Gemini 2.5 Flash Lite Preview 09-2025 API
About
Build advanced reasoning agents with Gemini 2.5 Flash Lite Preview 09-2025, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.10/1M input and $0.40/1M output tokens, native tool calling support. Access Gemini 2.5 Flash Lite Preview 09-2025 via the OpenRouter API with up to 66K output tokens.
Capabilities
Input Modalities
textimagepdfaudio
Limits
Context Window
1.0M
Tokens
Input Limit
1.0M
Tokens
Max Output
66K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.10
Output
$0.40
Reasoning (per 1M tokens)
Output
$0.40
Caching (per 1M tokens)
Read
$0.01
Write
$0.08
Frequently Asked Questions
Gemini 2.5 Flash Lite Preview 09-2025 by OpenRouter costs $0.10 per 1M input tokens and $0.40 per 1M output tokens. Cached reads cost $0.01 per 1M tokens. Cache writes cost $0.08 per 1M tokens.
Model Details
ID
google/gemini-2.5-flash-lite-preview-09-2025
Provider
OpenRouterFamily
gemini-flash-lite
Release Date
Sep 25, 2025
Knowledge Cutoff
Jan 31, 2025
API Integration
NPM Package
@openrouter/ai-sdk-provider
Environment Variables
OPENROUTER_API_KEY
API Base URL
https://openrouter.ai/api/v1