Now live — v2.0 with Playground

CORELYNAI

Intelligence, engineered for you

A powerful, multi-model AI assistant with a built-in code playground, system prompt control, and support for Anthropic, OpenAI, Cerebras, and more.

Start chatting free See how it works Get a API key
4+
AI Providers
Conversations
1
API Key needed

BUILT FOR
BUILDERS

Everything you need to think, code, and create — in a single, distraction-free interface.

01
🤖
Multi-Model Support
Switch between providers without switching tools. Claude, GPT-4, Cerebras ultra-fast inference, and the custom Corelyn model — all from one settings panel with your own API key.
Anthropic · OpenAI · Cerebras · Corelyn
02
Live Playground
Write and preview HTML, CSS, and JS in real-time. Use the built-in AI Site Builder to generate full interfaces from a single prompt.
AI-powered
03
🎛️
System Prompts
Take full control with custom system prompts. Shape the AI's persona, expertise, and response style exactly as you need it.
Fully customizable
04
🔁
Trigger Automations
Define triggers that fire actions when the AI response matches a pattern — automate workflows right inside your conversations.
No-code automation
05
💾
Persistent Chat History
Every conversation is saved locally and organized in a clean sidebar. Pick up exactly where you left off — no account required.
Local storage · Zero friction
06
🤖
Create your personal AI personalities and put them on the marketplace
Share Lyns with other users so anyone can try your special AI.
AI for everyone

CHAT.
CODE.
SHIP.

Corelyn AI — session
// Playground · AI Site Builder

you   Build a dark landing page for a SaaS product

corelyn Generating your landing page…

// Writing HTML…
<section class="hero">
  <h1>Your SaaS, reimagined</h1>
  <p>Ship faster. Scale smarter.</p>
</section>

// Injecting CSS + animations…
// Preview updated ✓

corelyn Done! Want me to add a features section?
Step 01
Paste your API key
Open Settings, add your Anthropic or OpenAI key. Choose your preferred model and write a custom system prompt.
Step 02
Start the conversation
Ask questions, generate code, analyze data, or brainstorm ideas. Responses render in clean markdown with syntax highlighting.
Step 03
Build in the Playground
Open the Playground, describe what you want, and watch the AI generate live HTML/CSS/JS you can export and deploy.

YOUR MODEL,
YOUR CHOICE

Corelyn connects to leading AI providers. Bring your own key — no markup, no middleman.

OpenAI
GPT-4o
Multimodal intelligence with strong instruction-following and broad knowledge.
Popular
Cerebras
Llama 3.1-8b
Blazing inference speeds on custom silicon for latency-sensitive workflows.
Fast
Corelyn
Many others
Our own optimized models, fine-tuned for helpfulness and concise responses.
BEST
Custom made models

CODE WITHOUT
LIMITS

A full HTML/CSS/JS editor with live preview, AI generation, and one-click export. From idea to deployed page in minutes.