image model · by HiDream.ai
Hi-Dream Fast AI Image Generator
Generate state-of-the-art images in seconds with Hi-Dream Fast - HiDream.ai's speed-optimized variant of the 17B-parameter HiDream-I1 foundation model. A sparse Diffusion Transformer with dynamic Mixture-of-Experts architecture, distilled to 14 steps for fast, high-quality output across photorealistic, illustrative, and artistic styles.
Generated with Hi-Dream Fast
A handful of Hi-Dream Fast samples generated inside Fliki. No edits, no post.
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What Hi-Dream Fast brings to Fliki
14-step distilled inference
Hi-Dream Fast generates images in 14 diffusion steps, distilled from the 50-step Full version using a combined DMD (Distribution Matching Distillation) and adversarial training objective. The result is near-Full quality at a fraction of the latency.
17B-parameter foundation model
Hi-Dream Fast inherits the full capacity of the HiDream-I1 family - 17 billion parameters trained for high-fidelity image synthesis. That parameter count is what gives the Fast tier its quality edge over smaller distilled models.
Sparse DiT with dynamic MoE
The architecture is a sparse Diffusion Transformer with a dynamic Mixture-of-Experts layer, which routes computation to the most relevant experts per input. This design lets the model scale to 17B parameters while keeping inference cost manageable.
Multi-style versatility
Hi-Dream Fast handles photorealistic, cartoon, anime, watercolor, oil painting, and illustration styles in a single model. Mention the style explicitly in your prompt and the model adapts.
State-of-the-art benchmark scores
HiDream-I1 ranks among the strongest open-source image models on benchmarks like GenEval, DPG-Bench, and HPSv2.1, outperforming SDXL, DALL-E 3, and Midjourney on photorealistic and stylistic generation in published evaluations.
Strong prompt adherence
The dual-stream encoder design (separate text and image encoders that fuse mid-pipeline) gives Hi-Dream Fast tighter alignment with prompts than single-stream models. Specific lighting, composition, and subject details land more reliably.
Open-source backbone
HiDream-I1 is fully open source with weights available on Hugging Face. On Fliki, you get hosted access through a simple prompt interface - no local GPU or setup required.
Built for real-time creative work
The 14-step variant is designed specifically for real-time applications where the 50-step Full model is too slow. Pair Hi-Dream Fast with Fliki's video generator to take stills directly into motion.
MIT license for commercial use
HiDream-I1 ships under the MIT license, which means weights and outputs are usable in commercial products without revenue thresholds or extra agreements. On Fliki, that license maps to a clean commercial rights story for paid plans - fewer legal questions before you ship a campaign.
How it works
How to generate an image with Hi-Dream Fast
Hi-Dream Fast runs inside Fliki's standard generator. Here's the six-step flow.
Write your prompt
Hi-Dream Fast rewards detailed, specific prompts. Mention subject, environment, lighting, lens or art style, and mood. Stylized work especially benefits from explicit style words (anime, oil painting, watercolor, photorealistic).
Select Hi-Dream Fast as your model
Open Fliki's model selector and choose Hi-Dream Fast. Your prompt routes to HiDream.ai's distilled tier.
Pick your aspect ratio
Choose 1:1, 16:9 or 9:16. Each is composed natively for the destination platform.
Add reference images (optional)
Skip this step - Hi-Dream Fast is a pure text-to-image model and does not accept reference inputs.
Set the resolution
Pick a resolution that matches your final use case. Lower resolutions iterate faster; higher resolutions hold up for final delivery and print.
Generate
Hit Generate. Hi-Dream Fast's 17B sparse DiT plus Mixture-of-Experts architecture runs in 14 diffusion steps and returns output in seconds. Paid plans only.
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Hi-Dream Fast FAQ
Frequently asked questions
Everything you need to know about generating images with Hi-Dream Fast inside Fliki.
What is Hi-Dream Fast?
Hi-Dream Fast is the speed-optimized variant of HiDream.ai's 17B-parameter HiDream-I1 image generation foundation model. It uses a sparse Diffusion Transformer with dynamic Mixture-of-Experts architecture and runs in just 14 diffusion steps versus 50 for the Full version.
Is Hi-Dream Fast free on Fliki?
No. Only Z Image Turbo and Flux 2 Klein are available on Fliki's free plan. Hi-Dream Fast requires a paid subscription.
How fast is Hi-Dream Fast compared to HiDream-I1 Full?
Hi-Dream Fast runs in 14 diffusion steps versus 50 for HiDream-I1 Full - roughly 3-4x faster generation while preserving most of the quality through DMD and adversarial distillation.
What styles does Hi-Dream Fast support?
Photorealistic, cartoon, anime, watercolor, oil painting, illustration, and most artistic styles you'd describe in a prompt. The model is general-purpose by design.
How big is the Hi-Dream model?
Hi-Dream Fast inherits the full 17 billion parameters of the HiDream-I1 base, with a sparse Mixture-of-Experts layer that activates only relevant experts per generation.
Is HiDream-I1 open source?
Yes. HiDream.ai has open-sourced the weights and code for HiDream-I1 (Full, Dev, and Fast) and the related HiDream-E1 editing model under a permissive license. Fliki provides hosted access without local setup.
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Start freeWhen should I use Hi-Dream Fast over the Full version?
Use Hi-Dream Fast for iteration, batch work, and any time you need quick turnaround. Use the Full version when you need maximum fidelity and can afford 3-4x longer generation time. On Fliki, the Fast variant is the practical choice for most workflows.
How does Hi-Dream Fast compare to Flux 2 Klein?
Hi-Dream Fast is built on a larger 17B parameter base with a sparse DiT+MoE architecture, optimized for photoreal and stylistic range. Flux 2 Klein is smaller (4B/9B) and unifies generation with editing, with sub-second inference. Pick Hi-Dream Fast for photoreal range; pick Flux 2 Klein for editing or real-time workflows.
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