Gemini 3 Flash Is Now Available in Puter.js

Puter.js now supports Gemini 3 Flash, giving developers access to Google's fastest and most efficient frontier model.

What is Gemini 3 Flash?

Gemini 3 Flash is Google's high-efficiency model designed for speed without compromising quality. It achieves a 78% SWE-bench Verified score for agentic coding—outperforming both the 2.5 series and Gemini 3 Pro. Key capabilities include:

• Lightning fast: 3x faster than Gemini 2.5 Pro at a fraction of the cost
• Strong coding abilities: 78% SWE-bench score, ideal for code generation and debugging
• Large context handling: Efficiently processes massive context windows without losing track
• Multimodal support: Works with text, images, and code

Examples

Quick code generation

puter.ai.chat("Write a JavaScript function to debounce user input",
  { model: 'gemini-3-flash-preview' }
);

Rapid prototyping

puter.ai.chat("Create an HTML page with a responsive navigation bar using CSS flexbox",
  { model: 'gemini-3-flash-preview' }
);

Code debugging

puter.ai.chat(`Fix the bug in this code:
function sum(arr) {
  let total;
  for (let i = 0; i <= arr.length; i++) {
    total += arr[i];
  }
  return total;
}`,
  { model: 'gemini-3-flash-preview' }
);

Summarizing large content

puter.ai.chat("Summarize the key points from this long document: " + longText,
  { model: 'gemini-3-flash-preview' }
);

Get Started Now

Just add one script tag to your HTML:

<script src="https://js.puter.com/v2/"></script>

No API keys and no infrastructure setup. Start building with Gemini 3 Flash immediately.

Learn more:

• Free, Unlimited Gemini API
• Puter.js Documentation