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Google: Imagen 4 Fast

This model is no longer available.

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Model Card

Imagen 4 Fast is Google's speed-optimized text-to-image model offering generation up to 10x faster than Imagen 3 at just $0.02 per image. It's ideal for rapid prototyping, high-volume tasks, and iterative exploration while maintaining improved text rendering and style versatility.

Cost Per Image $0.02

per generation

Configuration 1MP

resolution

Release Date Aug 15, 2025

 

Code Example

Add AI to your app with the Puter.js AI API, no API keys or setup required.

// npm install @heyputer/puter.js
import { puter } from '@heyputer/puter.js';

puter.ai.txt2img("A serene mountain landscape at sunset").then(image => {
    document.body.appendChild(image);
});
<html>
<body>
    <script src="https://js.puter.com/v2/"></script>
    <script>
        puter.ai.txt2img("A serene mountain landscape at sunset").then(image => {
            document.body.appendChild(image);
        });
    </script>
</body>
</html>

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Gemini 3.8 Flash is Google's workhorse Flash-tier model, released September 2, 2026, three weeks after Gemini 3.7 Flash. It's built for long-horizon software engineering, agentic workflows, and multi-step reasoning in professional domains. Google reports it outperforms 3.7 Flash and other frontier models on DeepSWE v1.1 for autonomous engineering tasks, on Vals Finance Agent V2, and on Harvey's Legal Agent Benchmark. It scores 54.9% on HLE-Verified, and completes more than three times as many tasks as 3.7 Flash in Google's long-running, document-heavy workflow evaluations. It accepts text, image, video, audio, and PDF input with a 1M token context window and 64K token output limit, supports function calling and iterative tool use, and has a March 2026 knowledge cutoff. Priced at $0.75 per million input tokens and $3.75 per million output tokens through 2026, it targets teams running coding agents or document-heavy enterprise workflows.

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Gemini 3.7 Flash

Gemini 3.7 Flash is Google's workhorse Flash-tier model, released August 13, 2026, three weeks after Gemini 3.6 Flash. It's built for coding and agentic workflows, targeting software engineering, web development, and knowledge-dense domains like finance and law. Google reports gains over Gemini 3.6 Flash on several benchmarks. DeepSWE v1.1 rose from 49.0% to 65.3%, FrontierCode 1.1 from 34.4% to 43.6%, and AutomationBench from 17.0% to 30.4%. On FrontierCode 1.1 it scores above Claude Sonnet 5 (42.7%) and GPT-5.6 Terra (41.3%), though GPT-5.6 Terra edges it out on Terminal-bench 2.1 (87.4% vs 85.8%). It accepts text, image, video, audio, and PDF input with a 1M token context window and 64K token output limit. It supports function calling, search as a tool, and computer use, and has a March 2026 knowledge cutoff. It's priced at roughly half of Gemini 3.6 Flash's rate, fitting teams running coding agents or high-volume document processing.

Frequently Asked Questions

How do I use Imagen 4 Fast?

Imagen 4 Fast is no longer available through Puter.js. Explore other AI models for alternatives.

What is the pricing for Imagen 4 Fast?
Imagen 4 Fast costs $0.02 per image.
Price
Per image$0.02
Who created Imagen 4 Fast?

Imagen 4 Fast was created by Google and released on Aug 15, 2025.

Does it work with React / Vue / Vanilla JS / Node / etc.?

Yes — the Imagen 4 Fast API works with any JavaScript framework, Node.js, or plain HTML through Puter.js. Just include the library and start building. See the documentation for more details.

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