MemPalace vs. past.dev Comparison


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About MemPalace is a local-first storage and retrieval system for AI workflows, built to give AI a memory while keeping the user’s words under their own control. It stores conversations verbatim instead of reducing them to summaries, then organizes that memory into a navigable “palace” structure inspired by the ancient memory palace technique. Conversations can be arranged into wings for people, projects, or topics, with rooms and drawers used to make information easier to locate, narrow, and retrieve later. It is designed for people who believe their words are theirs, with local-first storage, zero telemetry, and a privacy-focused approach that keeps memory on the user’s machine. MemPalace supports AI workflows through MCP tooling, including tools for palace reads and writes, knowledge-graph operations, cross-wing navigation, drawer management, and agent diaries.	About past.dev is a long-term memory API for developers building AI agents and applications. Applications send timestamped text from conversations, email, meetings, support records, CRM notes, and documents; the service derives memories and returns ranked results with dates and excerpts from the source data. Its API supports ingestion, batch ingestion, recall, deletion, project and identity management, audience-based access controls, and webhooks. Developers can connect through JSON endpoints or authenticated Model Context Protocol servers, and install companion plugins for Claude Code, Codex, Cursor, JetBrains IDEs, and Hermes Agent. The managed cloud service offers a console for API keys, usage, and request logs; enterprise deployments can run in a customer's AWS, Google Cloud, or Azure account. It is aimed at software teams adding persistent, source-grounded memory to AI agents and other applications.
Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience AI users and developers that want to preserve conversations locally and give AI assistants searchable, persistent long-term memory	Audience Developers and product teams building AI agents or applications that need persistent, source-grounded memory, including teams integrating through an API, MCP, or coding-agent plugins.
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported
API Offers API Supported	API Offers API Supported
Screenshots and Videos View more images or videos	Screenshots and Videos No images available
Pricing Free Free Version Supported Free Trial Not Supported	Pricing $99/month Pay as you go is $0/month and starts with 150,000 credits, or 400,000 credits with a work email. Additional credits start at $30 for 100,000 credits. Flex is $99/month and includes 400,000 credits, unlimited recall, five projects, and 30-day credit rollover; additional credits start at $30 for 100,000 credits. Enterprise pricing is custom and starts at 5,000,000 credits per month. Free Version Supported Free Trial Not Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software

Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information MemPalace United States mempalaceofficial.com	Company Information past.dev Founded: 2025 United States past.dev/
Alternatives claude-mem cmem.ai	Alternatives Hindsight Vectorize
CMEM Cloud cmem.ai	Letta
Hindsight Vectorize	Mem0
Fit Learn	EverOS EverMind
MRI Palace MRI Software View All	MemClaw Caura AI View All
Categories AI Memory Layers Supported	Categories AI Memory Layers Supported

Integrations Claude Supported Claude Code Supported Cursor Supported Hermes Agent Supported Model Context Protocol (MCP) Supported OpenAI Codex Supported Aider Supported Antigravity CLI Supported Claude Desktop Supported Codex CLI Supported Factory Droid Supported Gemini CLI Supported GitHub Copilot Not Supported Google Antigravity Supported JetBrains Junie Not Supported Kimi Code Supported Kiro Supported OpenClaw Supported OpenCode Supported Visual Studio Code Not Supported Show More Integrations View All 20 Integrations	Integrations Claude Supported Claude Code Supported Cursor Supported Hermes Agent Supported Model Context Protocol (MCP) Supported OpenAI Codex Supported Aider Not Supported Antigravity CLI Not Supported Claude Desktop Not Supported Codex CLI Not Supported Factory Droid Not Supported Gemini CLI Not Supported GitHub Copilot Supported Google Antigravity Not Supported JetBrains Junie Supported Kimi Code Not Supported Kiro Not Supported OpenClaw Not Supported OpenCode Not Supported Visual Studio Code Supported Show More Integrations View All 9 Integrations
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