Yes. Vulcan AI is completely free. You start with 100 credits and earn 100 more automatically every 2 hours.

Which AI models does Vulcan AI support?

Vulcan AI supports 18+ models including Claude Sonnet 4.6, GPT-5, GPT-5.4, Gemini 3 Pro, Grok 4, DeepSeek V3, Mistral, and more.

Vulcan AI — 18+ AI Models in One Interface

18+

AI Models

200K

Context window

100

Free credits

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Conversations

Features

Everything in one place

Built for people who think seriously with AI every day.

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18+ Frontier AI Models

Switch between Claude 4.6, GPT-5, Gemini 3 Pro, Grok 4, DeepSeek V3 and more — all with one account.

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Persistent Conversation Memory

Every conversation is saved in your browser. Pick up exactly where you left off, every time.

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Markdown & Code Rendering

Code blocks with syntax highlighting, tables, headers, blockquotes — beautifully formatted.

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Fully Customisable

Set custom AI instructions, choose from 4 themes, and pick your default model.

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Auto-Regenerating Credits

Start with 100 free credits. Get +100 more automatically every 2 hours — no subscription.

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Secure Authentication

Enterprise-grade auth via Clerk. Your conversations are private and never stored on our servers.

How it works

Up and running in seconds

Create your account

Choose your model

Pick from 18+ frontier AI models. Switch anytime, mid-conversation.

Set your preferences

Add custom instructions. Choose your theme. Personalise your experience.

Start chatting

Ask anything. Your conversations are saved and remembered forever.

Testimonials

Loved by AI users

Vulcan AI is the only AI interface I actually use daily. Having Claude and GPT-5 in one place is a game-changer.

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Product designer

San Francisco

The clean UI and persistent memory make it so much better than switching between ChatGPT and Claude separately.

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Senior developer

London

I love that I can set custom instructions once and they apply to every conversation. Huge time saver.

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Content creator

Berlin

Start for free today

100 credits the moment you sign up. 18+ AI models. No card, no commitment.

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