Raw API call
22 models ran in it: Claude Fable 5.1, Claude Haiku 5.5, Claude Opus 5.5, Claude Sonnet 5, Claude Sonnet 5.5, DeepSeek V4 Pro, DeepSeek V4.1 Flash, GLM-5.3, GPT-6 Astra, GPT-6 Luna, GPT-6 Sol, Gemini 3.6 Flash, Gemini 3.7 Flash, Kimi K3, MiniMax M3, Qwen3.8 27B, Qwen3.8 Max, gemini-3.5-flash, gpt-6.1-sol, gpt-oss-120b, minimax-m3, qwen3p8-max.
2,097 runs on 375 prompts · 83% finished
Results
The best run of each of its 375 tests first, then every other run. Filter them in the explorer
1,744 finished runs
Live demo
Live demo
Live demo
Live demo
Live demo
Live demo
Live demo
Live demo
Live demo
Live demo
Live demo
Live demo
Live demo
Live demo
Live demo
Live demo
Live demo
Live demo
Live demo
Live demo
Live demo
Live demo
Live demo
Live scene
Animated pelican riding a bicycle (SMIL/CSS)
Gemini 3.6 Flash
Raw API (one-shot)
raw API baseline
Failed · Did not finish
MacBook Pro 16" realistic 3D render (Playcode benchmark)
Gemini 3.6 Flash
Raw API (one-shot)
raw API baseline
Failed · Did not finish
Lighthouse on a headland at night
Gemini 3.6 Flash
Raw API (one-shot)
raw API baseline
Failed · Did not finish
Isometric SVG town with sprite sheet
Gemini 3.6 Flash
Raw API (one-shot)
raw API baseline
Failed · Did not finish
California brown pelican riding a bicycle (detailed spec)
Gemini 3.6 Flash
Raw API (one-shot)
raw API baseline
Failed · Did not finish
BMW M4 Competition, side view (flat vector)
Gemini 3.6 Flash
Raw API (one-shot)
raw API baseline
Failed · Did not finish
Live watercolour: Venetian canal
Claude Opus 5.5
Raw API (one-shot)
raw API baseline
Failed · Did not finish
Loads without errors but stays blank in our check.
Live watercolour: Venetian canal
Claude Opus 5.5
Raw API (one-shot)
raw API baseline
Failed · Did not finish
Live watercolour: Venetian canal
DeepSeek V4.1 Flash
Raw API (one-shot)
raw API baseline
Failed · Did not finish
Loads without errors but stays blank in our check.
Live watercolour: Venetian canal
Claude Opus 5.5
Raw API (one-shot)
raw API baseline
Failed · Did not finish
003 Orbital Coffee Landing
DeepSeek V4.1 Flash
Raw API (one-shot)
raw API baseline
Failed · Did not finish
Fjord scene (Three.js)
Claude Opus 5.5
Raw API (one-shot)
raw API baseline
Failed · Stopped by our timeout
DualSense controller, max fidelity
Claude Fable 5.1
Raw API (one-shot)
raw API baseline
Failed · Stopped by our timeout
DualSense controller, max fidelity
Claude Opus 5.5
Raw API (one-shot)
raw API baseline
Failed · Did not finish
DualSense controller, max fidelity
Claude Opus 5.5
Raw API (one-shot)
raw API baseline
Failed · Did not finish
DualSense controller, max fidelity
Claude Opus 5.5
Raw API (one-shot)
raw API baseline
Failed · Did not finish
DualSense controller, max fidelity
Claude Opus 5.5
Raw API (one-shot)
raw API baseline
Failed · Did not finish
DualSense controller, max fidelity
Claude Opus 5.5
Raw API (one-shot)
raw API baseline
Failed · Did not finish
DualSense controller, max fidelity
Claude Opus 5.5
Raw API (one-shot)
raw API baseline
Failed · Did not finish
Lighthouse on a headland at night
Gemini 3.7 Flash
Raw API (one-shot)
raw API baseline
Failed · Did not finish
Numbers: finish rate, cost, wall time, draft scores
- Runs
- 2097
- on 375 prompts
- Finished
- 83%
- 1744 of 2097
- Median cost, finished run
- $0.59
- n=371
- Median wall time, finished run
- 1m 34s
- n=1744
- Recorded spend
- $274.74
- $38.77 on unfinished runs; 1696 without a recorded cost
From the numbers
Set against the other harnesses with at least 3 runs (top or bottom third), and its draft-score ranks within single prompts. Nothing here is averaged across prompts.
