Mistral Small 4

by MistralReasoningClean

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

How it went

Total time: 19.9 s
Cost: $0.0024
Output tokens: 3,862
Spent thinking: 485 tokens
Speed: 204.8 tok/s
Console errors: 0

First token after: 1.1 s
First visible text after: 3.8 s
Prompt tokens: 549
Code size: 6.8 KB
Finish reason: stop
Served by: Mistral
Model id: mistralai/mistral-small-2603
Reasoning sent: {"effort":"high"}
Max output: 209,715 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 · 143 lines

Download

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 600">
  <defs>
    <!-- Sky gradient -->
    <linearGradient id="skyGradient" x1="0%" y1="0%" x2="0%" y2="100%">
      <stop offset="0%" stop-color="#0a1e3c"/>
      <stop offset="100%" stop-color="#040a18"/>
    </linearGradient>

    <!-- Moon gradient -->
    <radialGradient id="moonGradient" cx="50%" cy="50%" r="50%" fx="50%" fy="50%">
      <stop offset="0%" stop-color="#f5f3ce"/>
      <stop offset="70%" stop-color="#e8d58a"/>
      <stop offset="100%" stop-color="#c9a84a"/>
    </radialGradient>

    <!-- Moon glow filter -->
    <filter id="moonGlow" x="-50%" y="-50%" width="200%" height="200%">
      <feGaussianBlur stdDeviation="15" result="blur"/>
      <feComposite in="SourceGraphic" in2="blur" operator="over"/>
    </filter>

    <!-- Star shape (used for all stars) -->
    <g id="star">
      <path d="M0,0 L2,7 L0,5 L-2,7 Z" fill="white"/>
    </g>
  </defs>

  <!-- Background -->
  <rect width="100%" height="100%" fill="url(#skyGradient)"/>

  <!-- Distant hills -->
  <path d="M0,400 Q200,350 400,380 Q600,330 800,360 L800,600 L0,600 Z" fill="#1a3b2a" opacity="0.6"/>
  <path d="M0,420 Q250,380 500,410 Q700,360 800,390 L800,600 L0,600 Z" fill="#2a5b3a" opacity="0.7"/>

  <!-- Stars (randomly placed) -->
  <use href="#star" x="100" y="80" transform="scale(0.8)"/>
  <use href="#star" x="150" y="50" transform="scale(1.2)"/>
  <use href="#star" x="200" y="100" transform="scale(0.7)"/>
  <use href="#star" x="250" y="70" transform="scale(1.1)"/>
  <use href="#star" x="300" y="40" transform="scale(0.9)"/>
  <use href="#star" x="350" y="90" transform="scale(1.3)"/>
  <use href="#star" x="400" y="60" transform="scale(0.8)"/>
  <use href="#star" x="450" y="110" transform="scale(1.2)"/>
  <use href="#star" x="500" y="75" transform="scale(0.7)"/>
  <use href="#star" x="550" y="50" transform="scale(1.1)"/>
  <use href="#star" x="600" y="95" transform="scale(0.9)"/>
  <use href="#star" x="650" y="65" transform="scale(1.3)"/>
  <use href="#star" x="700" y="85" transform="scale(0.8)"/>
  <use href="#star" x="750" y="55" transform="scale(1.2)"/>

