Muse Ember

by MetaReasoningClean

Running live in a sandboxed frame. Click inside it before using the keyboard.

How it went

Total time: 46.8 s
Cost: $0.014
Output tokens: 26,979
Spent thinking: 20,166 tokens
Speed: 605 tok/s
Console errors: 0

First token after: 2.2 s
First visible text after: 41.0 s
Prompt tokens: 540
Code size: 16.2 KB
Finish reason: stop
Served by: Meta
Model id: meta/muse-ember
Reasoning sent: model default
Max output: 943,718 tokens
Generated: Nov 12, 2026

What it was asked

The prompt

Create a standalone SVG illustration of a fox sitting on a hill, looking at the moon on a starry night, with a few subtle animations. Requirements: - Output a single valid .svg file (```svg code block) with a viewBox of 0 0 800 600. - Hand-written shapes and paths only: no embedded raster images, no external references, no JavaScript. - The fox must be clearly recognizable (pointy ears, snout, bushy tail with a white tip). - Include the moon with a soft glow, many stars, the hill and some background elements (trees, distant hills). - Use a coherent color palette and at least one gradient. - Animations (SMIL or CSS inside the SVG), all looping seamlessly: stars twinkling, the fox's tail swaying gently, and a shooting star crossing the sky every 4 seconds (the first one within 2 seconds).

System prompt, sent with every prompt

You are generating a self-contained web demo. It will be rendered automatically in a sandboxed iframe and compared side by side with the output of other AI models given the exact same task.

Output rules:
- Reply with exactly ONE fenced code block containing the complete file: ```html (or ```svg when the task asks for an SVG). No text before or after the code block.
- Everything must be inline: CSS in <style>, JavaScript in <script>. No external files, images, fonts or network requests, except the CDN URLs explicitly allowed by the task.
- Do not use localStorage, sessionStorage, cookies, IndexedDB, alert(), confirm(), prompt() or window.open(): they are blocked in the sandbox and will throw.
- The page must look right in a 1280×800 viewport and adapt gracefully down to 375px wide. No horizontal scrollbar.
- Something meaningful must be visible on first paint: a screenshot is taken automatically about 3 seconds after load, without any interaction.
- Everything that makes the demo interesting must be visible within the first seconds: nothing hidden behind a high score, a later level or a long play session.
- Games must start in a self-playing demo mode (a simple AI plays) behind a "Click or press a key to start" message, so the game can be judged in action without playing.
- The iframe only receives keyboard events after the user clicks it: if the demo uses the keyboard, display a clear "Click or press a key to start" message.
- The code must run with zero errors in the console of the latest Chrome.