Strengths
- 1m 34s (n=1744): 1st of 12 harnesses with at least 3 (median wall time of a finished run)
- $0.59 (n=371): 3rd of 12 harnesses with at least 3 (median cost of a finished run)
Weaknesses
- 348 runs ended as the model's own failure (DNF, class MODEL)
- Other unfinished runs, not counted against the model: 1 INFRA, 2 TIMEOUT, 1 STOPPED, 1 ERROR
Best and hardest run
Best run
Picked as its fastest finished run (no scored result yet).
-
gpt-oss-120b, raw API call, Settings Toggles
Raw API call, high effort, via OpenAI
raw API baseline
2.3 s
not recorded: the run's token counts were never reported, so there is no estimate
OK
Unscored: no rubric for this prompt
Hardest run
Picked as its costliest run that did not finish.
-
Did not finish · re-run queued
Claude Fable 5.1, raw API call, threejs_artwork_style_pass
Raw API call, via Anthropic
raw API baseline
DNF
13m 03s $3.21 estimated
Draft scores by prompt
No scored result yet (only prompts with a published rubric are scored).
By model
Show the table (20 rows)
| GPT-6 Sol | 139 | 139 | 100% | $0.44 n=5 | 1m 54s n=139 |
|---|---|---|---|---|---|
| GPT-6 Luna | 134 | 134 | 100% | not recorded: no finished run with a recorded cost | 1m 10s n=134 |
| gpt-6.1-sol | 11 | 11 | 100% | not recorded: no finished run with a recorded cost | 3m 35s n=11 |
| Claude Haiku 5.5 | 2 | 2 | 100% | not recorded: no finished run with a recorded cost | 3m 08s n=2 |
| Claude Sonnet 5 | 99 | 97 | 98% | not recorded: no finished run with a recorded cost | 2m 17s n=97 |
| GPT-6 Astra | 147 | 144 | 98% | $0.61 n=142 | 3m 46s n=144 |
| DeepSeek V4 Pro | 171 | 167 | 98% | $0.052 n=1 | 2m 23s n=167 |
| Claude Fable 5.1 | 111 | 108 | 97% | $0.72 n=108 | 2m 53s n=108 |
| DeepSeek V4.1 Flash | 166 | 157 | 95% | $0.035 n=1 | 1m 02s n=157 |
| Kimi K3 | 71 | 65 | 92% | not recorded: no finished run with a recorded cost | 9m 10s n=65 |
| gpt-oss-120b | 354 | 324 | 92% | not recorded: no finished run with a recorded cost | 8.5 s n=324 |
| Claude Opus 5.5 | 141 | 119 | 84% | $0.40 n=111 | 3m 28s n=119 |
| Qwen3.8 Max | 71 | 59 | 83% | not recorded: no finished run with a recorded cost | 3m 56s n=59 |
| MiniMax M3 | 64 | 48 | 75% | not recorded: no finished run with a recorded cost | 2m 39s n=48 |
| Claude Sonnet 5.5 | 4 | 2 | 50% | not recorded: no finished run with a recorded cost | 4m 30s n=2 |
| gemini-3.5-flash | 2 | 1 | 50% | not recorded: no finished run with a recorded cost | 2m 15s n=1 |
| Qwen3.8 27B | 340 | 150 | 44% | not recorded: no finished run with a recorded cost | 26 s n=150 |
| Gemini 3.6 Flash | 11 | 3 | 27% | $0 n=3 | 3m 12s n=3 |
| GLM-5.3 | 57 | 14 | 25% | not recorded: no finished run with a recorded cost | 11m 22s n=14 |
| Gemini 3.7 Flash | 2 | 0 | 0% | not recorded: no finished run with a recorded cost | not recorded: no finished run with a recorded time |
All 375 tests
- Animated short (HTML/JS) (6 runs)
- Live watercolour: Venetian canal (8 runs)
- AI model race explainer (1 run)
