flash Lite Preview?
Gemini 3.1 Flash Lite Preview was created by Google DeepMind as part of the Gemini 3.1 model family.
Is Gemini 3.1 Flash Lite Preview open source?
Gemini 3.1 Flash Lite Preview's open source status is unknown in the seed data.