Logo Evolution Lab
Multi-Agent
Turtle Graphics
🌙
Logo Program
FD 100
Change Magnitude —
5
/10
Subtle
Radical
Aesthetic Taste
Critic sees
Images only
Images + code
Code only
Variants per Round
Auto-Run Rounds
Selection Mode
Best
Roulette
Primary
Claude Sonnet 4.6
keyless · default
No key needed inside claude.ai
Optional — Gemini or OpenAI (Claude API blocks browser CORS)
⚠ Claude unavailable
Provider
Google Gemini
OpenAI
Model
API Key
Save key in browser (this device only — don’t check on shared machines)
Clear saved
⚠️
Blocked in claude.ai
— Gemini & OpenAI need the CSP-free local file. Claude own-key works here.
▶ Start
↺ Clear History
↓ Download History
▶ Download Dissolve
Processing…
Original
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🔍 Enlarge & Replay
Agents thinking…
Evolution
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🔍 Enlarge & Replay
Critic Feedback & Next Step
Scored Variants & Pool
Agent System Prompts
editable · live
▼
◈ Modifier Agent
Reset
◈ Critic Agent
Reset
◈ Story Narrator
Reset
✦ Story of Evolution
Regenerate
Composing the story…
Session History
Evolution Tree
Fit to Screen
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History HTML — Copy & Save
Select all inside the box (Ctrl+A), copy, paste into a new file, save as
.html
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Replay
Speed:
Medium
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