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Gemini 2.5 Flash Lite vs Gemini 1.5 Flash 8B (Comparative Analysis)

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Comparative Analysis: Gemini 2.5 Flash Lite vs. Gemini 1.5 Flash 8B
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Overview

Gemini 1.5 Flash 8B was released 9 months before Gemini 2.5 Flash Lite.
Gemini 2.5 Flash LiteGemini 2.5 Flash Lite
Gemini 1.5 Flash 8BGemini 1.5 Flash 8B
Model Provider
The organization behind this AI's development
Google logoGoogle
Google logoGoogle
Input Context Window
Maximum input tokens this model can process at once
1M
tokens
1M
tokens
Output Token Limit
Maximum output tokens this model can generate at once
65.5K
tokens
8.2K
tokens
Release Date
When this model first became publicly available
July 22nd, 2025
October 3rd, 2024

Capabilities & Features

Compare supported features, modalities, and advanced capabilities
Gemini 2.5 Flash Lite
Gemini 1.5 Flash 8B
Input Types
Supported input formats
📁File🖼️Image📝Text🎵Audio
📝Text🖼️Image
Output Types
Supported output formats
📝Text
📝Text
Tokenizer
Text encoding system
GeminiGemini
Key Features
Advanced capabilities
Function CallingStructured OutputReasoning ModeContent Moderation
Function CallingStructured OutputReasoning ModeContent Moderation

Pricing

Gemini 2.5 Flash Lite is roughly 2.5x more expensive compared to Gemini 1.5 Flash 8B for input tokens and roughly 2.7x more expensive for output tokens.
Gemini 2.5 Flash LiteGemini 2.5 Flash Lite
Gemini 1.5 Flash 8BGemini 1.5 Flash 8B
Input Token Cost
Cost per million input tokens
$0.10
per million tokens
$0.04
per million tokens
Output Token Cost
Cost per million outut tokens
$0.40
per million tokens
$0.15
per million tokens

Benchmarks

Compare relevant benchmarks between Gemini 2.5 Flash Lite and Gemini 1.5 Flash 8B.
Gemini 2.5 Flash LiteGemini 2.5 Flash Lite
Gemini 1.5 Flash 8BGemini 1.5 Flash 8B
MMLU
Measures knowledge across 57 subjects like law, math, history, and science
Benchmark not available.
Benchmark not available.
MMMU
Measures understanding of combined text and images across various domains
Benchmark not available.
Benchmark not available.
HellaSwag
Measures common sense reasoning by having models complete sentences about everyday situations
Benchmark not available.
Benchmark not available.

At a Glance

Quick overview of what makes Gemini 2.5 Flash Lite and Gemini 1.5 Flash 8B unique.
Google logoGemini 2.5 Flash Lite by Google understands both text and images, handles audio, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1M token context window. Very affordable at $0.10/M input and $0.40/M output tokens. Released July 22nd, 2025.
Google logoGemini 1.5 Flash 8B by Google understands both text and images, can use external tools and APIs, generates structured data. It can handle standard conversations with its 1M token context window. Very affordable at $0.04/M input and $0.15/M output tokens. Released October 3rd, 2024.

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