  <!-- Twinkling stars with animations -->
  <g>
    <use href="#star" x="50" y="120" transform="scale(1.1)">
      <animate attributeName="opacity" values="0.3;1;0.3" dur="3s" repeatCount="indefinite" begin="0s"/>
    </use>
    <use href="#star" x="120" y="150" transform="scale(0.9)">
      <animate attributeName="opacity" values="0.4;0.9;0.4" dur="4s" repeatCount="indefinite" begin="1s"/>
    </use>
    <use href="#star" x="220" y="130" transform="scale(1.2)">
      <animate attributeName="opacity" values="0.2;0.8;0.2" dur="5s" repeatCount="indefinite" begin="0.5s"/>
    </use>
    <use href="#star" x="320" y="160" transform="scale(1.0)">
      <animate attributeName="opacity" values="0.5;1;0.5" dur="3.5s" repeatCount="indefinite" begin="1.5s"/>
    </use>
    <use href="#star" x="420" y="140" transform="scale(1.1)">
      <animate attributeName="opacity" values="0.3;0.7;0.3" dur="4.5s" repeatCount="indefinite" begin="0.8s"/>
    </use>
    <use href="#star" x="520" y="170" transform="scale(0.9)">
      <animate attributeName="opacity" values="0.6;1;0.6" dur="3s" repeatCount="indefinite" begin="2s"/>
    </use>
    <use href="#star" x="620" y="150" transform="scale(1.3)">
      <animate attributeName="opacity" values="0.4;0.9;0.4" dur="4s" repeatCount="indefinite" begin="1s"/>
    </use>
    <use href="#star" x="720" y="120" transform="scale(1.0)">
      <animate attributeName="opacity" values="0.2;0.8;0.2" dur="5s" repeatCount="indefinite" begin="0.3s"/>
    </use>
  </g>

  <!-- Moon -->
  <circle cx="650" cy="100" r="40" fill="url(#moonGradient)" filter="url(#moonGlow)"/>

  <!-- Shooting star (starts at 1.5s, lasts 1s) -->
  <g transform="translate(50, 50)">
    <line x1="0" y1="0" x2="60" y2="30" stroke="white" stroke-width="2" stroke-linecap="round">
      <animateMotion path="M0,0 L60,30" dur="0.8s" begin="1.5s;5.5s;9.5s" fill="freeze"/>
      <animate attributeName="opacity" values="0;1;0" dur="0.8s" begin="1.5s;5.5s;9.5s" fill="freeze"/>
    </line>
    <circle cx="60" cy="30" r="3" fill="white">
      <animate attributeName="r" values="3;6;3" dur="0.8s" begin="1.5s;5.5s;9.5s" fill="freeze"/>
      <animate attributeName="opacity" values="1;0" dur="0.8s" begin="1.5s;5.5s;9.5s" fill="freeze"/>
    </circle>
  </g>

  <!-- Hill foreground -->
  <path d="M0,500 Q150,450 300,480 Q450,430 600,460 Q700,440 800,470 L800,600 L0,600 Z" fill="#3a6b4a"/>

  <!-- Trees on hill -->
  <path d="M100,450 L100,400 L110,400 L110,450 Z" fill="#2a4b2a"/>
  <path d="M105,400 L105,350 L115,350 L115,400 Z" fill="#2a4b2a"/>
  <path d="M150,460 L150,410 L160,410 L160,460 Z" fill="#2a4b2a"/>
  <path d="M155,410 L155,360 L165,360 L165,410 Z" fill="#2a4b2a"/>
  <path d="M200,455 L200,405 L210,405 L210,455 Z" fill="#2a4b2a"/>
  <path d="M205,405 L205,355 L215,355 L215,405 Z" fill="#2a4b2a"/>

  <!-- Fox body -->
  <path d="M250,480 Q270,460 290,470 Q310,480 330,475 Q350,470 360,485 Q370,500 360,515 Q350,530 330,525 Q310,520 290,530 Q270,540 250,520 Q230,500 250,480 Z" fill="#e09b5a"/>

  <!-- Fox head -->
  <path d="M330,475 Q340,465 350,470 Q360,475 355,485 Q350,495 340,490 Q330,485 330,475 Z" fill="#e09b5a"/>

  <!-- Fox ears -->
  <path d="M345,465 L355,450 L360,460 Z" fill="#c5864a"/>
  <path d="M335,468 L345,453 L350,463 Z" fill="#c5864a"/>

