The One Piece manga is quite a bit ahead. It has been running for a long time and has many story arcs and developments that the anime hasn't caught up to yet.
The manga One Piece is usually a few chapters or arcs ahead of the anime. But this can change depending on the production schedule and story development.
The One Punch Man manga's lead can be difficult to quantify precisely. It could be a few chapters or more, but it's constantly changing based on the production and publication dynamics.
One Punch Man's anime isn't significantly ahead of the manga. They usually stay in sync, with the anime presenting the manga's story visually. Sometimes, there might be small variations for the sake of animation or to fit the episode format, but it's not a major gap.