Code run-1.svg · 196 lines

Download

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 600" width="800" height="600" role="img" aria-labelledby="svgTitle svgDesc">
<title id="svgTitle">Fox sitting on a hill under the moon</title>
<desc id="svgDesc">A stylized orange fox with pointy ears, a pointed snout and a bushy white-tipped tail sits on a hill, looking up at a glowing full moon in a starry night sky with pine trees, distant hills and a shooting star.</desc>
<defs>
  <linearGradient id="skyGrad" x1="0" y1="0" x2="0" y2="1">
    <stop offset="0" stop-color="#060b20"/>
    <stop offset="0.42" stop-color="#122046"/>
    <stop offset="0.72" stop-color="#243a66"/>
    <stop offset="1" stop-color="#3b5a83"/>
  </linearGradient>
  <radialGradient id="horizonGrad" cx="0.5" cy="0.5" r="0.5">
    <stop offset="0" stop-color="#6f93c4" stop-opacity="0.38"/>
    <stop offset="1" stop-color="#6f93c4" stop-opacity="0"/>
  </radialGradient>
  <radialGradient id="moonGlow" cx="0.5" cy="0.5" r="0.5">
    <stop offset="0" stop-color="#fff7c8" stop-opacity="0.95"/>
    <stop offset="0.35" stop-color="#ffedb0" stop-opacity="0.55"/>
    <stop offset="0.65" stop-color="#ffeaa0" stop-opacity="0.20"/>
    <stop offset="1" stop-color="#ffeaa0" stop-opacity="0"/>
  </radialGradient>
  <radialGradient id="moonGrad" cx="0.38" cy="0.36" r="0.75">
    <stop offset="0" stop-color="#fffdf0"/>
    <stop offset="0.65" stop-color="#f6ecca"/>
    <stop offset="1" stop-color="#e2cf96"/>
  </radialGradient>
  <linearGradient id="foxGrad" x1="0" y1="0" x2="0" y2="1">
    <stop offset="0" stop-color="#f79d4a"/>
    <stop offset="0.55" stop-color="#e67c2e"/>
    <stop offset="1" stop-color="#c75a17"/>
  </linearGradient>
  <linearGradient id="hillGrad" x1="0" y1="0" x2="0" y2="1">
    <stop offset="0" stop-color="#2b4f45"/>
    <stop offset="0.45" stop-color="#1a3632"/>
    <stop offset="1" stop-color="#0a1d1b"/>
  </linearGradient>
  <linearGradient id="hillBackGrad" x1="0" y1="0" x2="0" y2="1">
    <stop offset="0" stop-color="#24365e"/>
    <stop offset="1" stop-color="#131f38"/>
  </linearGradient>
  <linearGradient id="shootGrad" x1="1" y1="1" x2="0" y2="0">
    <stop offset="0" stop-color="#ffffff" stop-opacity="1"/>
    <stop offset="0.45" stop-color="#dff0ff" stop-opacity="0.75"/>
    <stop offset="1" stop-color="#ffffff" stop-opacity="0"/>
  </linearGradient>
  <radialGradient id="vignetteGrad" cx="0.5" cy="0.46" r="0.72">
    <stop offset="0.62" stop-color="#000010" stop-opacity="0"/>
    <stop offset="1" stop-color="#000010" stop-opacity="0.34"/>
  </radialGradient>
  <filter id="softBlur" x="-40%" y="-40%" width="180%" height="180%">
    <feGaussianBlur stdDeviation="7"/>
  </filter>
  <g id="pine">
    <rect x="-2.5" y="0" width="5" height="10" fill="#0a1726"/>
    <path d="M0 -72 L17 -40 L9 -40 L23 -14 L11 -14 L27 6 L-27 6 L-11 -14 L-23 -14 L-9 -40 L-17 -40 Z" fill="#0d2133"/>
  </g>
</defs>
<style>
  .tw{animation:twinkle 3s ease-in-out infinite;transform-box:fill-box;transform-origin:center;}
  .tw2{animation:twinkle 4.3s ease-in-out -1.1s infinite;transform-box:fill-box;transform-origin:center;}
  .tw3{animation:twinkle 5.2s ease-in-out -2.3s infinite;transform-box:fill-box;transform-origin:center;}
  .tw4{animation:twinkle 2.7s ease-in-out -0.6s infinite;transform-box:fill-box;transform-origin:center;}
  @keyframes twinkle{0%,100%{opacity:.30;transform:scale(.72);}50%{opacity:1;transform:scale(1.18);}}
  .tail{transform-box:view-box;transform-origin:398px 466px;animation:sway 4.6s ease-in-out infinite alternate;}
  @keyframes sway{from{transform:rotate(-4deg);}to{transform:rotate(5deg);}}
  .breath{transform-box:view-box;transform-origin:432px 496px;animation:breath 4.2s ease-in-out infinite alternate;}
  @keyframes breath{from{transform:scale(1,1);}to{transform:scale(1.015,1.022);}}
  .headBob{transform-box:view-box;transform-origin:438px 362px;animation:headBob 5.5s ease-in-out infinite alternate;}
  @keyframes headBob{from{transform:rotate(-1.6deg);}to{transform:rotate(1.8deg);}}
  .glowPulse{transform-box:view-box;transform-origin:625px 138px;animation:glowPulse 6s ease-in-out infinite alternate;}
  @keyframes glowPulse{from{opacity:.62;transform:scale(.97);}to{opacity:.92;transform:scale(1.045);}}
  .shooting{animation:shoot 4s linear 1.5s infinite;opacity:0;}
  @keyframes shoot{0%{transform:translate(0px,0px);opacity:0;}3%{opacity:1;}30%{opacity:1;}45%{transform:translate(495px,198px);opacity:0;}100%{transform:translate(495px,198px);opacity:0;}}
  .cloud1{animation:drift1 16s ease-in-out infinite alternate;}
  .cloud2{animation:drift2 22s ease-in-out infinite alternate;}
  @keyframes drift1{from{transform:translateX(-16px);}to{transform:translateX(20px);}}
  @keyframes drift2{from{transform:translateX(14px);}to{transform:translateX(-18px);}}
</style>

