Gemini 2.5 Flash Lite Preview 09-25#

Providers / Google Vertex AI / Gemini 2.5 Flash Lite Preview 09-25

Preview release (Septempber 25th, 2025) of Gemini 2.5 Flash-Lite

📋 Overview#

ID: gemini-2.5-flash-lite-preview-09-2025
Provider: Google Vertex AI
Authors: Google
Release Date: 2025-09-25
Knowledge Cutoff: 2025-01-01
Open Weights: false
Context Window: 1.0M tokens
Max Output: 65k tokens

🔬 Technical Specifications#

Sampling Controls:

🎯 Capabilities#

Feature Overview#

Input/Output Modalities#

Direction	Text	Image	Audio	Video	PDF
Input	✅	✅	❌	❌	❌
Output	✅	❌	❌	❌	❌

Core Features#

Tool Calling	Tool Definitions	Tool Choice	Web Search	File Attachments
✅	✅	✅	❌	❌

Response Delivery#

Streaming	Structured Output	JSON Mode	Function Call	Text Format
✅	❌	❌	✅	✅

🎛️ Generation Controls#

Sampling & Decoding#

Temperature	Top-P
0.0-2.0	0.0-1.0

Length & Termination#

Max Tokens
1-65k

💰 Pricing#

Pricing shown for Google Vertex AI

Token Pricing#

Input	Output	Reasoning	Cache Read	Cache Write
$0.10/1M	$0.40/1M	-	-	-

💰 Cost Calculator#

Calculate costs for common usage patterns:

Use Case	Input	Output	Total Cost
Quick chat (1K in, 500 out)	1k tokens	500 tokens	$0.000300
Document summary (10K in, 1K out)	10k tokens	1k tokens	$0.001400
RAG query (50K in, 2K out)	50k tokens	2k tokens	$0.005800
Code generation (5K in, 10K out)	5k tokens	10k tokens	$0.004500

Pricing Formula:

1Cost = (Input Tokens / 1M × $0.10) + (Output Tokens / 1M × $0.40)

📊 Example Costs#

Real-world usage examples and their costs:

Usage Tier	Daily Volume	Monthly Tokens	Monthly Cost
Personal (10 chats/day)	10 chats	675k	$0.1350
Small Team (100 chats/day)	100 chats	9.0M	$1.80
Enterprise (1000 chats/day)	1000 chats	135.0M	$27.00

📋 Metadata#

Created: 0001-01-01 00:00:00 UTC

Last Updated: 2025-10-19 18:13:08 UTC

Last Updated: 2025-10-21 23:55:56 UTC | Generated by ModelWiki

Gemini 2.5 Flash Lite Preview 09 2025