- Chart morph (bars, line, donut) (4 runs)
- KPI odometer cards (1 run)
- Flight route map (1 run)
- Planet orbits to size line-up (1 run)
- Shape-morph logo reveal (1 run)
- Stock line to candlesticks (1 run)
- Scatter, waffle, histogram morph (1 run)
- 097 Wave Interference (1 run)
- 096 CSS Solar System (2 runs)
- Zoom to the Atom (4 runs)
- 025 Gravity Well (4 runs)
- 024 Tower Stack (3 runs)
- 088 Spring Mass Chain (2 runs)
- 086 CSS Ocean Waves (2 runs)
- 084 Epidemic Grid (2 runs)
- 082 Circular Text Badge (2 runs)
- 019 Boids Lagoon (8 runs)
- 017 Typewriter Poem (11 runs)
- 021 Rotating CSS Cube (5 runs)
- 016 Heartbeat Line (11 runs)
- Paris Tower (6 runs)
- 076 Reaction Diffusion (2 runs)
- 072 Starfield Warp (2 runs)
- 071 CSS Pixel Portrait (2 runs)
- 069 Ant Colony Trails (2 runs)
- 067 Glitch Title Card (2 runs)
- 062 Recursive Tree Wind (2 runs)
- 013 Soft Body Blobs (11 runs)
- 058 Bubble Wrap Pop (2 runs)
- 057 Variable Weight Wave (2 runs)
- 054 Flappy Paper Plane (2 runs)
- Koi Pond Garden (12 runs)
- 011 Pure CSS Sunset (11 runs)
- 009 Forest Fire Automaton (12 runs)
- 008 Pocket Theremin (11 runs)
- 006 Rainfall Bars (12 runs)
- 003 Orbital Coffee Landing (17 runs)
- 004 Brick Breaker Neon (15 runs)
- 005 Focus Timer Orbit (16 runs)
- 007 Kinetic Headline (11 runs)
- 002 Pendulum Wave (16 runs)
- 044 Traffic Intersection (3 runs)
- 049 Maze Runner (2 runs)
- 047 Flow Field Threads (2 runs)
- 046 Pure CSS Loaders (2 runs)
- 036 CSS Jellyfish Tank (2 runs)
- 033 Wind Chimes (2 runs)
- 032 Liquid Letters (2 runs)
- 029 Asteroid Drift (2 runs)
- 014 Snake Reimagined (11 runs)
- Codrops-style scroll story: the life of a raindrop (5 runs)
- Fjord scene (Three.js) (9 runs)
- PS5 Pro console scene (2 runs)
- DualSense controller, max fidelity (15 runs)
- DualSense controller, quick (2 runs)
- Artwork style pass (11 runs)
- Vintage biplane aerobatics over a grass airfield (Three.js) (4 runs)
- Retro arcade claw machine with pastel plush prizes (Three.js) (6 runs)
- Four-stroke engine cutaway: crank, piston and cam-driven valves (Three.js) (8 runs)
- Hot air balloon festival over rolling fields (Three.js) (9 runs)
- Mechanical bee (11 runs)
- Synthwave hover-bike racer on a neon grid highway (Three.js) (7 runs)
- Outer-space pinball table with planet bumpers (Three.js) (5 runs)
- Floating pirate island diorama with a cliff cross-section (Three.js) (7 runs)
- Rube Goldberg breakfast machine on a kitchen countertop (Three.js) (1 run)
- Victorian optical toys in 3D: zoetrope, phenakistiscope, praxinoscope (Three.js) (2 runs)
- Greek Temple (9 runs)
- Giant Mech (3 runs)
- Desert Dunes at Night (12 runs)
- Desk Lamp and Books (11 runs)
- Lavender Fields (5 runs)
- Colourful Mandala (4 runs)
- Lunar New Year Lanterns (4 runs)
- Latte Art (7 runs)
- Ladybug on a Leaf (7 runs)
- Geometric Tech Logo (4 runs)
- Grand Piano (9 runs)
- Knight in Armour (7 runs)
- Sushi Bar Logo (4 runs)
- Sales Dashboard Card (14 runs)
- Space Program Patch (4 runs)