<rect width="800" height="600" fill="url(#skyGrad)"/>
<ellipse cx="400" cy="432" rx="500" ry="95" fill="url(#horizonGrad)"/>

<g fill="#fffbe8">
  <circle class="tw" cx="42" cy="54" r="2"/><circle class="tw2" cx="86" cy="112" r="1.6"/><circle class="tw3" cx="118" cy="38" r="1.4"/><circle class="tw4" cx="154" cy="84" r="1.9"/><circle class="tw" cx="188" cy="142" r="1.3"/><circle class="tw2" cx="198" cy="48" r="1.7"/><circle class="tw3" cx="232" cy="98" r="1.2"/><circle class="tw4" cx="252" cy="176" r="1.5"/><circle class="tw" cx="276" cy="64" r="1.8"/><circle class="tw2" cx="302" cy="122" r="1.2"/><circle class="tw3" cx="322" cy="212" r="1.4"/><circle class="tw4" cx="348" cy="46" r="1.5"/><circle class="tw" cx="372" cy="96" r="1.2"/><circle class="tw2" cx="398" cy="158" r="1.6"/><circle class="tw3" cx="408" cy="52" r="1.1"/><circle class="tw4" cx="432" cy="204" r="1.3"/><circle class="tw" cx="452" cy="96" r="1.7"/><circle class="tw2" cx="476" cy="36" r="1.3"/><circle class="tw3" cx="498" cy="142" r="1.4"/><circle class="tw4" cx="522" cy="72" r="1.2"/><circle class="tw" cx="548" cy="204" r="1.5"/><circle class="tw2" cx="566" cy="40" r="1.8"/><circle class="tw3" cx="584" cy="118" r="1.1"/><circle class="tw4" cx="618" cy="222" r="1.3"/><circle class="tw" cx="646" cy="62" r="1.6"/><circle class="tw2" cx="676" cy="158" r="1.2"/><circle class="tw3" cx="702" cy="38" r="1.9"/><circle class="tw4" cx="728" cy="104" r="1.4"/><circle class="tw" cx="754" cy="188" r="1.5"/><circle class="tw2" cx="776" cy="64" r="1.7"/><circle class="tw3" cx="64" cy="198" r="1.3"/><circle class="tw4" cx="128" cy="256" r="1.1"/><circle class="tw" cx="214" cy="262" r="1.2"/><circle class="tw2" cx="342" cy="268" r="1"/><circle class="tw3" cx="512" cy="258" r="1.1"/><circle class="tw4" cx="688" cy="268" r="1"/><circle class="tw" cx="34" cy="292" r="1.2"/><circle class="tw2" cx="102" cy="328" r="1"/><circle class="tw3" cx="742" cy="286" r="1.2"/><circle class="tw4" cx="612" cy="300" r="1"/>
</g>

<g fill="#fff3b8">
  <g transform="translate(158,128)"><path class="tw2" d="M0 -9 L2.2 -2.2 L9 0 L2.2 2.2 L0 9 L-2.2 2.2 L-9 0 L-2.2 -2.2 Z"/></g>
  <g transform="translate(312,152) scale(.7)"><path class="tw" d="M0 -9 L2.2 -2.2 L9 0 L2.2 2.2 L0 9 L-2.2 2.2 L-9 0 L-2.2 -2.2 Z"/></g>
  <g transform="translate(542,58) scale(.85)"><path class="tw3" d="M0 -9 L2.2 -2.2 L9 0 L2.2 2.2 L0 9 L-2.2 2.2 L-9 0 L-2.2 -2.2 Z"/></g>
  <g transform="translate(704,182) scale(1.05)"><path class="tw4" d="M0 -9 L2.2 -2.2 L9 0 L2.2 2.2 L0 9 L-2.2 2.2 L-9 0 L-2.2 -2.2 Z"/></g>
  <g transform="translate(416,100) scale(.6)"><path class="tw" d="M0 -9 L2.2 -2.2 L9 0 L2.2 2.2 L0 9 L-2.2 2.2 L-9 0 L-2.2 -2.2 Z"/></g>
  <g transform="translate(110,234) scale(.75)"><path class="tw2" d="M0 -9 L2.2 -2.2 L9 0 L2.2 2.2 L0 9 L-2.2 2.2 L-9 0 L-2.2 -2.2 Z"/></g>
  <g transform="translate(240,88) scale(.55)"><path class="tw4" d="M0 -9 L2.2 -2.2 L9 0 L2.2 2.2 L0 9 L-2.2 2.2 L-9 0 L-2.2 -2.2 Z"/></g>
  <g transform="translate(650,268) scale(.6)"><path class="tw" d="M0 -9 L2.2 -2.2 L9 0 L2.2 2.2 L0 9 L-2.2 2.2 L-9 0 L-2.2 -2.2 Z"/></g>
</g>

