Last updated 07-22-2026
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SlickGPT
SlickGPT is a lightweight web client for chatting with OpenAI-compatible models, built in Svelte by ShipBit. You can plug in your own API keys and pay providers directly per request, or subscribe to SlickGPT Pro and skip key setup entirely.
The app gives you quick access to GPT-3.5, GPT-4 Turbo, GPT-4o, GPT-4o-mini, and GPT-4 without forcing registration on the free tier. Vision support is available for OpenAI models, and the pricing modal lets you compare pay-per-use BYOK access against a fixed monthly Pro rate.
It fits developers and power users who want a cleaner ChatGPT-style interface, people juggling multiple API providers, and anyone who prefers predictable monthly billing over tracking token spend.
Chat with GPT-4o, GPT-4o-mini, GPT-4 Turbo, and GPT-3.5 using your own API keys
Pro plan at ???5.99/month covers hosted model access with no API key setup
Free tier works without registration when you bring your own OpenAI, Groq, or Mistral keys
Vision support for OpenAI models when analyzing images in chat
Compare monthly and yearly Pro billing before you commit to a plan
Free tier works without registration when you supply your own API keys
Supports OpenAI, Groq, and Mistral models from a single interface
Pro plan offers predictable ???5.99/month pricing instead of per-token billing
Vision support for OpenAI models is built into the client
The original slickgpt.com domain no longer resolves; the live app is on slickgpt.vercel.app
Pro tier requires account registration and login
Some Pro models, including Llama 3 and Mistral, are marked as coming soon
Yearly Pro discount is shown in the UI but the percentage is not listed
Is SlickGPT free to use?
Yes. SlickGPT offers a free tier where you bring your own OpenAI, Groq, or Mistral API keys and pay those providers directly based on usage. A paid Pro plan is also available for users who want fixed monthly pricing without managing keys.
How much does SlickGPT Pro cost?
SlickGPT Pro is listed at ???5.99 per month on the site's pricing modal. The page also shows a yearly billing option, though the yearly discount percentage is not displayed in the current interface.
Do I need an API key to use SlickGPT?
On the free tier, yes. SlickGPT requires your own OpenAI, Groq, or Mistral API keys and bills you through those providers per use. SlickGPT Pro removes the API key requirement and routes requests through ShipBit's hosted infrastructure for a flat monthly fee.
What AI models does SlickGPT support?
SlickGPT supports GPT-3.5, GPT-4 Turbo, GPT-4o, GPT-4o-mini, and GPT-4 on both free and Pro tiers. The free tier also supports Llama 3 8B and 70B via Groq API keys and Mistral Large via a Mistral API key. On Pro, Llama 3 and Mistral models are marked as coming soon.
Does SlickGPT support image or vision inputs?
Yes. SlickGPT supports vision for OpenAI models, allowing image analysis within chat conversations when using compatible GPT models.
Do I need an account to use SlickGPT?
User registration is optional on the free BYOK tier. SlickGPT Pro requires registration and login because billing and hosted API access are tied to your account.