Index-1.9B-Character is a large language model independently developed by the Index team, focusing on the field of role-playing. It has a parameter scale of 1.9 billion. The model supports users to quickly customize roles through uploading roleplay dialogue data, and has high role consistency, dialogue ability, and role-playing attractiveness. In the authoritative benchmark CharacterEval evaluation, it ranked ninth overall, outperforming models of the same scale.