<g class="shooting"><g transform="translate(130,68)"><path d="M0 0 L-82 -33" stroke="url(#shootGrad)" stroke-width="3.5" stroke-linecap="round" fill="none"/><circle r="9" fill="#ffffff" opacity="0.25"/><circle r="3.5" fill="#ffffff"/></g></g>

<g class="cloud1" opacity="0.18" filter="url(#softBlur)" fill="#dbeafe"><ellipse cx="520" cy="108" rx="78" ry="16"/><ellipse cx="565" cy="98" rx="46" ry="12"/></g>
<g class="cloud2" opacity="0.13" filter="url(#softBlur)" fill="#dbeafe"><ellipse cx="210" cy="150" rx="90" ry="14"/><ellipse cx="250" cy="140" rx="50" ry="10"/></g>

<g>
  <circle class="glowPulse" cx="625" cy="138" r="115" fill="url(#moonGlow)"/>
  <circle class="glowPulse" cx="625" cy="138" r="78" fill="url(#moonGlow)"/>
  <circle cx="625" cy="138" r="54" fill="url(#moonGrad)" stroke="#dccb90" stroke-width="1"/>
  <circle cx="605" cy="120" r="10" fill="#b8a67a" opacity="0.14"/>
  <circle cx="640" cy="150" r="14" fill="#b8a67a" opacity="0.11"/>
  <circle cx="620" cy="165" r="7" fill="#b8a67a" opacity="0.12"/>
  <circle cx="645" cy="115" r="6" fill="#b8a67a" opacity="0.13"/>
</g>

<path d="M0 398 C90 358 185 352 285 370 C385 387 470 348 580 352 C680 356 750 342 800 358 L800 600 L0 600 Z" fill="url(#hillBackGrad)"/>
<path d="M0 430 C120 395 260 402 380 418 C500 434 620 398 800 420 L800 600 L0 600 Z" fill="#16253f"/>

<use href="#pine" transform="translate(62,406) scale(.9)"/>
<use href="#pine" transform="translate(118,412) scale(.65)"/>
<use href="#pine" transform="translate(208,404) scale(.75)"/>
<use href="#pine" transform="translate(340,410) scale(.5)"/>
<use href="#pine" transform="translate(486,402) scale(.45)"/>
<use href="#pine" transform="translate(652,407) scale(.55)"/>
<use href="#pine" transform="translate(708,397) scale(.85)"/>
<use href="#pine" transform="translate(758,410) scale(.6)"/>

<path d="M0 468 C120 445 260 460 380 485 C420 494 462 496 502 489 C622 470 720 456 800 470 L800 600 L0 600 Z" fill="url(#hillGrad)"/>
<path d="M0 520 C200 500 400 530 800 505 L800 600 L0 600 Z" fill="#071613" opacity="0.28"/>
<path d="M6 469 C120 447 258 462 378 487 C420 496 462 498 500 491 C620 472 718 458 794 472" fill="none" stroke="#4a7a68" stroke-width="3" stroke-linecap="round" opacity="0.55"/>

<use href="#pine" transform="translate(30,494) scale(1.95)"/>
<use href="#pine" transform="translate(780,500) scale(1.7)"/>
<use href="#pine" transform="translate(118,484) scale(.75)"/>
<use href="#pine" transform="translate(688,482) scale(.65)"/>

