wavespeed/seedream4
8
1<!doctype html>2<html lang="en">3<head>4 <meta charset="utf-8" />5 <meta name="viewport" content="width=device-width, initial-scale=1" />6 <title>Seedream 4.0 — ByteDance image generation and editing</title>7 <meta name="description" content="Reference for ByteDance's Seedream 4.0 image model: generation and editing endpoints, high-resolution output, and hosted API usage." />8 <link rel="canonical" href="https://wavespeed.ai/models/bytedance/seedream-v4?utm_source=huggingface&utm_medium=space&utm_campaign=seedream4" />9 10 <meta property="og:type" content="website" />11 <meta property="og:title" content="Seedream 4.0 — ByteDance image generation and editing" />12 <meta property="og:description" content="Reference for ByteDance's Seedream 4.0 image model: generation and editing endpoints, high-resolution output, and hosted API usage." />13 <meta property="og:url" content="https://wavespeed.ai/models/bytedance/seedream-v4" />14 <meta name="twitter:card" content="summary_large_image" />15 16 <link rel="stylesheet" href="style.css" />17</head>18<body>19 <header class="site-header">20 <div class="wrap">21 <a class="brand" href="https://wavespeed.ai?utm_source=huggingface&utm_medium=space&utm_campaign=seedream4" target="_blank" rel="noopener">22 <span class="brand-mark" aria-hidden="true"></span>23 <span>WaveSpeed AI</span>24 </a>25 <nav class="header-nav">26 <a class="jump opt" href="#capabilities">Capabilities</a>27 <a class="jump opt" href="#endpoints">Endpoints</a>28 <a class="jump" href="#run">Run it</a>29 <a class="jump" href="#resources">Resources</a>30 <a href="https://wavespeed.ai/models/bytedance/seedream-v4?utm_source=huggingface&utm_medium=space&utm_campaign=seedream4" target="_blank" rel="noopener">wavespeed.ai ↗</a>31 </nav>32 </div>33 </header>34 35 <main class="wrap">36 <div class="hero">37 <p class="eyebrow">ByteDance</p>38 <h1>Seedream 4.0</h1>39 <p class="lede">ByteDance's image generation and editing model. One model covers both text-to-image and instruction-based editing, with output up to 4K. Available as a hosted endpoint; weights are not publicly released.</p>40 <ul class="meta">41 <li><b>Developer</b> ByteDance</li>42 <li><b>Task</b> text-to-image · image editing</li>43 <li><b>Max output</b> 4K</li>44 <li><b>Weights</b> not public</li>45 </ul>46 </div>47 48 <section id="capabilities">49 <h2>Capabilities</h2>50 <p class="section-note">Characteristics reported by ByteDance. Treat them as vendor claims rather than independent measurements.</p>51 <div class="grid">52 <div class="card">53 <h3>Generation and editing in one model</h3>54 <p>The same checkpoint handles text-to-image and instruction-driven editing, so a generate-then-refine loop stays within one model.</p>55 </div>56 <div class="card">57 <h3>High-resolution output</h3>58 <p>Native output up to 4K without a separate upscaling pass.</p>59 </div>60 <div class="card">61 <h3>Reference-guided consistency</h3>62 <p>Accepts reference images to keep a subject or style stable across a set of generations — the basis for batch and series work.</p>63 </div>64 <div class="card">65 <h3>Text rendering</h3>66 <p>Handles typography inside the image, including Chinese, which most image models still degrade to unreadable glyphs.</p>67 </div>68 </div>69 </section>70 <section id="endpoints">71 <h2>Endpoints</h2>72 <div class="table-scroll">73 <table>74 <thead><tr><th>Endpoint</th><th>Task</th></tr></thead>75 <tbody>76 <tr><td><code>bytedance/seedream-v4</code></td><td>Text-to-image</td></tr>77 <tr><td><code>bytedance/seedream-v4/edit</code></td><td>Instruction-based editing</td></tr>78 <tr><td><code>bytedance/seedream-v4.5</code></td><td>Updated 4.5 checkpoint</td></tr>79 </tbody>80 </table>81 </div>82 </section>83 <section id="run">84 <h2>Run it</h2>85 <p class="section-note">Use <code>bytedance/seedream-v4/edit</code> with an additional <code>images</code> array to edit rather than generate.</p>86 <div class="code">87 <div class="code-tabs" role="tablist">88 <button type="button" role="tab" aria-selected="true" data-panel="run-0">cURL</button>89 <button type="button" role="tab" aria-selected="false" data-panel="run-1">Python</button>90 <button type="button" role="tab" aria-selected="false" data-panel="run-2">JavaScript</button>91 </div>92 <pre id="run-0" role="tabpanel"><code># 1. submit the job93curl -X POST "https://api.wavespeed.ai/api/v3/bytedance/seedream-v4" \94 -H "Authorization: Bearer $WAVESPEED_API_KEY" \95 -H "Content-Type: application/json" \96 -d '{97 "prompt": "An architectural photograph of a concrete stairwell, hard afternoon light, 35mm",98 "size": "2048*2048",99 "enable_base64_output": false,100 "enable_sync_mode": false101 }'102 103# -> {"code": 200, "data": {"id": "<request-id>", "status": "created", ...