Gemini 2.5 Flash

gemini-2.5-flash

Gemini 2.5 Flash is the balanced price-performance model in the Gemini 2.5 family, combining thinking capability with lower latency and cost. Google materials position it between Pro-level depth and Flash-Lite efficiency. It is suitable for production tasks that need reasoning, multimodal input, and practical throughput.

Context Window

1M tokens

Maximum Output

65.5K tokens

Release Date

Jun 17, 2025

Modalities

Gemini 2.5 Flash Pricing

Input PriceOutput PriceCache Read
$0.3/M$2.5/M$0.03/M

Gemini 2.5 Flash API Capabilities

Reasoning

Supported

Tool calling

Supported

Temperature parameter

Supported

Attachments

Supported

Knowledge Base

2025-01-01

Endpoint Protocols

Completions APIMessages APIgemini

Gemini 2.5 Flash Model Highlights

Gemini 2.5 Flash combines adaptive reasoning, multimodal understanding and a large context window for responsive, high-volume workloads.

Adaptive Reasoning

The model can apply thinking when a task requires additional analysis, balancing reasoning depth with responsiveness.

Multimodal Understanding

It accepts text, images, video and audio, enabling a single model to analyze information across several media types.

Long-Context Processing

A 1,048,576-token input window supports analysis of extensive documents, media collections and consolidated application context.

Gemini 2.5 Flash Use Cases

Gemini 2.5 Flash is suited to large-scale content processing, multimodal analysis and interactive applications that still require reasoning.

Multimedia Analysis

Analyze images, recordings and videos alongside text to produce searchable summaries, classifications and extracted findings.

Content Processing at Scale

Classify, summarize and extract information from large streams of content while retaining reasoning for less routine cases.

Interactive Assistants

Build responsive assistants that interpret user content, reason through requests and return useful text responses with low perceived delay.

How to Use Gemini 2.5 Flash via the TokenHub API

Create API key
import OpenAI from "openai"

const client = new OpenAI({
  apiKey: process.env.TOKENHUB_API_KEY,
  baseURL: "https://us-api.tokenhub.com/v1",
})

const result = await client.chat.completions.create({})
console.log(result.choices[0]?.message?.content)

Gemini 2.5 Flash Benchmarks

Index score
Artificial Analysis Intelligence IndexArtificial Analysis broad capability aggregate14.1
Artificial Analysis Coding IndexArtificial Analysis software task aggregate17.8
Artificial Analysis Math IndexArtificial Analysis math reasoning aggregate60.3
Knowledge & Reasoning
MMLU-ProAdvanced multi-task knowledge80.9%
GPQAAdvanced science problem solving68.3%
HLEBroad expert-level exam set5.1%
Coding & Engineering
LiveCodeBenchLive coding problems49.5%
SciCodeScientific coding challenges29.1%
Terminal-Bench HardHard terminal task execution12.1%
Math
MATH-500Advanced math problem solving93.2%
AIMECompetition math problems50%
AIME 2025Competition math problems60.3%
Instruction Following & Agent Tasks
IFBenchPrompt constraint adherence39.0%
AA-LCRLong-context reasoning45.9%
τ²-BenchAgent workflow tasks14.9%

Metrics sourced from Artificial Analysis

Media and Discussions

Selected public videos and posts related to this model.

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Reddit

YouTube

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Frequently asked questions about Gemini 2.5 Flash

Understand what Gemini 2.5 Flash is, its best uses, distinguishing strengths, practical tradeoffs, and safe TokenHub integration guidance.

How should developers understand the role of Gemini 2.5 Flash?+

Gemini 2.5 Flash is Google’s balanced Gemini 2.5 Flash model for high-volume, low-latency tasks that still benefit from thinking. It remains a defined model generation, but newer models in the same family may be preferable for new evaluations.

When does Gemini 2.5 Flash deliver the most practical value?+

Best-fit scenarios include high-volume application requests, reliable execution of multi-step agent workflows, and analysis of text and visual inputs. Test representative inputs and define measurable acceptance criteria before production.

What are the most useful characteristics of Gemini 2.5 Flash?+

Key strengths include a strong balance of quality, speed, and cost, fast response times, and strong reasoning on difficult problems. This combination is especially useful for reliable execution of multi-step agent workflows.

What are the practical limits of Gemini 2.5 Flash?+

Consider another model when the task needs the strongest Pro-tier reasoning, the project can adopt a newer Gemini generation, or the workflow cannot include human review for important decisions. Verify important factual, legal, financial, medical, or operational outputs with qualified human review.

How should developers call Gemini 2.5 Flash through TokenHub?+

In TokenHub, select the exact model identifier displayed for Gemini 2.5 Flash, use the endpoint documented for your account, and authenticate with your TokenHub credentials. Confirm the TokenHub-exposed input types, tools, grounding options, and model lifecycle rather than assuming full Gemini API parity.

Ready to use Gemini 2.5 Flash?

Use one API key to access Gemini 2.5 Flash and more AI models through TokenHub.

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