<ellipse cx="160" cy="480" rx="36" ry="12" fill="#122e2a"/>
<ellipse cx="620" cy="488" rx="42" ry="13" fill="#122e2a"/>
<ellipse cx="260" cy="512" rx="30" ry="10" fill="#0f2926"/>

<g fill="none" stroke="#3f725e" stroke-width="3" stroke-linecap="round">
  <path d="M150 492 L144 476 M150 492 L151 474 M150 492 L158 478"/>
  <path d="M278 518 L272 504 M278 518 L280 502 M278 518 L286 506"/>
  <path d="M566 502 L560 488 M566 502 L568 486 M566 502 L574 490"/>
  <path d="M648 494 L642 480 M648 494 L650 478 M648 494 L656 482"/>
  <path d="M96 510 L90 496 M96 510 L98 494 M96 510 L104 498"/>
  <path d="M724 512 L718 498 M724 512 L726 496 M724 512 L732 500"/>
</g>
<g fill="#f7e7a0" opacity="0.85"><circle cx="190" cy="500" r="2.2"/><circle cx="196" cy="506" r="1.6"/><circle cx="540" cy="512" r="2"/><circle cx="600" cy="500" r="1.6"/><circle cx="330" cy="530" r="1.8"/></g>

<ellipse cx="430" cy="500" rx="110" ry="12" fill="#ffe9a8" opacity="0.10" filter="url(#softBlur)"/>
<ellipse cx="395" cy="508" rx="165" ry="17" fill="#03100d" opacity="0.38" filter="url(#softBlur)"/>

<g id="fox">
  <g class="tail">
    <path d="M402 458 C365 432 300 428 268 456 C242 480 250 515 282 530 C318 546 372 532 400 503 C414 488 414 470 402 458 Z" fill="url(#foxGrad)" stroke="#8a3c13" stroke-width="2.4" stroke-linejoin="round"/>
    <path d="M268 456 C242 480 250 515 282 530 C272 508 272 482 284 462 C280 454 273 452 268 456 Z" fill="#fff3d6" stroke="#8a3c13" stroke-width="2" stroke-linejoin="round"/>
    <path d="M310 470 C330 460 355 462 372 475" fill="none" stroke="#b94f16" stroke-width="2.5" stroke-linecap="round" opacity="0.55"/>
    <path d="M295 495 C318 508 348 508 368 497" fill="none" stroke="#b94f16" stroke-width="2.5" stroke-linecap="round" opacity="0.4"/>
  </g>

  <g class="breath">
    <path d="M404 376 C388 400 380 434 386 462 C391 484 406 496 432 499 L478 499 C494 492 501 472 497 446 C493 414 482 388 462 370 C440 354 416 358 404 376 Z" fill="url(#foxGrad)" stroke="#8a3c13" stroke-width="2.4" stroke-linejoin="round"/>
    <path d="M404 376 C388 400 380 434 386 462 C391 484 406 496 432 499 L452 499 C430 470 424 420 432 376 C420 372 410 372 404 376 Z" fill="#b94f16" opacity="0.28"/>
    <path d="M392 476 C378 448 386 418 410 405 C434 393 460 402 469 428 C477 454 466 480 442 489 C420 496 400 491 392 476 Z" fill="#d96a1f" stroke="#8a3c13" stroke-width="2.2" stroke-linejoin="round"/>
    <path d="M410 492 C425 485 448 486 458 494 C462 500 453 505 438 505 L418 505 C408 501 406 496 410 492 Z" fill="#b94f16" stroke="#8a3c13" stroke-width="2" stroke-linejoin="round"/>
    <path d="M438 368 C454 380 463 406 461 440 C459 466 452 488 440 499 L418 499 C408 472 412 430 424 398 C429 384 433 373 438 368 Z" fill="#fff3d6" stroke="#c98a4a" stroke-width="1.6" stroke-linejoin="round"/>
    <path d="M455 435 C452 458 453 478 457 494 L473 494 C475 472 473 452 467 435 Z" fill="#e67c2e" stroke="#8a3c13" stroke-width="2" stroke-linejoin="round"/>
    <path d="M475 435 C474 458 475 478 479 494 L495 494 C496 470 493 450 486 435 Z" fill="#d96a1f" stroke="#8a3c13" stroke-width="2" stroke-linejoin="round"/>
    <ellipse cx="465" cy="496" rx="15" ry="7" fill="#5c2410"/>
    <ellipse cx="487" cy="496" rx="15" ry="7" fill="#4a1c0c"/>
    <path d="M458 493 L458 498 M465 494 L465 499 M472 493 L472 498 M480 493 L480 498 M487 494 L487 499 M494 493 L494 498" stroke="#2b1206" stroke-width="1.4" stroke-linecap="round"/>
    <path d="M400 386 C388 412 387 446 396 472" fill="none" stroke="#ffd98a" stroke-width="3" stroke-linecap="round" opacity="0.5"/>