}}104 105# 2. poll until status is "completed"106curl "https://api.wavespeed.ai/api/v3/predictions/<request-id>/result" \107 -H "Authorization: Bearer $WAVESPEED_API_KEY"108 109# -> {"code": 200, "data": {"status": "completed", "outputs": ["https://..."]}}</code></pre>110 <pre id="run-1" role="tabpanel" hidden><code>import os, time, requests111 112API = "https://api.wavespeed.ai/api/v3"113KEY = os.environ["WAVESPEED_API_KEY"]114HEADERS = {"Authorization": f"Bearer {KEY}"}115 116# submit117res = requests.post(118 f"{API}/bytedance/seedream-v4",119 headers={**HEADERS, "Content-Type": "application/json"},120 json={121 "prompt": "An architectural photograph of a concrete stairwell, hard afternoon light, 35mm",122 "size": "2048*2048",123 "enable_base64_output": false,124 "enable_sync_mode": false125 },126 timeout=30,127)128res.raise_for_status()129request_id = res.json()["data"]["id"]130 131# poll132while True:133 data = requests.get(134 f"{API}/predictions/{request_id}/result",135 headers=HEADERS,136 timeout=30,137 ).json()["data"]138 139 if data["status"] == "completed":140 print(data["outputs"][0])141 break142 if data["status"] == "failed":143 raise RuntimeError(data.get("error", "generation failed"))144 time.sleep(1.5)</code></pre>145 <pre id="run-2" role="tabpanel" hidden><code>const API = "https://api.wavespeed.ai/api/v3";146const KEY = process.env.WAVESPEED_API_KEY;147const headers = { Authorization: `Bearer ${KEY}` };148 149// submit150const submit = await fetch(`${API}/bytedance/seedream-v4`, {151 method: "POST",152 headers: { ...headers, "Content-Type": "application/json" },153 body: JSON.stringify({154 "prompt": "An architectural photograph of a concrete stairwell, hard afternoon light, 35mm",155 "size": "2048*2048",156 "enable_base64_output": false,157 "enable_sync_mode": false158 }),159});160const { data: { id } } = await submit.json();161 162// poll163for (;;) {164 const res = await fetch(`${API}/predictions/${id}/result`, { headers });165 const { data } = await res.json();166 167 if (data.status === "completed") {168 console.log(data.outputs[0]);169 break;170 }171 if (data.status === "failed") throw new Error(data.error ?? "generation failed");172 await new Promise((r) => setTimeout(r, 1500));173}</code></pre>174 </div>175 <div class="callout"><p>Requests are asynchronous: <code>POST</code> returns a request id, then you poll <code>/predictions/<id>/result</code> until <code>status</code> is <code>completed</code>. Set <code>enable_sync_mode: true</code> to have the call block and return outputs directly.</p><p>API keys are created in the <a href="https://wavespeed.ai/dashboard?utm_source=huggingface&utm_medium=space&utm_campaign=seedream4" target="_blank" rel="noopener">WaveSpeed dashboard</a>.</p></div>176 <div class="btn-row">177 <a class="btn" href="https://wavespeed.ai/models/bytedance/seedream-v4?utm_source=huggingface&utm_medium=space&utm_campaign=seedream4" target="_blank" rel="noopener">Open on WaveSpeed</a>178 <a class="btn secondary" href="https://wavespeed.ai/docs?utm_source=huggingface&utm_medium=space&utm_campaign=seedream4" target="_blank" rel="noopener">API reference</a>179 </div>180 </section>181 <section id="resources">182 <h2>Resources</h2>183 <ul class="links">184 <li><a href="https://wavespeed.ai/models/bytedance/seedream-v4?utm_source=huggingface&utm_medium=space&utm_campaign=seedream4" target="_blank" rel="noopener"><span>Seedream 4.0 endpoint</span><span class="host">wavespeed.ai</span></a></li>185 <li><a href="https://wavespeed.ai/models/bytedance/seedream-v4/edit?utm_source=huggingface&utm_medium=space&utm_campaign=seedream4" target="_blank" rel="noopener"><span>Editing endpoint</span><span class="host">wavespeed.ai</span></a></li>186 <li><a href="https://wavespeed.ai/models/bytedance/seedream-v4.5?utm_source=huggingface&utm_medium=space&utm_campaign=seedream4" target="_blank" rel="noopener"><span>Seedream 4.5</span><span class="host">wavespeed.ai</span></a></li>187 <li><a href="https://wavespeed.ai/collections/bytedance?utm_source=huggingface&utm_medium=space&utm_campaign=seedream4" target="_blank" rel="noopener"><span>ByteDance collection</span><span class="host">wavespeed.ai</span></a></li>188 </ul>189 </section>190 </main>191 192 <footer class="site-footer">193 <div class="wrap">194 <p>This page is a model reference maintained by WaveSpeed AI. The model itself is developed and released by its respective authors; trademarks belong to them. WaveSpeed AI provides hosted inference for it.</p>195 <div class="footer-links">196 <a href="https://wavespeed.ai?utm_source=huggingface&utm_medium=space&utm_campaign=seedream4" target="_blank" rel="noopener">WaveSpeed AI</a>197 <a href="https://wavespeed.ai/docs?utm_source=huggingface&utm_medium=space&utm_campaign=seedream4" target="_blank" rel="noopener">Docs</a>198 <a href="https://huggingface.co/wavespeed" target="_blank" rel="noopener">Hugging Face</a>199 </div>200 </div>201 </footer>202 203 <script src="tabs.js"></script>204</body>205</html>206