--- title: Seedream 4.0 description: Seedream 4.0 is ByteDance's image creation model that combines text-to-image generation and image editing into a single architecture, offering fast, high-resolution output up to 4K. image: https://developers.cloudflare.com/dev-products-preview.png --- > Documentation Index > Fetch the complete documentation index at: https://developers.cloudflare.com/ai/llms.txt > Use this file to discover all available pages before exploring further. [Skip to content](#%5Ftop) ![ByteDance logo](https://developers.cloudflare.com/_astro/bytedance.T1uiROQ6.svg) # Seedream 4.0 Text-to-Image • ByteDance `bytedance/seedream-4.0` Seedream 4.0 is ByteDance's image creation model that combines text-to-image generation and image editing into a single architecture, offering fast, high-resolution output up to 4K. | Model Info | | | ---------------- | ------------------------------------------------------------------------------------------------------------------------ | | More information | [link ↗](https://seed.bytedance.com/en/seedream4%5F0) | | Pricing | [View pricing in the Cloudflare dashboard ↗](https://dash.cloudflare.com/?to=/:account/ai/models/bytedance/seedream-4.0) | ## Usage * [ TypeScript ](#tab-panel-404) * [ cURL ](#tab-panel-405) TypeScript ``` const response = await env.AI.run( 'bytedance/seedream-4.0', { prompt: 'A serene mountain lake surrounded by pine trees at dawn' },)console.log(response) ``` Terminal window ``` curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \ --header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \ --header "Content-Type: application/json" \ --data '{ "model": "bytedance/seedream-4.0", "input": { "prompt": "A serene mountain lake surrounded by pine trees at dawn" }}' ``` * [ Output ](#tab-panel-402) * [ Raw response ](#tab-panel-403) ![Simple Generation](https://pub-04a6d208d361438ea01b797e6973bd19.r2.dev/catalog/bytedance__seedream-4.0/simple-generation.jpeg) ``` { "gatewayMetadata": { "keySource": "Unified" }, "result": { "image": "https://ark-content-generation-v2-ap-southeast-1.tos-ap-southeast-1.volces.com/seedream-4-0/021776387438887c5f50319cb4d4388d7836967b82aebe5227f8d_0.jpeg" }, "state": "Completed"} ``` ## Examples **High Resolution** — 4K quality image generation * [ TypeScript ](#tab-panel-408) * [ cURL ](#tab-panel-409) TypeScript ``` const response = await env.AI.run( 'bytedance/seedream-4.0', { prompt: 'A detailed steampunk mechanical owl with brass gears and copper feathers, intricate clockwork visible', aspect_ratio: '1:1', size: '4K', },)console.log(response) ``` Terminal window ``` curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \ --header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \ --header "Content-Type: application/json" \ --data '{ "model": "bytedance/seedream-4.0", "input": { "prompt": "A detailed steampunk mechanical owl with brass gears and copper feathers, intricate clockwork visible", "aspect_ratio": "1:1", "size": "4K" }}' ``` * [ Output ](#tab-panel-406) * [ Raw response ](#tab-panel-407) ![High Resolution](https://pub-04a6d208d361438ea01b797e6973bd19.r2.dev/catalog/bytedance__seedream-4.0/high-resolution.jpeg) ``` { "gatewayMetadata": { "keySource": "Unified" }, "result": { "image": "https://ark-content-generation-v2-ap-southeast-1.tos-ap-southeast-1.volces.com/seedream-4-0/021776387448153c5f50319cb4d4388d7836967b82aebe5807cbc_0.jpeg" }, "state": "Completed"} ``` **Widescreen Landscape** — Cinematic aspect ratio image * [ TypeScript ](#tab-panel-412) * [ cURL ](#tab-panel-413) TypeScript ``` const response = await env.AI.run( 'bytedance/seedream-4.0', { prompt: 'A vast alien desert landscape with two suns setting on the horizon, ancient ruins in the foreground', aspect_ratio: '21:9', size: '2K', },)console.log(response) ``` Terminal window ``` curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \ --header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \ --header "Content-Type: application/json" \ --data '{ "model": "bytedance/seedream-4.0", "input": { "prompt": "A vast alien desert landscape with two suns setting on the horizon, ancient ruins in the foreground", "aspect_ratio": "21:9", "size": "2K" }}' ``` * [ Output ](#tab-panel-410) * [ Raw response ](#tab-panel-411) ![Widescreen