  <!-- Fox snout -->
  <ellipse cx="355" cy="480" rx="8" ry="5" fill="#f5d7b0"/>

  <!-- Fox eyes -->
  <circle cx="345" cy="475" r="2" fill="#1a1a1a"/>
  <circle cx="350" cy="478" r="1.5" fill="#1a1a1a"/>

  <!-- Fox tail (main part) -->
  <path d="M250,500 Q230,490 220,470 Q210,450 230,440 Q250,430 270,445 Q280,450 270,470 Q260,485 250,500 Z" fill="#e09b5a"/>

  <!-- Fox tail white tip -->
  <path d="M270,445 Q280,440 290,450 Q300,460 280,470 Q270,475 270,445 Z" fill="white"/>

  <!-- Fox tail animation (gentle sway) -->
  <path d="M250,500 Q230,490 220,470 Q210,450 230,440 Q250,430 270,445 Q280,450 270,470 Q260,485 250,500 Z" fill="#e09b5a">
    <animateTransform attributeName="transform" type="rotate" values="0 250 480; 5 250 480; 0 250 480; -5 250 480; 0 250 480" dur="8s" repeatCount="indefinite"/>
  </path>

  <!-- Fox tail white tip animation -->
  <path d="M270,445 Q280,440 290,450 Q300,460 280,470 Q270,475 270,445 Z" fill="white">
    <animateTransform attributeName="transform" type="rotate" values="0 270 455; 5 270 455; 0 270 455; -5 270 455; 0 270 455" dur="8s" repeatCount="indefinite"/>
  </path>

  <!-- Fox legs -->
  <path d="M280,515 L280,535" stroke="#c5864a" stroke-width="4" stroke-linecap="round"/>
  <path d="M300,518 L300,538" stroke="#c5864a" stroke-width="4" stroke-linecap="round"/>
  <path d="M320,515 L320,535" stroke="#c5864a" stroke-width="4" stroke-linecap="round"/>
  <path d="M340,518 L340,538" stroke="#c5864a" stroke-width="4" stroke-linecap="round"/>
</svg>

Reasoning trace (485 tokens)

I need to create a standalone SVG illustration of a fox on a hill looking at the moon with animations. Let me break down the requirements:

1. Single SVG file with viewBox="0 0 800 600"
2. Hand-written shapes/paths only - no images, no JS
3. Fox must be recognizable (pointy ears, snout, bushy tail with white tip)
4. Moon with soft glow, many stars, hill, background elements (trees, distant hills)
5. Coherent color palette with at least one gradient
6. Animations: stars twinkling, fox tail swaying, shooting star every 4 seconds (first within 2s)

I'll use SMIL for animations since the task mentions SMIL or CSS, and SMIL is more reliable in SVGs without JS.

Let me plan the composition:
- Background: dark blue gradient for night sky
- Moon: large circle with glow effect (using filter)
- Stars: many small circles with twinkling animation
- Hills: layered paths for depth
- Trees: simple shapes in silhouette
- Fox: main subject with ears, snout, tail with white tip
- Tail animation: gentle sway using rotate transform
- Shooting star: diagonal line with fade animation

For the fox, I'll need:
- Body: oval shape
- Head: circle
- Ears: two triangles
- Snout: smaller circle or path
- Eyes: small circles
- Tail: curved path with white tip
- Legs: simple lines

For the moon glow, I'll use a filter with feGaussianBlur.

For gradients, I can use a radial gradient for the moon's glow or a linear gradient for the sky.

Let me structure the SVG:
1. Definitions (filters, gradients)
2. Background elements (sky gradient, stars)
3. Moon with glow
4. Hills and trees
5. Fox
6. Animations

I'll need to create a radial gradient for the sky background to create depth.

For stars twinkling, I'll use SMIL animate elements with opacity changes.

For the tail sway, I'll use a rotate animation around a pivot point.

For the shooting star, I'll use a line with animateMotion and animate for opacity/fade.

Let me start coding the SVG structure.