Input and Output Formats: AI Image Tools Compared

AI image tools like Dall-E, Gemini, and Flux Pro differ in the file formats, resolutions, and batch processing capabilities they support. Here’s a quick summary to help you decide:

• Dall-E: Handles PNG, JPG, and WebP formats with resolutions up to 1024x1024. Outputs are in PNG with JSON metadata and supports up to 4 variations per prompt.
• Gemini: Adds TIFF support and higher resolution (up to 2048x2048). Offers PNG or JPEG outputs and allows up to 6 variations per prompt.
• Flux Pro: Most versatile with support for PSD, TIFF, and resolutions up to 4096x4096. Outputs in PNG, TIFF, or PSD, with 8 variations per prompt and advanced batch processing.

Quick Comparison Table

Feature	Dall-E	Gemini	Flux Pro
Input Formats	PNG, JPG, WebP	PNG, JPG, TIFF	PNG, JPG, WebP, TIFF, PSD
Max Resolution	1024x1024	2048x2048	4096x4096
Output Formats	PNG	PNG, JPEG	PNG, TIFF, PSD
Batch Variations	Up to 4	Up to 6	Up to 8
Metadata	JSON	JSON	Detailed JSON

Key Takeaway: If you need higher resolutions and more format options, Flux Pro is the best choice. For simpler tasks, Dall-E and Gemini offer solid alternatives.

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1. Dall-E Input and Output

Dall-E works with PNG, JPG, and WebP image formats, with a maximum file size of 10 MB. Input images must have a resolution between 512x512 and 1024x1024 pixels. It supports both text-only prompts and combined image-text inputs, allowing natural language descriptions up to 400 characters.

When it comes to output, Dall-E generates images in PNG format and includes JSON metadata with the generation details. Users can choose from three resolution options: 1024x1024, 768x768, or 512x512 pixels. The platform also allows batch exports, generating up to 4 variations per prompt, ensuring consistent quality and format for all images.

Next, we’ll take a look at how Gemini handles input and output.

2. Gemini Input and Output

Gemini works with PNG, JPG, and TIFF files, handling sizes up to 15 MB and resolutions ranging from 256×256 to 2048×2048. You can use prompts of up to 300 characters in either text-only or image+text modes. The default output format is PNG, but you can opt for JPEG if needed. Outputs match the input resolution and come with JSON metadata that includes generation details. Batch exports allow up to six variations per prompt.

Next, we’ll look at Flux Pro's input and output capabilities.

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3. Flux Pro Input and Output

Flux Pro builds on Gemini's input options by supporting more formats and delivering higher-resolution outputs, making it well-suited for professional workflows.

It accepts PNG, JPG, WebP, TIFF, and PSD files, with a maximum file size of 25 MB. Input resolutions range from 512×512 to 4096×4096 pixels. You can use text-only prompts (up to 500 characters) or combine text with multiple reference images for more detailed inputs.

For outputs, Flux Pro generates images in PNG, TIFF, or PSD formats, with resolutions up to 4096×4096 pixels. Each export includes detailed JSON metadata with generation settings and image details. Additionally, it allows up to 8 variations per prompt, supports sequential batch processing, and offers custom naming options.

These features make Flux Pro a powerful addition, complementing the capabilities of the other tools.

Format Comparison Table

Format	Description	Common Use Cases
PDF	Preserves layout and design	E-books, reports, manuals
DOCX	Editable text format	Resumes, proposals, drafts
HTML	Web-based format for browsers	Websites, blogs, online articles
JPEG/PNG	Image formats	Photos, graphics, web images
CSV	Plain text for data tables	Spreadsheets, data import/export

Key Findings

Here's a breakdown of the main points based on the format comparison table:

• Flux Pro supports the most formats: PNG, JPG, WebP, TIFF, and PSD, with a file size limit of 25 MB.
• Resolution capabilities vary, from Dall-E's maximum of 1024x1024 to Flux Pro's impressive 4096x4096.
• All tools provide JSON metadata, but Flux Pro includes the most detailed generation data.
• Batch processing limits differ: Dall-E allows 4, Gemini handles 6, and Flux Pro supports up to 8.
• Input prompt lengths also vary: Dall-E allows 400 characters, Gemini permits 300, while Flux Pro tops out at 500.

These points can help you determine which tool aligns best with your needs.