vllm-project/vllm-omni

[New Model]: HiDream-O1-Image

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#3,733 opened on May 19, 2026

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help wantednew model

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Description

The model to consider.

https://huggingface.co/HiDream-ai/HiDream-O1-Image

The closest model vllm-omni already supports.

Sensenova-U1

What's your difficulty of supporting the model you want?

No response

Use case and motivation

it's a SOTA t2i open weights model (2026.05.19):https://artificialanalysis.ai/image/leaderboard/text-to-image?open-weights=true

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Contributor guide

Research direction
Study the existing model integration guide in vllm omni, particularly the Sensenova U1 integration, and adapt it for HiDream O1 Image. Investigate the model's architecture, tokenizer, and preprocessing requirements. Implement a new model class following the vllm omni pattern, and test with sample inputs.
Tech stack
python
Domain
backendaimachine learning
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
3-5 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitPython
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40