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Claude Sonnet 4 vs Gemini 2.5 Flash Lite (Comparative Analysis)

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Comparative Analysis: Claude Sonnet 4 vs. Gemini 2.5 Flash Lite
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Overview

Claude Sonnet 4 was released 2 months before Gemini 2.5 Flash Lite.
Claude Sonnet 4Claude Sonnet 4
Gemini 2.5 Flash LiteGemini 2.5 Flash Lite
Model Provider
The organization behind this AI's development
Anthropic logoAnthropic
Google logoGoogle
Input Context Window
Maximum input tokens this model can process at once
200K
tokens
1M
tokens
Output Token Limit
Maximum output tokens this model can generate at once
64K
tokens
65.5K
tokens
Release Date
When this model first became publicly available
May 22nd, 2025
July 22nd, 2025

Capabilities & Features

Compare supported features, modalities, and advanced capabilities
Claude Sonnet 4
Gemini 2.5 Flash Lite
Input Types
Supported input formats
🖼️Image📝Text📁File
📁File🖼️Image📝Text🎵Audio
Output Types
Supported output formats
📝Text
📝Text
Tokenizer
Text encoding system
ClaudeGemini
Key Features
Advanced capabilities
Function CallingStructured OutputReasoning ModeContent Moderation
Function CallingStructured OutputReasoning ModeContent Moderation

Pricing

Claude Sonnet 4 is roughly 30.0x more expensive compared to Gemini 2.5 Flash Lite for input tokens and roughly 37.5x more expensive for output tokens.
Claude Sonnet 4Claude Sonnet 4
Gemini 2.5 Flash LiteGemini 2.5 Flash Lite
Input Token Cost
Cost per million input tokens
$3.00
per million tokens
$0.10
per million tokens
Output Token Cost
Cost per million outut tokens
$15.00
per million tokens
$0.40
per million tokens

Benchmarks

Compare relevant benchmarks between Claude Sonnet 4 and Gemini 2.5 Flash Lite.
Claude Sonnet 4Claude Sonnet 4
Gemini 2.5 Flash LiteGemini 2.5 Flash Lite
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 Claude Sonnet 4 and Gemini 2.5 Flash Lite unique.
Anthropic logoClaude Sonnet 4 by Anthropic understands both text and images, can use external tools and APIs, offers advanced reasoning. It can handle standard conversations with its 200K token context window. Premium pricing at $3.00/M input and $15.00/M output tokens. Released May 22nd, 2025.
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.

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