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OpenMOSSImage model

MOSS-Image-Base

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Summary

MOSS-Image-Base is an image model from OpenMOSS. The official Diffusers pipeline uses 50 steps; the API negative prompt is empty by default.

Head-to-head comparisons

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All specifications

Architecture

Parameters
5B
Source: Parameters

Licence and access

Weights
Open weights
Source: Weights
Access
Local
Source: Access

Further details

Checkpoint
OpenMOSS-Team/MOSS-Image-Base
Source: Checkpoint
Local inference
Official Diffusers pipeline; 50 steps. The API negative prompt defaults to empty.
Source: Local inference
Checkpoint role
Base checkpoint without post-training, also intended as a starting point for fine-tuning.
Source: Checkpoint role
License
Apache-2.0 according to the model card.
Source: License
Hosted access
A MOSI platform listing is documented. API terms and prompt handling were not verified.
Source: Hosted access

Sources and data date

TypeEvidence and data date
Additional sourceOpenMOSS (retrieved November 1, 2026)12
Additional sourceOpenMOSS (retrieved November 1, 2026) · OpenMOSS · Editorial description reviewed November 1, 2026