    <g class="headBob">
      <path d="M425 367 L410 386 L430 388 L418 404 L442 398 L438 414 L458 392 C450 378 438 368 425 367 Z" fill="#fff3d6" stroke="#c98a4a" stroke-width="1.5" stroke-linejoin="round"/>
      <path d="M424 296 L430 240 L458 282 C447 294 434 300 424 296 Z" fill="#b94f16" stroke="#8a3c13" stroke-width="2.2" stroke-linejoin="round"/>
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      <path d="M474 234 L496 286" stroke="#ffcf87" stroke-width="2.5" stroke-linecap="round" opacity="0.7" fill="none"/>
      <path d="M413 298 C418 272 438 256 463 258 C487 260 500 277 498 298 C511 308 523 322 525 337 C517 354 497 361 477 356 C466 374 441 381 425 367 C411 354 407 324 413 298 Z" fill="url(#foxGrad)" stroke="#8a3c13" stroke-width="2.4" stroke-linejoin="round"/>
      <path d="M438 268 C455 262 475 265 486 276 C470 272 452 272 438 268 Z" fill="#b94f16" opacity="0.35"/>
      <path d="M477 356 C497 361 517 354 525 337 C522 352 508 365 490 367 C477 368 470 363 477 356 Z" fill="#fff3d6" stroke="#c98a4a" stroke-width="1.5" stroke-linejoin="round"/>
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      <path d="M467 311 C473 303 485 303 491 311 C485 317 473 317 467 311 Z" fill="#2b1508"/>
      <circle cx="483" cy="308" r="2.6" fill="#ffffff"/>
      <path d="M465 304 C472 298 485 298 492 304" fill="none" stroke="#8a3c13" stroke-width="2" stroke-linecap="round"/>
      <ellipse cx="521" cy="336" rx="8" ry="6" fill="#170c06" transform="rotate(18 521 336)"/>
      <circle cx="518" cy="333" r="2" fill="#ffffff" opacity="0.85"/>
      <path d="M519 343 C515 351 506 356 497 357" fill="none" stroke="#5c2410" stroke-width="2" stroke-linecap="round"/>
      <path d="M505 345 L528 342 M505 350 L526 352" stroke="#fff3d6" stroke-width="1.2" stroke-linecap="round" opacity="0.65" fill="none"/>
      <path d="M463 258 C487 260 500 277 498 298" fill="none" stroke="#ffd98a" stroke-width="2.5" stroke-linecap="round" opacity="0.55"/>
    </g>
  </g>
</g>

<rect width="800" height="600" fill="url(#vignetteGrad)"/>
</svg>

Reasoning trace (20,166 tokens)

Generating a self-contained SVG with viewBox, gradients, and SMIL animations for stars, tail sway, and a looping shooting star.Refining fox anatomy and tail animation coordinates for the sitting profile.Defining SVG path groups and CSS keyframes for tail rotation and layered fox silhouette.Choosing SMIL for the shooting star path versus CSS for tail and stars while adding hills, trees, and subtle breathing and glow effects.Extending the SVG layout with gradients, filters, and keyframe animations for stars, tail sway, and breathing effects.Adding tail and body path definitions with fill colors and positioning for the fox silhouette.Adding leg and paw paths with darker fills and outlines, then defining ear and head shapes with inner details.Extending layering order and SVG transforms for ears, shadows, stars, and shooting-star animation.Refining hill geometry and gradient definitions to align the fox with the ground plane.Defining foreground hill path coordinates and star positions to ground the fox and balance the silhouette.