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ChatGPT Projects retain chats, files, and instructions as project context, while broader memory availability depends on settings and workspace policy.

Claude can search and reuse context from previous conversations for paid-plan users where chat search and memory are available.

Perplexity stores project-scoped memories, while Computer also documents persistent context across sessions.

Devin Desktop exposes memories and rules for reusable project context; exact persistence depends on configuration.

Replit checkpoints preserve Agent conversation context, project state, environment configuration, and Agent memory.