Mercury 3Inception

Run details

Model

inception/mercury-3

Route

OpenRouter API, one user message

Reasoning

provider default, 80,727 reasoning tokens

Limits

60 min · 131,072 output tokens

Date

21 Oct 2026

Time

3 min 38 s

Size

4.5 kB

Tokens

45 in, 82,522 out

List price

$0.029 ($0.1 in / $0.35 out per M)

Paid

$0.029

Raw files: output · meta.json

Exact prompt

Design a logo for Night Heron, an independent bookshop that only opens after dark.

It must be one standalone SVG file with no scripts, external fonts or linked images. Reply with the file in a single ```svg code block.

<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 500 500" width="100%" height="100%" role="img" aria-label="Night Heron bookshop logo">
  <defs>
    <path id="topArc" d="M 94.9 306.4 A 165 165 0 1 1 405.1 306.4" />
    <path id="bottomArc" d="M 68.1 355 A 210 210 0 0 0 431.9 355" />
    <mask id="moonMask">
      <rect width="500" height="500" fill="white" />
      <circle cx="258" cy="29" r="12" fill="black" />
    </mask>
    <g id="star">
      <path d="M 0 -8 Q 1.5 -1.5 8 0 Q 1.5 1.5 0 8 Q -1.5 1.5 -8 0 Q -1.5 -1.5 0 -8 Z" fill="#C9A24B" />
    </g>
    <g id="diamond">
      <path d="M 0 -8 L 7 0 L 0 8 L -7 0 Z" fill="#C9A24B" />
    </g>
  </defs>

  <!-- Badge background -->
  <circle cx="250" cy="250" r="240" fill="#0d1b2a" />

  <!-- Decorative ring -->
  <circle cx="250" cy="250" r="235" fill="none" stroke="#C9A24B" stroke-width="1.5" opacity="0.85" />

  <!-- Shadow under the book -->
  <ellipse cx="250" cy="391" rx="105" ry="8" fill="#07101c" />

  <!-- Crescent moon -->
  <circle cx="250" cy="36" r="16" fill="#F2EADB" mask="url(#moonMask)" />

  <!-- Stars -->
  <use href="#star" xlink:href="#star" transform="translate(70,120) scale(0.7)" />
  <use href="#star" xlink:href="#star" transform="translate(430,120) scale(0.7)" />
  <use href="#star" xlink:href="#star" transform="translate(94,405) scale(0.75)" />
  <use href="#star" xlink:href="#star" transform="translate(406,405) scale(0.9)" />
  <use href="#star" xlink:href="#star" transform="translate(151,65) scale(0.6)" />
  <use href="#star" xlink:href="#star" transform="translate(436,325) scale(0.7)" />
  <use href="#star" xlink:href="#star" transform="translate(320,465) scale(0.75)" />
  <use href="#star" xlink:href="#star" transform="translate(250,120) scale(0.55)" />

  <!-- Open book -->
  <path d="M 250 340 Q 196 326, 152 322 L 152 372 Q 196 386, 250 390 Q 304 386, 348 372 L 348 322 Q 304 326, 250 340 Z" fill="#CFC0A6" />
  <path d="M 152 322 L 152 372 Q 196 386, 250 390 Q 304 386, 348 372 L 348 322" fill="none" stroke="#C9A24B" stroke-width="3.5" stroke-linejoin="round" />
  <line x1="250" y1="340" x2="250" y2="390" stroke="#C9A24B" stroke-width="2" opacity="0.7" />
  <path d="M 168 342 Q 205 334, 246 344" stroke="#0d1b2a" stroke-width="2.5" fill="none" opacity="0.4" />
  <path d="M 168 354 Q 205 346, 246 356" stroke="#0d1b2a" stroke-width="2.5" fill="none" opacity="0.4" />
  <path d="M 168 366 Q 205 358, 246 368" stroke="#0d1b2a" stroke-width="2.5" fill="none" opacity="0.4" />
  <path d="M 332 342 Q 295 334, 254 344" stroke="#0d1b2a" stroke-width="2.5" fill="none" opacity="0.4" />
  <path d="M 332 354 Q 295 346, 254 356" stroke="#0d1b2a" stroke-width="2.5" fill="none" opacity="0.4" />
  <path d="M 332 366 Q 295 358, 254 368" stroke="#0d1b2a" stroke-width="2.5" fill="none" opacity="0.4" />

  <!-- Heron -->
  <ellipse cx="260" cy="260" rx="38" ry="30" fill="#F2EADB" transform="rotate(-12 260 260)" />
  <path d="M 226 252 L 178 238 L 216 272 Z" fill="#F2EADB" />
  <path d="M 282 236 Q 300 200, 292 172 Q 287 156, 300 150" stroke="#F2EADB" stroke-width="17" fill="none" stroke-linecap="round" />
  <path d="M 296 137 L 288 126 M 298 133 L 292 122" stroke="#F2EADB" stroke-width="4.5" stroke-linecap="round" />
  <circle cx="303" cy="147" r="12" fill="#F2EADB" />
  <line x1="313" y1="145" x2="348" y2="153" stroke="#F2EADB" stroke-width="7" stroke-linecap="round" />
  <circle cx="307" cy="142" r="2.5" fill="#0d1b2a" />
  <line x1="255" y1="287" x2="259" y2="336" stroke="#F2EADB" stroke-width="5" stroke-linecap="round" />
  <line x1="272" y1="289" x2="276" y2="336" stroke="#F2EADB" stroke-width="5" stroke-linecap="round" />
  <path d="M 251 336 L 266 341 M 269 336 L 284 341" stroke="#F2EADB" stroke-width="4" stroke-linecap="round" />

  <!-- Top text -->
  <text font-family="Georgia, 'Times New Roman', 'Palatino Linotype', serif" font-size="36" font-weight="bold" fill="#C9A24B" letter-spacing="4">
    <textPath href="#topArc" xlink:href="#topArc" startOffset="50%" text-anchor="middle">NIGHT HERON</textPath>
  </text>

  <!-- Bottom text -->
  <text font-family="Georgia, 'Times New Roman', 'Palatino Linotype', serif" font-size="18" font-weight="bold" fill="#C9A24B" letter-spacing="2">
    <textPath href="#bottomArc" xlink:href="#bottomArc" startOffset="50%" text-anchor="middle">BOOKSHOP · OPENS AFTER DARK</textPath>
  </text>

  <!-- Side ornaments -->
  <use href="#diamond" xlink:href="#diamond" transform="translate(60,250) scale(1)" />
  <use href="#diamond" xlink:href="#diamond" transform="translate(440,250) scale(1)" />
</svg>