Google: Gemini 2.5 Flash

by Google

Gemini 2.5 Flash is Google's state-of-the-art workhorse model, specifically designed for advanced reasoning, coding, mathematics, and scientific tasks. It includes built-in "thinking" capabilities, enabling it to provide responses with greater accuracy and nuanced context handling. Additionally, G...

*Artificial Analysis‡Kilo Code Leaderboard†OpenRouter
Release Date
May 20, 2025
Context Window
1,048,576 tokens
Max Output
65,535 tokens
Input Modalities
fileimagetextaudiovideo

Coding Performance

Coding benchmarks and performance metrics for development tasks

Coding Benchmarks

Artificial Analysis Coding Index

30.0%

Overall coding capability score

LiveCodeBench

49.5%

Real-world coding task performance

SciCode

29.1%

Scientific computing & algorithms

TerminalBench Hard

11.3%

CLI & terminal command generation

LCR (Long Context Reasoning)

45.9%

Understanding large codebases

IFBench

39.0%

Instruction following accuracy

Speed & Efficiency

Output Speed

240.7 tokens/sec

Median output tokens per second

Time to First Token

0.4s

Median responsiveness

Performance metrics from Artificial Analysis

Real-World Usage

Real-world usage statistics from the Kilo Code community

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Real-world metrics from the Kilo Code Leaderboard

Pricing

Cost per 1 million tokens

Input Tokens
$0.30
per 1M tokens
Output Tokens
$2.50
per 1M tokens
Blended (3:1 ratio)
$0.85
per 1M tokens

Example Cost

Analyzing a 10,000 line codebase (≈40k input tokens, 10k output tokens) costs approximately $0.0370

Coding Capabilities

Features and parameters relevant to coding tasks

Coding Features

Function Calling
Can call external functions/APIs
Tool Choice
Control over function selection
Structured Outputs
JSON schema validation
Reasoning Tokens
Extended thinking for complex problems

Pricing details from OpenRouter

Technical Details

Architecture and implementation specifications

Model ID
google/gemini-2.5-flash
Created
June 17, 2025
Tokenizer
Gemini
Input Modalities
file, image, text, audio, video
Context Window
1,048,576 tokens
Max Completion Tokens
65,535 tokens
Input Price
$0.30 per 1M tokens
Output Price
$2.50 per 1M tokens
Cache Read Price
$0.03 per 1M tokens
Cache Write Price
$0.38 per 1M tokens
Content Moderation
Disabled

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