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Claude Opus 4.5 vs Gemini 2.5 Flash Lite (Comparative Analysis)

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Comparative Analysis: Claude Opus 4.5 vs. Gemini 2.5 Flash Lite
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Overview

Gemini 2.5 Flash Lite was released 4 months before Claude Opus 4.5.
Claude Opus 4.5Claude Opus 4.5
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
November 24th, 2025
July 22nd, 2025

Capabilities & Features

Compare supported features, modalities, and advanced capabilities
Claude Opus 4.5
Gemini 2.5 Flash Lite
Input Types
Supported input formats
📁File🖼️Image📝Text
📝Text🖼️Image📁File🎵Audio🎬Video
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 Opus 4.5 is roughly 50.0x more expensive compared to Gemini 2.5 Flash Lite for input tokens and roughly 62.5x more expensive for output tokens.
Claude Opus 4.5Claude Opus 4.5
Gemini 2.5 Flash LiteGemini 2.5 Flash Lite
Input Token Cost
Cost per million input tokens
$5.00
per million tokens
$0.10
per million tokens
Output Token Cost
Cost per million outut tokens
$25.00
per million tokens
$0.40
per million tokens

Benchmarks

Compare relevant benchmarks between Claude Opus 4.5 and Gemini 2.5 Flash Lite.
Claude Opus 4.5Claude Opus 4.5
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 Opus 4.5 and Gemini 2.5 Flash Lite unique.
Anthropic logoClaude Opus 4.5 by Anthropic understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 200K token context window. Premium pricing at $5.00/M input and $25.00/M output tokens. Includes built-in content moderation for safer outputs. Released November 24th, 2025.
Google logoGemini 2.5 Flash Lite 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 $0.10/M input and $0.40/M output tokens. Released July 22nd, 2025.

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