- Kingfisher Diving (7 runs)
- Cycling Peloton (14 runs)
- Cyberpunk Alley (14 runs)
- Pet Clinic Logo (4 runs)
- Kids Building a Snowman (7 runs)
- Outdoor Gear Emblem (4 runs)
- Gothic Cathedral Facade (10 runs)
- Florist Monoline Logo (4 runs)
- Ring of Keys (7 runs)
- Gym Logo (4 runs)
- Coffee Roaster Logo (4 runs)
- Seigaiha Wave Pattern (7 runs)
- Five-Storey Pagoda (7 runs)
- Good Vibes Retro Type (10 runs)
- Craft Drinks Label Emblem (4 runs)
- Straw in a Glass (10 runs)
- Glitch Text (10 runs)
- Bookshop Logo (4 runs)
- Jack-o'-Lanterns (7 runs)
- Victorian Glasshouse (10 runs)
- Bakery Badge (4 runs)
- Isometric Space Station (7 runs)
- Corgi Catching a Frisbee (14 runs)
- Login Screen (4 runs)
- Line Icon Set (4 runs)
- Gardener Watering Plants (10 runs)
- Isometric Workspace (7 runs)
- Temperature Line Chart (4 runs)
- Layer Cake Slice (4 runs)
- Isometric Harbour (7 runs)
- Retro Handheld Console (10 runs)
- Circuit Board Close-Up (14 runs)
- Isometric Farm (7 runs)
- Chalkboard Coffee Lettering (14 runs)
- Fractal Tree (10 runs)
- Fruit Bowl Still Life (10 runs)
- Isometric Cube Illusion (7 runs)
- Isometric Coffee Shop (7 runs)
- Fountain Pen and Ink (10 runs)
- Geometric Star Tiling (7 runs)
- Food Pyramid (10 runs)
- Melting Ice Cream Cone (7 runs)
- Top-Down City Park (14 runs)
- Floating Islands (10 runs)
- Hummingbird at Flower (7 runs)
- Human Skeleton (7 runs)
- Coffee Decision Flowchart (10 runs)
- Human Heart Anatomy (7 runs)
- Human Eye Diagram (7 runs)
- Flamingo on One Leg (10 runs)
- Hourglass (7 runs)
- Chessboard Mid-Game (14 runs)
- 35mm Film Camera (10 runs)
- Hot Air Balloons (7 runs)
- Honeybee on Honeycomb (8 runs)
- File Upload Dropzone (10 runs)
- Fantasy World Map (10 runs)
- Hello Neon Sign (7 runs)
- Rescue Helicopter (7 runs)
- Basket of Painted Eggs (10 runs)
- Pyramids at Sunset (10 runs)
- Chameleon on a Branch (14 runs)
- Chef Flipping a Pan (14 runs)
- Over-Ear Headphones (7 runs)
- Hand Holding Five Fruits (7 runs)
- Windmill by a Canal (11 runs)
- Chat Conversation UI (14 runs)
- Drippy BOO Lettering (7 runs)
- Drum Kit (10 runs)
- 3D Block Letters (10 runs)
- Quadcopter Drone (10 runs)
- Canyon River (14 runs)
- Container Ship (14 runs)
- Dragonfly Over Pond (10 runs)
- Dragon Coiled on a Tower (10 runs)
- DNA Double Helix (10 runs)
- Energy Mix Donut Chart (10 runs)
- Festival Oil Lamps (10 runs)
- Campus Map (14 runs)
- Group Selfie (10 runs)
- Butterfly Life Cycle (14 runs)
- Noir Detective (10 runs)
- Calendar Month View (14 runs)
- Bubble Tea (14 runs)
- Exploded Burger (14 runs)
- Boxing Ring (14 runs)
- Breakfast Skillet (14 runs)
- Labelled Bicycle Diagram (14 runs)
- Bauhaus Composition (14 runs)
- Cloud Lettering (2 runs)
- Wolf Howling at Moon (9 runs)
- Basketball Slam Dunk (14 runs)
- Snowy Holiday Cabin (2 runs)
- Weather Widget (2 runs)
- Water Cycle Diagram (2 runs)
- VR Headset (2 runs)
- Battery Level Icons (14 runs)
- Voronoi Pattern (2 runs)
- Volcano Cross-Section (2 runs)
