Changelog

Stay up to date with the latest features and updates to the Hi3D API.

August 19, 2026

Model Parameters Feature

• Image to 3D: added the hi3dv3.0 model and 2048quality and 2048master resolution values.
• Image to 3D Relief: added base to model_type, the height_relief parameter, and 6=bmp to format.

August 04, 2026

Feature Parameters Format

• Image to 3D: supports shading parameter; adding 3mf to the format parameter.
• Image to 3D Relief: supports degree_rmbg, shape_base, thickness_base, width, sculpmode; adding stl, glb, 3mf to the format parameter.
• 3D Model Split: adding pin to the joint parameter; supports merge parameter; adding stl, glb, 3mf to the format parameter.
• 3D Model Multicolor: adding 3mf to the format parameter.

July 15, 2026

Feature MultiColor Model

• Added the 3D Model Multicolor API.

Jun 9, 2026

Feature Split Character Model Split General Model

• Rename the Segmentation api to Split api.
• Split api has been added model parameters. Supported values: character, general.
• Split api has been added character_level parameters. Supported values: a, b, c, d, e, f.
• Split api has been added character_joint parameters. Supported values: ball, dovetail.
• model_character currently only supports GLB format.

Apr 29, 2026

Feature Depth Map Model Segmentation Model

• Added two new APIs: Depth Map Model and Segmentation Model.
• The API credit costs for these new models have been updated on the product pricing page.

Apr 17, 2026

V2.1 Model V2.1 Portrait Model Pricing

• The API of Image to 3D has added the hitem3dv2.1 and scene-portraitv2.1 models.
• The resolution of Image to 3D has been updated with the following values for hitem3dv2.1: 1536fast and 1536pro; and for scene-portraitv2.1: 1536profast and 1536pro.
• The API of Image to 3D now includes a PBR toggle option.
• The API credit costs have been updated on the product pricing page.