Build an AI memory layer that works across ChatGPT, Claude, and Gemini
The Problem
Heavy AI users switching between ChatGPT, Claude, and Gemini lose months of context, with lock-in as the top migration blocker per industry analyses. No fully portable memory solution exists that seamlessly injects context across all three without gaps in compatibility or recall quality. Users currently spend $20/month on ChatGPT Plus for per-tool memory and up to $40/month on premium Claude plans, yet still face workflow disruptions.
Core Insight
Universal memory layer with superior cross-platform injection (all major AIs), combining bucket-selective control, semantic/episodic recall, and continuous capture to fill gaps in competitors' limited compatibility and memory depth.
- Target Customer
- Indie hackers and solo founders using multiple AIs for coding, research, and workflows (millions of ChatGPT/Claude/Gemini users, with 100k+ paying subscribers per tool as of 2026 benchmarks)
- Revenue Model
- Tiered subscription at $19-29/month (undercutting MemSync at $49, matching myNeutron/ChatGPT), with free tier for basic sync and Pro for unlimited buckets/API access
Competitive Landscape
$29/month for Pro plan (inferred from 2026 market standards; exact pricing not detailed in source)
Limited to specific memory types like bucket systems, lacking advanced dual-layer semantic and episodic recall for nuanced context retrieval. Does not emphasize continuous browser-based capture for online activities.
$49/month for premium research features (inferred from feature tiering)
Narrower platform support, focusing primarily on ChatGPT, Claude, and Grok without full Gemini or Perplexity compatibility. Prioritizes research-grade features over broad inline injection control.
$19/month for full knowledge network access
Chrome-only browser extension limits portability across devices and non-browser AI interfaces. Relies on passive online capture without selective bucket-based or API-driven control.
$15/month via API/subscription
Lightweight design focuses on specific facts rather than comprehensive long-term or multimodal memory types. Lacks native semantic/episodic depth and bucket organization for complex workflows.
$20/month (GPT-5 access)
Proprietary to ChatGPT only, causing complete context loss when switching to Claude or Gemini; no cross-platform portability despite strong per-chat persistence.
Willingness to Pay
- $20/month
ChatGPT's memory feature is magical for everyday answers.
https://creatoreconomy.so/p/chatgpt-vs-claude-vs-gemini-the-best-ai-model-for-each-use-case-2025
- $20-40/month premium
Claude 4 Sonnet costs 20x Gemini 2.5 Flash, but worth the premium for coding.
https://creatoreconomy.so/p/chatgpt-vs-claude-vs-gemini-the-best-ai-model-for-each-use-case-2025
- $20/month
GPT-5 access: $20/month; Gemini Advanced: $19.99/month.
https://www.digitalocean.com/resources/articles/claude-alternatives
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