Using Gemini 2.5 Flash Lite on Vercel AI Gateway

Implementation guide · Gemini 2.5 · Google DeepMind

Serverless

Vercel AI Gateway exposes Gemini 2.5 Flash Lite through model ID google/gemini-2.5-flash-lite. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-06-29. Next refresh: weekly.

Quick Start

  1. 1
    Create an account at Vercel AI Gateway and generate an API key.
  2. 2
    Use the Vercel AI Gateway SDK or REST API to call google/gemini-2.5-flash-lite — see the documentation for request format.
  3. 3
    You'll be billed $0.10/1M input, $0.40/1M output tokens. See full pricing.

Code Examples

Install
pip install openai
API key
AI_GATEWAY_API_KEY
Model ID
google/gemini-2.5-flash-lite

creator/model-name e.g. kwaipilot/kat-coder-pro-v2

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-2.5-flash-lite",
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

Pricing on Vercel AI Gateway

TypePrice (per 1M)
Input tokens$0.10
Output tokens$0.40
Query$35.00

Capabilities

VisionMultimodalJSON / Tool useStructured OutputsCode Execution

About Gemini 2.5 Flash Lite

Google: Gemini 2.5 Flash Lite available via OpenRouter. Pricing: $0.1/1M input, $0.4/1M output.

Model Specs

Released2025-07-22
Context1m
ArchitectureDecoder Only
Knowledge cutoff2025-01

Provider

Vercel AI Gateway

Vercel