Galaxy.ai Logo

Gemini 3.1 Flash Lite Preview vs Gemini 3.1 Pro Preview (Comparative Analysis)

Compare
Comparative Analysis: Gemini 3.1 Flash Lite Preview vs. Gemini 3.1 Pro Preview
Want to try out these models side by side?Try Galaxy.ai for free

Overview

Gemini 3.1 Pro Preview was released 12 days before Gemini 3.1 Flash Lite Preview.
Gemini 3.1 Flash Lite PreviewGemini 3.1 Flash Lite Preview
Gemini 3.1 Pro PreviewGemini 3.1 Pro Preview
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
65.5K
tokens
Release Date
When this model first became publicly available
March 3rd, 2026
February 19th, 2026

Capabilities & Features

Compare supported features, modalities, and advanced capabilities
Gemini 3.1 Flash Lite Preview
Gemini 3.1 Pro Preview
Input Types
Supported input formats
📝Text🖼️Image🎬Video📁File🎵Audio
🎵Audio📁File🖼️Image📝Text🎬Video
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 3.1 Flash Lite Preview is roughly 0.1x less expensive compared to Gemini 3.1 Pro Preview for input tokens and roughly 0.1x less expensive for output tokens.
Gemini 3.1 Flash Lite PreviewGemini 3.1 Flash Lite Preview
Gemini 3.1 Pro PreviewGemini 3.1 Pro Preview
Input Token Cost
Cost per million input tokens
$0.25
per million tokens
$2.00
per million tokens
Output Token Cost
Cost per million outut tokens
$1.50
per million tokens
$12.00
per million tokens

Benchmarks

Compare relevant benchmarks between Gemini 3.1 Flash Lite Preview and Gemini 3.1 Pro Preview.
Gemini 3.1 Flash Lite PreviewGemini 3.1 Flash Lite Preview
Gemini 3.1 Pro PreviewGemini 3.1 Pro Preview
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 3.1 Flash Lite Preview and Gemini 3.1 Pro Preview unique.
Google logoGemini 3.1 Flash Lite Preview by Google understands both text and images, handles audio, analyzes video, 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 $0.25/M input and $1.50/M output tokens. Released March 3rd, 2026.
Google logoGemini 3.1 Pro Preview by Google understands both text and images, handles audio, analyzes video, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1M token context window. Reasonably priced at $2.00/M input and $12.00/M output tokens. Released February 19th, 2026.

Explore More Comparisons

Compare your models with top performers across different categories