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Heimdallm
Marketplace/Model library
HiDream-aiReleased May 10, 2026

HiDream-ai: HiDream O1 Image

hidream-ai/hidream-o1-imageHugging FaceImagecomfyuidiffusion-single-fileimage-text-to-imageimage-text-to-textqwen3_vl

Per output image
$0.0020 – $0.0029
Per output image
Prompt limit
8K
Largest endpoint
Sizes
≤4.19 MP · 256–2048px · ×16
Pixel budget, edge range, grid
Modality
Text + Image → Image
textimage

Reference inputs & limits

Accepted uploads and guidance from each provider. Limits apply to one generation.

ImpCC · image generation · up to 1 file · 20 MiB total

image as reference (up to 1) · image/png, image/jpeg, image/webp

One image guides an edit; describe the desired changes in the prompt. Reference images must contain at most 16,777,216 pixels and are fitted to the output shape with padding. Edits sample at native resolution before resizing to the requested output size, so they take longer than small text-only renders.

Providers

Live endpoints for this model. Response is the time from request to result; uptime is measured over the last day and week. Nothing here streams, so there is no first token to time and no token rate to report.

ProviderPrompt limitSizesPer output imageResponseCapacityUptime 1dUptime 7dHealthData
Consensus Protocolbf1690% offUS1K≤4.19 MP · 256–2048px · ×16$0.002011.8s30m16/16 free100.0%100.0%HealthyZDR
ImpCCbf1690% offCA8K≤4.19 MP · 1024–3104px · ×32$0.002922.4s30m1/1 free100.0%99.9%HealthyZDR

Pricing

USD per output image.

ProviderPer output image
Consensus Protocolbf1690% off$0.0020
ImpCCbf1690% off$0.0029

Price history

Price · USD per output image

Performance

Percentiles cover the labelled window: the last 30 minutes when it has enough samples, otherwise the last day. Response is the time in seconds from request to result. This model answers whole rather than streaming, so there is no first token to time and no rate between tokens to report — response time is the whole measurement there is.

ProviderResponse p50p75p90p99
Consensus Protocolbf1611.8s30m12.3s22.9s22.9s
ImpCCbf1622.4s30m46.0s61.8s61.8s

Uptime

Share of successful requests and probes over the last day and week.

  • Consensus Protocolbf16
    1d 100.0%7d 100.0%Healthy
  • ImpCCbf16
    1d 100.0%7d 99.9%Healthy

Availability by hour · last 7 days

Share of successful requests and probes per hour and provider. The line spans hours with nothing to measure; where samples are sparse, a dot marks each hour actually measured.

Activity

Image requests and megapixels per UTC day over the last 30 days. Every billed request counts, the platform's own paid probe traffic included.

Image requests14.2Klast 30 days
Megapixels10.8Klast 30 days
Quickstart
curl https://api-staging.impossiblecarrot.cc/api/v1/images \  -H "Authorization: Bearer $HEIMDALL_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "model": "hidream-ai/hidream-o1-image",    "prompt": "a brass compass on a nautical chart, morning light",    "size": "1024x1024"  }' | jq -r '.data[0].b64_json' | base64 -d > out.png

Set HEIMDALL_API_KEY to a key from your account. See the quickstart for routing suffixes and provider preferences.

About

Place the files in the following folders:

Author
HiDream-ai
Family
hidream-ai/hidream-o1-image
Parameters
denoise (0–1), guidance_scale (0–100), input_references (list), n (1–4), negative_prompt (any value), quality (standard, hd), sampler (45 choices), scheduler (9 choices), seam_smoothing (object), seam_smoothing_enabled (true/false), seed (0–2147483647), size (any value), steps (1–50)
Licence
mit
Size
—
Tokenizer
—
Available until
—

From the model card

What the repository states about these weights, read from Comfy-Org/HiDream-O1-Image on Oct 11, 2026.

Languages
—
Papers
—
Datasets
—
Revision
377ec71Sep 23, 2026
Downloads
90.1K
Likes
81
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