Google: Gemini 2.5 Flash Preview 09-2025 API
About
Build advanced reasoning agents with Google: Gemini 2.5 Flash Preview 09-2025, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.30/1M input and $2.50/1M output tokens, native tool calling support. Access Google: Gemini 2.5 Flash Preview 09-2025 via the Kilo Gateway API with up to 66K output tokens.
Capabilities
Input Modalities
imagetextaudiovideo
Output Modalities
text
Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsClosed
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
1.0M
Tokens
Input Limit
1.0M
Tokens
Max Output
66K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.30
Output
$2.50
Caching (per 1M tokens)
Read
$0.03
Write
$0.08
Frequently Asked Questions
Google: Gemini 2.5 Flash Preview 09-2025 by Kilo Gateway costs $0.30 per 1M input tokens and $2.50 per 1M output tokens. Cached reads cost $0.03 per 1M tokens. Cache writes cost $0.08 per 1M tokens.
Model Details
ID
google/gemini-2.5-flash-preview-09-2025
Provider
Kilo GatewayFamily
Release Date
Sep 25, 2025
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
KILO_API_KEY
API Base URL
https://api.kilo.ai/api/gateway