Using Gemini 2.5 Flash Lite Preview 09-2025 on OpenRouter

Implementation guide · Gemini 2.5 · Google DeepMind

Serverless

OpenRouter exposes Gemini 2.5 Flash Lite Preview 09-2025 through model ID google/gemini-2.5-flash-lite-preview-09-2025. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-06-15. Next refresh: weekly.

Quick Start

1
Create an account at OpenRouter and generate an API key.
2
Use the OpenRouter SDK or REST API to call google/gemini-2.5-flash-lite-preview-09-2025 — see the documentation for request format.
3
You'll be billed $0.10/1M input, $0.40/1M output tokens. See full pricing.

API Portal Documentation Pricing Model Card

Code Examples

See OpenRouter documentation for integration details.

Pricing on OpenRouter

Type	Price (per 1M)
Input tokens	$0.10
Output tokens	$0.40

Capabilities

VisionMultimodalJSON / Tool useStructured OutputsCode Execution

About Gemini 2.5 Flash Lite Preview 09-2025

Google: Gemini 2.5 Flash Lite Preview 09-2025 available via OpenRouter. Pricing: $0.1/1M input, $0.4/1M output.

Full model details →

Model Specs

Released2025-09-01

Context1m

ArchitectureDecoder Only

Knowledge cutoff2025-01

OpenRouter, Inc.

New York, NY, USA