COMPARE · CORTEX
Cortex vs ChatGPT
ChatGPT answers as a general model. Cortex answers as a specific person after modeling their judgment and voice. Use ChatGPT for broad tasks; use Cortex when the answer must sound and decide like you.
Different jobs
ChatGPT is built to be helpful across almost any topic.
Cortex is built for fidelity to one person's decision patterns and communication style.
Integration shape
ChatGPT is an assistant you talk to yourself.
Cortex exposes a person through a public chat page, REST, and MCP, so other people and other agents can ask that person specifically.
Build yours
Start at signup, read the canonical reference, or compare approaches.