Chat01 AI is a third-party platform that provides free access to advanced AI models like OpenAI o1 and GPT-4o, focusing on complex reasoning and multimodal task handling.
The platform runs on a credits system, with daily free credits; some premium models (such as GPT-4.5) require a paid subscription, and users can also earn extra credits by inviting friends.
Supports the OpenAI o1 series (such as o1-preview), GPT-4o, GPT-4.5, and multiple GPT-5 series models, covering reasoning and multimodal capabilities.
Primarily aimed at researchers, developers, students, and professional content creators who need to tackle complex problems.
Usage is limited by the credit quota; some advanced models require a paid plan, but the platform provides daily free credits and ways to earn additional credits.

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