ReLLM provides permission-aware context, which can be used in applications with large language models (such as ChatGPT). By providing the user's long-term memory to ChatGPT, it enables a more natural conversational experience. ReLLM also handles communication and message chaining with ChatGPT, ensuring data security. Only data that the user has access to is provided. Data is stored encrypted, and decrypted only when in use. Pricing details can be found on the official website.