- Violin and Bow (2 runs)
- Vintage Typewriter (2 runs)
- Record Turntable (2 runs)
- Vintage Travel Poster Type (2 runs)
- Baseball Stadium (14 runs)
- Three-Circle Venn Diagram (2 runs)
- Valentine Letter (2 runs)
- Open Umbrella in Rain (2 runs)
- Tropical Beach (2 runs)
- Pirate Treasure Map (2 runs)
- Cable Car on a Hill (2 runs)
- History of Flight Timeline (2 runs)
- Barn Owl in Flight (15 runs)
- Settings Toggles (2 runs)
- Prairie Thunderstorm (2 runs)
- Stacked Animals (2 runs)
- Harvest Dinner Table (2 runs)
- Tennis Serve (2 runs)
- Thank You Script (2 runs)
- Modular Synthesizer (2 runs)
- Multi-Tool Pocket Knife (2 runs)
- Butterfly Stroke Swimmer (2 runs)
- Suspension Bridge in Fog (2 runs)
- Surfer in a Barrel (2 runs)
- Sushi Platter (2 runs)
- Sunburst Rays (2 runs)
- Summer Beach Day (2 runs)
- Metro Map (2 runs)
- Steampunk Airship (2 runs)
- Stay Wild Circular Badge (2 runs)
- Abstract Stained Glass (2 runs)
- Cherry Blossom Picnic (2 runs)
- Sports Team Crest (2 runs)
- Rocket Launch (2 runs)
- Solar System (2 runs)
- Overhead Kick (2 runs)
- Smartwatch (2 runs)
- Sleeping Curled Cat (17 runs)
- Downhill Skier (2 runs)
- Vintage Sewing Machine (2 runs)
- Sheet Music Excerpt (2 runs)
- Server Rack (2 runs)
- Saxophone (2 runs)
- Ballet Dancer (14 runs)
- Rock Climber (2 runs)
- Rock Band on Stage (2 runs)
- Fruit Sales Bar Chart (14 runs)
- Rice Terraces (2 runs)
- Autumn Forest Path (14 runs)
- Robot Vacuum (2 runs)
- Retro Desktop Computer (2 runs)
- Red Fox in Snow (16 runs)
- Recycling Process (2 runs)
- Reflection in a Puddle (2 runs)
- Bowl of Ramen (2 runs)
- Fitness Activity Rings (2 runs)
- Potted Succulents (2 runs)
- Polar Bear on Ice Floe (7 runs)
- Plant Cell Diagram (2 runs)
- Budget Pie Chart (2 runs)
- Phoenix Rising (2 runs)
- Periodic Table Excerpt (2 runs)
- Impossible Triangle (2 runs)
- Emperor Penguin Huddle (2 runs)
- Painter at an Easel (2 runs)
- Panda Eating Bamboo (12 runs)
- Organisation Chart (2 runs)
- Bohr Model of an Atom (14 runs)
- Op Art Waves (2 runs)
- Orchestra Seating Chart (2 runs)
- Northern Lights (2 runs)
- New Year Fireworks (2 runs)
- Music Player UI (2 runs)
- Domed Mosque (2 runs)
- Phases of the Moon (2 runs)
- Stargazer with Telescope (14 runs)
- Ornate Monogram (2 runs)
- Cat Seeing a Lion (2 runs)
- Memphis Pattern (2 runs)
- Mermaid on a Rock (2 runs)
- Medieval Castle (2 runs)
- Floating Astronaut (14 runs)
- Art Deco Skyscraper (14 runs)
- Ant Colony Cutaway (14 runs)
- Flat App Icon Set (14 runs)
- Alien Planet (14 runs)
- Illustrated Alphabet A B C (14 runs)
- Acoustic Guitar (14 runs)
- Twin-Bell Alarm Clock (14 runs)
- 023 Mortgage Calculator (5 runs)
- 095 Notification Centre (2 runs)
- 094 Lava Lamp Metaballs (2 runs)
- 093 Arpeggio Machine (2 runs)
- Night Train (9 runs)
- 091 Treemap Budget (2 runs)
- 090 Countdown Builder (2 runs)
- 089 Pixel Paint Paddles (2 runs)
- 083 Sine Chord Pad (2 runs)
- 078 Event Poster Page (3 runs)
- 018 Step Sequencer Grid (11 runs)
