ChatGPT memory vs Substrate: when the built-in memory is enough
An honest comparison by Substrate: when ChatGPT's built-in memory is enough, when it isn't, and how ChatGPT connects to Substrate as a custom MCP connector.
Claude's built-in memory vs Substrate: is the built-in memory enough?
Claude's built-in memory vs Substrate, written by Substrate: when the built-in memory is enough, when it isn't, and a three-question test.
Supermemory alternatives: Substrate vs Supermemory, where each wins
Substrate and Supermemory are different products. Where each one wins, plus pricing, MCP, Claude Code and open source, checked November 2026.
Zep alternatives: Substrate vs Zep, where each one wins
An honest comparison of Substrate and Zep by Substrate: pricing, open source, agents and sources, and when to choose each.
Mem0 alternatives: Substrate vs Mem0, where each one wins
An honest comparison of Substrate and Mem0 by Substrate: pricing, open source, agents and sources, a benchmark with caveats, and when to choose each.