Auferet VS https://open-gpt.app/

• Persistent world memory
  Characters, locations, and events kept in dedicated libraries so the world stays consistent across sessions.
• Upload your own lore
  Bring custom worldbuilding documents and the AI uses them in the story through retrieval.
• Real-time multiplayer
  Turn-based co-op so friends can share a single adventure together.
• 5e and Pathfinder 2e modes
  Rule modes with a built-in dice roller for tabletop-style play.
• Automatic tracking
  Inventory, traits, and status effects update on their own as you play.
• Quests and objectives
  Active goals and quests are tracked through the story.
• NPC relationship tracking
  The AI remembers how characters relate to you over time.
• Text-to-speech narration
  Listen to the story read aloud.
• Auto-save and downloadable adventures
  Adventures save on their own and download as files you keep.
• World generation and prebuilt scenarios
  Generate a full starting world in one step or begin from a ready-made scenario.

• Accessible AI Chat Interface
  Provides a user-friendly web-based interface for interacting with GPT-based AI models without needing to set up API access or coding knowledge.
• No Installation Required
  Being a web application, it can be used directly from a browser without downloading or installing any software.
• Potentially Free or Low-Cost Access
  Many GPT wrapper sites like this offer free tiers or lower-cost access compared to official API pricing, making AI chat more accessible to casual users.
• Quick Setup
  Users can typically start chatting almost immediately after visiting the site, with minimal account creation or configuration steps.
• Cross-Platform Compatibility
  Since it runs in a browser, it can be accessed from various devices including desktops, tablets, and smartphones without platform-specific versions.

Possible disadvantages

• Uncertain Reliability
  Third-party GPT wrapper websites often depend on underlying API access that can be unstable, rate-limited, or discontinued without notice, affecting consistent availability.
• Data Privacy Concerns
  Using an unofficial third-party service to process conversations raises questions about how user data and conversation history are stored, used, or shared.
• Limited Transparency
  It may be unclear which underlying AI model version is being used, how up-to-date it is, or what modifications have been made to the base model's behavior.
• Potential Hidden Costs or Ads
  Free-to-use AI wrapper sites often monetize through ads, premium upsells, or data collection, which may not be clearly disclosed to users upfront.
• Lack of Official Support
  Unlike official AI platforms, unofficial wrapper sites may lack dedicated customer support, regular updates, or accountability if issues arise.