
ChatGPT
OpenAI’s AI assistant for conversation, writing, coding and search, with file, image and research features depending on access and plan.
An AI model provider with web, app and API access for conversation, reasoning and development tasks, with separate access and billing terms.
DeepSeek provides AI models through web, app and API entry points. A recent official release confirms model availability in the app and web service, with API access for developers.
API billing is separate from chat access. The homepage produced a client-side error during this review; current chat allowances remain unverified. This does not establish that the service is unavailable. Confirm current access and pricing through official channels.
Public-source review; accounts and APIs were not tested. Checked 18 October 2026. Sources: official site and release notes.



