Lofin is a free, independently run AI playground. Chat with, compare, and
battle 80+ third-party AI models side by side in one interface. Start instantly
with no sign-up; sign in free to unlock every mode.
Direct — one-on-one chat with a model of your choice.
Battle — two anonymous models answer the same prompt; you vote.
Side by Side — compare two named models on one prompt.
Agent — a chat mode built for tool-using workflows, with an optional live web search.
Image — generate images from a text prompt, or edit one you upload.
Lofin is a multi-model AI chat playground. Use Direct, Battle, Side by Side, Agent, Image, and Text to Speech modes; compare available models; or deploy your own Cloudflare Worker so provider keys stay under your control.
Start here
Using Lofin — modes, sign-in, projects, memory, web search, and keyboard shortcuts.
Model catalog — model capabilities, context lengths, streaming support, and access requirements.
Providers — which services run the available models and how Lofin connects to them.
Deploy your own Worker — configure secrets, CORS, optional access protection, image generation, and deployment.