Explore Google Gemini 2.5 Flash Preview

Advanced reasoning and context handling for diverse tasks.

Input: image · file · text · audio · video Output: text Context: 1,048,576 tokens Release: 2025-09-25

Google's Gemini 2.5 Flash Preview, released in September 2025, is a versatile AI model designed for complex reasoning, coding, mathematics, and scientific tasks. It features a substantial context window of 1,048,576 tokens, allowing it to handle extensive input data effectively. This model supports multiple input modalities, including text, image, file, and audio, and outputs text, making it adaptable for various applications. Key capabilities include advanced reasoning and nuanced context handling, with configurable parameters like 'max tokens for reasoning' to tailor its responses. Ideal for users needing precise and context-aware outputs.

Use Cases

Here are a few ways teams apply Google: Gemini 2.5 Flash Preview 09-2025 in practice—from fast drafting to multimodal understanding. Adapt these ideas to your workflow.

Enhance complex reasoning capabilities

Improve coding and mathematical solutions

Facilitate scientific research and analysis

Adapt outputs to specific task requirements

Key Features

A quick look at the capabilities that make this model useful in real projects.

Designed for reasoning and scientific tasks

Handles text, image, file, and audio inputs

Outputs text with nuanced context understanding

Configurable 'max tokens for reasoning' parameter

Large context window of 1,048,576 tokens

Specs

Overview

Vendor
google

Model ID
google/gemini-2.5-flash-preview-09-2025

Release
2025-09-25

Modalities & context

Input
image · file · text · audio · video

Output
text

Context
1,048,576 tokens

Parameters & defaults

Supported parameters: include_reasoning, max_tokens, reasoning, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_p

Defaults: temperature 0.2, top_p 0.95

Benchmark tests: Google: Gemini 2.5 Flash Preview 09-2025

We ran this model against a few representative prompts to show its range. Review the outputs below and be the judge.

Text

Prompt:

Write 150 words on how AI might positively upend work, leisure and creativity

AI promises a positive upheaval across work, leisure, and creativity. In the workplace, AI automates mundane tasks, freeing humans for complex problem-solving and innovation, leading to increased productivity and job satisfaction. For leisure, personalized AI assistants can curate experiences, manage schedules, and even facilitate learning new skills, maximizing relaxation and personal growth. Creatively, AI acts as a powerful co-pilot, generating initial concepts, refining drafts, and exploring diverse styles, democratizing artistic expression and allowing creators to focus on vision and emotional depth, ultimately accelerating human ingenuity and enriching our lives.

Run this prompt on Upend.AI

Image

Prompt:

Generate an SVG of a pelican riding a bicycle.

Run this prompt on Upend.AI

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up.end

/ˌəpˈend/

verb

To “upend” means to completely disrupt, overturn, or drastically change the established order or structure of something. It implies a significant shift or alteration that can potentially have far-reaching consequences. When something is upended, it is turned upside down or transformed in a way that challenges conventional norms or expectations. The term often carries a sense of innovation, transformation, and sometimes even a hint of upheaval, indicating that the changes are not just minor adjustments but rather a fundamental reimagining of the status quo.

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