Landscape](https://pub-04a6d208d361438ea01b797e6973bd19.r2.dev/catalog/bytedance__seedream-4.0/widescreen-landscape.jpeg) ``` { "gatewayMetadata": { "keySource": "Unified" }, "result": { "image": "https://ark-content-generation-v2-ap-southeast-1.tos-ap-southeast-1.volces.com/seedream-4-0/021776387469085c5f50319cb4d4388d7836967b82aebe5dcf17e_0.jpeg" }, "state": "Completed"} ``` **Portrait Format** — Vertical image for portraits * [ TypeScript ](#tab-panel-416) * [ cURL ](#tab-panel-417) TypeScript ``` const response = await env.AI.run( 'bytedance/seedream-4.0', { prompt: 'An elegant Art Deco poster featuring a jazz singer under a spotlight', aspect_ratio: '9:16', enhance_prompt: true, },)console.log(response) ``` Terminal window ``` curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \ --header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \ --header "Content-Type: application/json" \ --data '{ "model": "bytedance/seedream-4.0", "input": { "prompt": "An elegant Art Deco poster featuring a jazz singer under a spotlight", "aspect_ratio": "9:16", "enhance_prompt": true }}' ``` * [ Output ](#tab-panel-414) * [ Raw response ](#tab-panel-415) ![Portrait Format](https://pub-04a6d208d361438ea01b797e6973bd19.r2.dev/catalog/bytedance__seedream-4.0/portrait-format.jpeg) ``` { "gatewayMetadata": { "keySource": "Unified" }, "result": { "image": "https://ark-content-generation-v2-ap-southeast-1.tos-ap-southeast-1.volces.com/seedream-4-0/021776387475078c5f50319cb4d4388d7836967b82aebe5e6ec81_0.jpeg" }, "state": "Completed"} ``` **Detailed 4K** — High-resolution detailed botanical illustration * [ TypeScript ](#tab-panel-420) * [ cURL ](#tab-panel-421) TypeScript ``` const response = await env.AI.run( 'bytedance/seedream-4.0', { prompt: 'A detailed botanical illustration of exotic tropical flowers', aspect_ratio: '3:4', size: '4K', },)console.log(response) ``` Terminal window ``` curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \ --header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \ --header "Content-Type: application/json" \ --data '{ "model": "bytedance/seedream-4.0", "input": { "prompt": "A detailed botanical illustration of exotic tropical flowers", "aspect_ratio": "3:4", "size": "4K" }}' ``` * [ Output ](#tab-panel-418) * [ Raw response ](#tab-panel-419) ![Detailed 4K](https://pub-04a6d208d361438ea01b797e6973bd19.r2.dev/catalog/bytedance__seedream-4.0/detailed-4k.jpeg) ``` { "gatewayMetadata": { "keySource": "Unified" }, "result": { "image": "https://ark-content-generation-v2-ap-southeast-1.tos-ap-southeast-1.volces.com/seedream-4-0/021776441662380e1f2c28e220bf76d8a56e2a46eaa08e982d37f_0.jpeg" }, "state": "Completed"} ``` ## Parameters * [ Input ](#tab-panel-422) * [ Output ](#tab-panel-423) prompt `string`required size `string`enum: 1K, 2K, 4K, custom aspect\_ratio `string`enum: match\_input\_image, 1:1, 4:3, 3:4, 16:9, 9:16, 3:2, 2:3, 21:9 width `integer`minimum: 1024maximum: 4096 height `integer`minimum: 1024maximum: 4096 enhance\_prompt `boolean` image `string`format: uri ## API Schemas (Raw) Input [ ](https://developers.cloudflare.com/ai/models/bytedance/seedream-4.0/schema-input.json "Open") [ ](https://developers.cloudflare.com/ai/models/bytedance/seedream-4.0/schema-input.json "Download") Output [ ](https://developers.cloudflare.com/ai/models/bytedance/seedream-4.0/schema-output.json "Open") [ ](https://developers.cloudflare.com/ai/models/bytedance/seedream-4.0/schema-output.json "Download") ```json {"@context":"https://schema.org","@type":"TechArticle","@id":"https://developers.cloudflare.com/ai/models/bytedance/seedream-4.0/#page","headline":"Seedream 4.0 (ByteDance) · Cloudflare AI docs · Cloudflare AI docs","description":"Seedream 4.0 is ByteDance's image creation model that combines text-to-image generation and image editing into a single architecture, offering fast, high-resolution output up to 4K.","url":"https://developers.cloudflare.com/ai/models/bytedance/seedream-4.0/","inLanguage":"en","image":"https://developers.cloudflare.com/dev-products-preview.png","publisher":{"@type":"Organization","name":"Cloudflare","url":"https://www.cloudflare.com/"},"isPartOf":{"@type":"WebSite","@id":"https://developers.cloudflare.com/#website","name":"Cloudflare Docs","url":"https://developers.cloudflare.com/"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/directory/","name":"Directory"}},{"@type":"ListItem","position":2,"item":{"@id":"/ai/","name":"AI"}},{"@type":"ListItem","position":3,"item":{"@id":"/ai/models/","name":"Models"}}]} ```