Gemini 2.5 Flash Lite Preview 09-25 vs Gemini 2.5 Flash Preview 05-20
The Gemini 2.5 Flash Lite Preview 09-25 offers developers a cost-effective solution with a context window of 1,048,576 tokens and pricing at $0.1/M input and $0.4/M output tokens. In contrast, the Gemini 2.5 Flash Preview 05-20 has the same context size but is priced slightly higher at $0.15/M input and $0.6/M output tokens. The Flash Lite Preview 09-25 is better suited for applications requiring advanced reasoning and multimodal inputs, while the Flash Preview 05-20 is ideal for developers working on cutting-edge AI tasks.
Quick Overview
Gemini 2.5 Flash Lite Preview 09-25
Vertex
1.0M tokens context • $0.10 / $0.40 per 1M tokens
View full specifications →Gemini 2.5 Flash Preview 05-20
Vertex
1.0M tokens context • $0.15 / $0.60 per 1M tokens
View full specifications →Detailed Comparison
Specification
Gemini 2.5 Flash Lite Preview 09-25
Gemini 2.5 Flash Preview 05-20
Provider
Vertex
Vertex
Context Window
1.0M tokens
1.0M tokens
Max Output Tokens
66K tokens
66K tokens
Input Pricing (per 1M tokens)
$0.10
$0.15
Output Pricing (per 1M tokens)
$0.40
$0.60
Release Date
Sep 2025
May 2025
Capabilities
Capability
Gemini 2.5 Flash Lite Preview 09-25
Gemini 2.5 Flash Preview 05-20
Text Generation
Vision
Audio Input
Video Understanding
PDF Processing
Function Calling
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose Gemini 2.5 Flash Lite Preview 09-25 if:
- • Cost efficiency is a priority