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doubao-seedream-3-0-t2i-250415

Image generation service from Jimeng

2025-07-04

Image Generations

Pricing:

$0.05/call

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API Overview

Ji Meng AI is ByteDance's one-stop AI creative platform integrating leading multimodal generative technologies. As a leading AI image generation platform in China, Ji Meng provides four core generative models, enabling users to create high-quality visual content by describing with text or uploading images.

The platform's core features include an intelligent canvas system integrating multiple functions such as AI puzzle generation, local retouching, one-click image expansion, image removal, and background removal, allowing users to seamlessly combine multiple elements on the same canvas. In addition, Ji Meng also offers a story creation mode covering the entire creative process from inspiration capture to content generation.

Ji Meng not only supports AI image creation but also provides video generation capabilities, including text-to-video and image-to-video functions, along with AI editing abilities such as keyframe control, lip-sync, camera movement control, and speed control, enabling users to easily turn their imagination into reality and adapt to various creative scenarios.

302.AI Release date: 2025-01-20

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API Reference (2)

API Description	API Endpoint	Request Method	Stability	Parameter Description
Generations（Seedream 3.0）	https://api.302.ai/doubao/images/generations	POST	Stable	View Details
Document Details The newly released JiMeng API adopts an OpenAI-compatible image generation format and offers higher concurrency. It currently supports the following models only: doubao-seedream-3-0-t2i-250415 doubao-seededit-3-0-i2i-250628 Pricing: 0.05 PTC per image. Request Parameters Header Parameters Authorizationstring Optional Example Value:`Bearer {{YOUR_API_KEY}}` Content-Typestring Optional Example Value:`application/json` Request Body application/json modelstring Required doubao-seedream-3-0-t2i-250415 promptstring Required Prompt words for generating images. response_formatstring Optional Specify the return format for generated images. The following two values are supported: “url”: Returns a downloadable JPEG image link; “b64_json”: Returns image data in JSON format as a Base64 encoded string. sizestring Optional The width and height of the generated image should be between [512 x 512, 2048 x 2048] pixels. Recommended width and height options: 1024x1024 (1:1) 864x1152 (3:4) 1152x864 (4:3) 1280x720 (16:9) 720x1280 (9:16) 832x1248 (2:3) 1248x832 (3:2) 1512x648 (21:9) seedinteger Optional Random number seed, used to control the randomness of the model’s generated content. The value range is [-1, 2147483647]. If not provided, the algorithm will automatically generate a random number as the seed. If you want the generated content to remain consistent, you can use the same seed parameter value. guidance_scalenumber Optional The degree of consistency between the model’s output and the prompt, i.e., the freedom of image generation; the larger the value, the lower the model’s freedom and the stronger the correlation with the user’s input prompt. Value range: floating-point number between [1, 10]. watermarkboolean Optional Whether to add a watermark to the generated image. false: Do not add a watermark. true: Add a watermark labeled “AI Generated” in the bottom right corner of the image.
Generations（SeedEdit 3.0）	https://api.302.ai/doubao/images/generations	POST	Stable	View Details
Document Details The newly released API format by Jimeng adopts an OpenAI-compatible image generation format, with higher concurrency. Supported models only: doubao-seedream-3-0-t2i-250415 doubao-seededit-3-0-i2i-250628 Price: 0.05 PTC/image Request Parameters Header Parameters Authorizationstring Optional Example Value:`Bearer {{YOUR_API_KEY}}` Content-Typestring Optional Example Value:`application/json` Request Body application/json modelstring Required doubao-seededit-3-0-i2i-250628 promptstring Required Prompt words for generating images. response_formatstring Optional Specify the return format for generated images. The following two options are supported: “url”: Returns a downloadable JPEG image link; “b64_json”: Returns image data in JSON format as a Base64 encoded string. sizestring Optional adaptive seedinteger Optional Random number seed, used to control the randomness of model-generated content. The value range is [-1, 2147483647]. If not provided, the algorithm will automatically generate a random number as the seed. If you want the generated content to remain consistent, you can use the same seed parameter value. guidance_scalenumber Optional The degree of consistency between the model’s output and the prompt, i.e., the freedom of image generation; the larger the value, the lower the model’s freedom and the stronger the correlation with the user’s input prompt. Value range: floating-point numbers between [1, 10]. watermarkboolean Optional Whether to add a watermark to the generated image. false: Do not add a watermark. true: Add a watermark labeled “AI generated” at the bottom right corner of the image. imagestring Required Diagram to be modified

API Pricing

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Model	Description	302.AI Price