- 081 Election Hemicycle (2 runs)
- 080 Regex Playground (2 runs)
- 079 Tetromino Drop (2 runs)
- 022 Mandala Painter (5 runs)
- 020 Pricing Table Trio (6 runs)
- 015 Color Palette Studio (11 runs)
- 075 Tip Splitter (2 runs)
- 074 Word Guess Five (2 runs)
- 070 Card Hover Effects (2 runs)
- 068 Piano Keys Mini (2 runs)
- 066 Stock Candlesticks (2 runs)
- 065 Habit Streak Tracker (2 runs)
- 061 CSS Candle Flame (2 runs)
- 059 Predator Prey Meadow (2 runs)
- 055 Password Forge (2 runs)
- 012 Magnetic Filings (11 runs)
- 053 Portfolio Grid (2 runs)
- 050 Budget Pie Planner (2 runs)
- Swimming Sea Turtle (14 runs)
- Giraffe Side Profile (14 runs)
- 045 Form Validation Demo (2 runs)
- 010 Toggle Switch Gallery (11 runs)
- Octopus Juggling Teacups (15 runs)
- Elephant Calf Mud Bath (15 runs)
- 051 Tidal Moiré (3 runs)
- 001 Ink Bloom Garden (15 runs)
- 052 Catapult Castle (2 runs)
- Monarch Butterfly (4 runs)
- Hedgehog Under Mushroom (7 runs)
- Peacock Tail Display (4 runs)
- Starfighter in a Hangar (2 runs)
- Wizard Casting a Spell (2 runs)
- Skateboarder Ollie (2 runs)
- Old Fisherman (2 runs)
- Kelp Forest (2 runs)
- Erupting Volcano (2 runs)
- Jungle Waterfall (2 runs)
- Mountain Lake at Dawn (2 runs)
- Colourful Row Houses (2 runs)
- Treehouse (2 runs)
- Trio of Tacos (2 runs)
- Pizza Slice Cheese Pull (2 runs)
- Stack of Pancakes (2 runs)
- Mechanical Keyboard (2 runs)
- Exploded Smartphone (2 runs)
- Running Shoe (2 runs)
- Open Toolbox (2 runs)
- Monster Truck Jump (2 runs)
- Deep-Sea Submarine (2 runs)
- Vintage Biplane (2 runs)
- Vintage Scooter (2 runs)
- Double-Decker Bus (2 runs)
- Sailboat Regatta (2 runs)
- Steam Locomotive (2 runs)
- Toucan on a Branch (2 runs)
- 043 Drone Pad Synth (2 runs)
- 041 Solar Radial Clock (2 runs)
- 042 Split Flap Board (2 runs)
- 040 Markdown Notepad (2 runs)
- 039 Memory Match Cards (2 runs)
- 037 Voronoi Stained Glass (2 runs)
- 038 Cloth Curtain (2 runs)
- 035 Modal Dialog Set (2 runs)
- 034 Sandpile Falling (2 runs)
- 031 Population Bubbles (2 runs)
- 030 Unit Converter Deck (2 runs)
- 028 Night Market Zine (2 runs)
- 026 Aurora Ribbons (2 runs)
- Blizzard Cabin (1 run)
- Hiking Trail Map (2 runs)
- Garden Automation Tutorial (2 runs)
- 087 Particle Text Morph (2 runs)
- 073 Water Ripple Pond (3 runs)
- 063 Rope Bridge (2 runs)
- Unicorn in a Meadow (2 runs)
- Robot Tending a Flower (2 runs)
- 092 Scroll Story Words (2 runs)
- 077 Double Pendulum Chaos (3 runs)
- 064 Minesweeper Classic (3 runs)
- 056 Commute Heatmap (3 runs)
- 048 Marble Run Ramps (2 runs)
- 027 Momentum Cradle (2 runs)
- Xbox 360 controller (1 run)
- Animated pelican riding a bicycle (SMIL/CSS) (1 run)
- MacBook Pro 16" realistic 3D render (Playcode benchmark) (1 run)
- Lighthouse on a headland at night (2 runs)
- Isometric SVG town with sprite sheet (1 run)
- California brown pelican riding a bicycle (detailed spec) (1 run)
- BMW M4 Competition, side view (flat vector) (1 run)
- Pelican riding a bicycle (control) (2 runs)