How do you say im a gummy bear in french?

There isn't a direct translation for "I'm a gummy bear" in French. You could say:

* "Je suis un ours en gélatine" (literally "I am a gelatin bear") which is the most accurate and common way to say it.

* "Je suis un bonbon gélifié" (literally "I am a gelled candy") which is more general but still understandable.

* "Je suis un ours gommeux" (literally "I am a gummy bear") which is a less common but still recognizable translation.

The best option will depend on the context and your desired level of formality.