--- title: Seedream 4.5 description: Seedream 4.5 builds on 4.0 with multi-reference image support, batch generation, and sequential image generation. 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 4.5 Text-to-Image • ByteDance `bytedance/seedream-4.5` Seedream 4.5 builds on 4.0 with multi-reference image support, batch generation, and sequential image generation. | Model Info | | | ---------------- | ------------------------------------------------------------------------------------------------------------------------ | | More information | [link ↗](https://seed.bytedance.com/en/seedream4%5F5) | | Pricing | [View pricing in the Cloudflare dashboard ↗](https://dash.cloudflare.com/?to=/:account/ai/models/bytedance/seedream-4.5) | ## Usage * [ TypeScript ](#tab-panel-424) * [ cURL ](#tab-panel-425) TypeScript ``` const response = await env.AI.run( 'bytedance/seedream-4.5', { prompt: 'A cozy reading nook with floor-to-ceiling bookshelves and a comfortable armchair' },)console.log(response) ``` Terminal window ``` curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \ --header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \ --header "Content-Type: application/json" \ --data '{ "model": "bytedance/seedream-4.5", "input": { "prompt": "A cozy reading nook with floor-to-ceiling bookshelves and a comfortable armchair" }}' ``` * [ Output ](#tab-panel-426) * [ Raw response ](#tab-panel-427) ![Simple Generation](https://pub-04a6d208d361438ea01b797e6973bd19.r2.dev/catalog/bytedance__seedream-4.5/simple-generation-0.jpeg) ``` { "gatewayMetadata": { "keySource": "Unified" }, "result": { "images": [ "https://ark-content-generation-v2-ap-southeast-1.tos-ap-southeast-1.volces.com/seedream-4-5/0217764052077481386b9a8ed856c57501cfa946ce34c9865285c_0.jpeg" ] }, "state": "Completed"} ``` ## Examples **High Resolution** — 4K quality image generation * [ TypeScript ](#tab-panel-430) * [ cURL ](#tab-panel-431) TypeScript ``` const response = await env.AI.run( 'bytedance/seedream-4.5', { prompt: 'A hyperrealistic still life painting of fresh fruit on an antique wooden table with dramatic chiaroscuro lighting', aspect_ratio: '4:3', size: '4K', },)console.log(response) ``` Terminal window ``` curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \ --header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \ --header "Content-Type: application/json" \ --data '{ "model": "bytedance/seedream-4.5", "input": { "prompt": "A hyperrealistic still life painting of fresh fruit on an antique wooden table with dramatic chiaroscuro lighting", "aspect_ratio": "4:3", "size": "4K" }}' ``` * [ Output ](#tab-panel-428) * [ Raw response ](#tab-panel-429) ![High Resolution](https://pub-04a6d208d361438ea01b797e6973bd19.r2.dev/catalog/bytedance__seedream-4.5/high-resolution-0.jpeg) ``` { "gatewayMetadata": { "keySource": "Unified" }, "result": { "images": [ "https://ark-content-generation-v2-ap-southeast-1.tos-ap-southeast-1.volces.com/seedream-4-5/0217764052077581386b9a8ed856c57501cfa946ce34c985dabe3_0.jpeg" ] }, "state": "Completed"} ``` **Image-to-Image** — Edit using reference images * [ TypeScript ](#tab-panel-434) * [ cURL ](#tab-panel-435) TypeScript ``` const response = await env.AI.run( 'bytedance/seedream-4.5', { prompt: 'Transform this scene into a winter wonderland with snow covering everything', aspect_ratio: 'match_input_image', image_input: [ 'https://replicate.delivery/xezq/0lxxNQSg3NabCZrDiQVAPGVmjP1Q2dd7TgYCOTfI9LpyZaMLA/tmp89gopylq.jpg', ], },)console.log(response) ``` Terminal window ``` curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \ --header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \ --header "Content-Type: application/json" \ --data '{ "model": "bytedance/seedream-4.5", "input": { "prompt": "Transform this scene into a winter wonderland with snow covering everything", "aspect_ratio": "match_input_image", "image_input": [ "https://replicate.delivery/xezq/0lxxNQSg3NabCZrDiQVAPGVmjP1Q2dd7TgYCOTfI9LpyZaMLA/tmp89gopylq.jpg" ] }}' ``` * [ Output ](#tab-panel-432) * [ Raw response ](#tab-panel-433) ![Image-to-Image](https://pub-04a6d208d361438ea01b797e6973bd19.r2.dev/catalog/bytedance__seedream-4.5/image-to-image-0.jpeg) ``` { "gatewayMetadata": { "keySource": "Unified" }, "result": { "images": [ "https://ark-content-generation-v2-ap-southeast-1.tos-ap-southeast-1.volces.com/seedream-4-5/0217764052176861386b9a8ed856c57501cfa946ce34c98846458_0.jpeg" ] }, "state": "Completed"} ``` **Sequential Generation** — Generate multiple related images * [ TypeScript ](#tab-panel-438) * [ cURL ](#tab-panel-439) TypeScript ``` const response = await env.AI.run( 'bytedance/seedream-4.5', { prompt: 'A character design sheet for a fantasy warrior: front view, side view, and back view', aspect_ratio: '16:9', max_images: 3, sequential_image_generation: 'auto', },)console.log(response) ``` Terminal window ``` curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \ --header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \ --header "Content-Type: application/json" \ --data '{ "model": "bytedance/seedream-4.5", "input": { "prompt": "A character design sheet for a fantasy warrior: front view, side view, and back view", "aspect_ratio": "16:9", "max_images": 3, "sequential_image_generation": "auto" }}' ``` * [ Output ](#tab-panel-436) * [ Raw response ](#tab-panel-437) ![Sequential Generation](https://pub-04a6d208d361438ea01b797e6973bd19.r2.dev/catalog/bytedance__seedream-4.5/sequential-generation-0.jpeg) ``` { "gatewayMetadata": { "keySource": "Unified" }, "result": { "images": [ "https://ark-content-generation-v2-ap-southeast-1.tos-ap-southeast-1.volces.com/seedream-4-5/0217764052291261386b9a8ed856c57501cfa946ce34c98481db1_0.jpeg" ] }, "state": "Completed"} ``` **Multi-Image Edit** — Combine multiple reference images * [ TypeScript ](#tab-panel-442) * [ cURL ](#tab-panel-443) TypeScript ``` const response = await env.AI.run( 'bytedance/seedream-4.5', { prompt: 'Combine the style of the first image with the subject from the second image', image_input: [ 'https://replicate.delivery/xezq/TRYcLgNMrBpPJVq09ICKXWe4Z8d6olzpK5vtQPOB8O23ZaMLA/tmpaecga26m.jpg', 'https://replicate.delivery/xezq/1SbAc0aXYXbVD9doyrdCW78hYufVefMsaJXBrETN7Lu2npxsA/tmphvkx7emy.jpg', ], size: '2K', },)console.log(response) ``` Terminal window ``` curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \ --header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \ --header "Content-Type: application/json" \ --data '{ "model": "bytedance/seedream-4.5", "input": { "prompt": "Combine the style of the first image with the subject from the second image", "image_input": [ "https://replicate.delivery/xezq/TRYcLgNMrBpPJVq09ICKXWe4Z8d6olzpK5vtQPOB8O23ZaMLA/tmpaecga26m.jpg", "https://replicate.delivery/xezq/1SbAc0aXYXbVD9doyrdCW78hYufVefMsaJXBrETN7Lu2npxsA/tmphvkx7emy.jpg" ], "size": "2K" }}' ``` * [ Output ](#tab-panel-440) * [ Raw response ](#tab-panel-441) ![Multi-Image Edit](https://pub-04a6d208d361438ea01b797e6973bd19.r2.dev/catalog/bytedance__seedream-4.5/multi-image-edit-0.jpeg) ``` { "gatewayMetadata": { "keySource": "Unified" }, "result": { "images": [ "https://ark-content-generation-v2-ap-southeast-1.tos-ap-southeast-1.volces.com/seedream-4-5/0217764052323791386b9a8ed856c57501cfa946ce34c98b2f132_0.jpeg" ] }, "state": "Completed"} ``` ## Parameters * [ Input ](#tab-panel-444) * [ Output ](#tab-panel-445) prompt `string`required ▶image\_input\[\] `array`format: uri size `string`enum: 2K, 4K aspect\_ratio `string`enum: match\_input\_image, 1:1, 4:3, 3:4, 16:9, 9:16, 3:2, 2:3, 21:9 sequential\_image\_generation `string`enum: disabled, auto max\_images `integer`minimum: 1maximum: 15 disable\_safety\_checker `boolean` ▶images\[\] `array`minItems: 1format: uri ## API Schemas (Raw) Input [ ](https://developers.cloudflare.com/ai/models/bytedance/seedream-4.5/schema-input.json "Open") [ ](https://developers.cloudflare.com/ai/models/bytedance/seedream-4.5/schema-input.json "Download") Output [ ](https://developers.cloudflare.com/ai/models/bytedance/seedream-4.5/schema-output.json "Open") [ ](https://developers.cloudflare.com/ai/models/bytedance/seedream-4.5/schema-output.json "Download") ```json {"@context":"https://schema.org","@type":"TechArticle","@id":"https://developers.cloudflare.com/ai/models/bytedance/seedream-4.5/#page","headline":"Seedream 4.5 (ByteDance) · Cloudflare AI docs · Cloudflare AI docs","description":"Seedream 4.5 builds on 4.0 with multi-reference image support, batch generation, and sequential image generation.","url":"https://developers.cloudflare.com/ai/models/bytedance/seedream-4.5/","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"}}]} ```