Custom GPTs, Claude Projects, Character.AI, and Skill2Web are not interchangeable products. These concise comparisons start with the job you need to do, then show where each option is honestly the better fit.
Skill2Web is built for compatible Skills in public GitHub repositories: check first, convert to a source-grounded web app, and choose private or reviewed-public visibility.
Choose the comparison closest to your workflow
Custom GPT alternative
Compare a tailored GPT experience inside ChatGPT with a source-grounded web app converted from an Agent Skill.
Start here if: you are deciding between staying inside ChatGPT and publishing a Skill-based web experience.