---
title: Gemini 2.5 Flash — Fast LLM | ModelsLab
description: Generate responses at 392.8 tokens/sec with Gemini 2.5 Flash. Low-latency reasoning model for real-time apps. Try now.
url: https://modelslab.com/gemini-25-flash
canonical: https://modelslab.com/gemini-25-flash
type: website
component: Seo/ModelPage
generated_at: 2026-04-14T22:22:42.187214Z
---

Available now on ModelsLab · Language Model

Gemini 2.5 Flash
Speed meets reasoning power
---

[Try Gemini 2.5 Flash](/models/google/gemini-2.5-flash) [API Documentation](https://docs.modelslab.com)

![Gemini 2.5 Flash](https://assets.modelslab.ai/generations/4fc6b09e-c7ae-4301-aed1-0b180b88157b.png)

Build faster. Think smarter.
---

Lightning-Fast Generation

### 392.8 tokens per second

Stream responses instantly with 0.29s time-to-first-token for real-time applications.

Massive Context Window

### 1 million token capacity

Process entire books, codebases, and PDFs without chunking or truncation.

Controllable Reasoning

### Dynamic thinking budget

Automatically adjust processing depth based on query complexity for optimal speed-accuracy balance.

Examples

See what Gemini 2.5 Flash can create
---

Copy any prompt below and try it yourself in the [playground](/models/google/gemini-2.5-flash).

Customer Support Routing

“Classify this customer inquiry into: billing, technical support, or account management. Respond with only the category and confidence score.”

Code Review Summary

“Analyze this Python function and identify potential performance bottlenecks. Provide a concise summary with specific line numbers.”

Document Classification

“Extract the document type, date, and key parties from this contract. Format as structured JSON.”

Real-time Transcription

“Transcribe this audio and identify speaker changes. Output timestamps and speaker labels.”

For Developers

A few lines of code.
Fast inference. Three lines.
---

ModelsLab handles the infrastructure: fast inference, auto-scaling, and a developer-friendly API. No GPU management needed.

- **Serverless:** scales to zero, scales to millions
- **Pay per token,** no minimums
- **Python and JavaScript SDKs,** plus REST API

[API Documentation ](https://docs.modelslab.com)

PythonJavaScriptcURL

Copy

```
<code>import requests

response = requests.post(
    "https://modelslab.com/api/v7/llm/chat/completions",
    json={
  "key": "YOUR_API_KEY",
  "prompt": "",
  "model_id": ""
}
)
print(response.json())</code>
```

FAQ

Common questions about Gemini 2.5 Flash
---

[Read the docs ](https://docs.modelslab.com)

### What makes Gemini 2.5 Flash faster than alternatives?

### How does the thinking mode work?

### What's the context window size?

### Is Gemini 2.5 Flash a good alternative to Pro models?

### What multimodal inputs does it support?

### Where can I access Gemini 2.5 Flash?

Ready to create?
---

Start generating with Gemini 2.5 Flash on ModelsLab.

[Try Gemini 2.5 Flash](/models/google/gemini-2.5-flash) [API Documentation](https://docs.modelslab.com)

---

*This markdown version is optimized for AI agents and LLMs.*

**Links:**
- [Website](https://modelslab.com)
- [API Documentation](https://docs.modelslab.com)
- [Blog](https://modelslab.com/blog)

---
*Generated by ModelsLab - 2026-04-15*