HiDream O1 image model now on RouterPlus at $0.003 per megapixel

HiDream O1 joined the RouterPlus catalog on November 9, 2026, served by MachGen. It is the 8B image model HiDream.ai open-sourced on May 8, 2026 under the MIT license. HiDream.ai built it as a pixel-level unified transformer with no separate VAE or text encoder.

What changed

• New RouterPlus model ID: machgen/hidream-o1-image, on POST /v1/images/generations in the OpenAI Images API format.
• Price: $0.003 per megapixel of output image, billed at the cost MachGen reports.
• Sizes: 1024x1024 (default), 1024x768, 1024x1808, 2048x1536 and 2048x2048. One image per request.
• Text in, image out. Optional seed and enhance_prompt parameters.

Pricing on RouterPlus

RouterPlus catalog, November 10, 2026:

What to do

curl https://api.routerplus.com/v1/images/generations \
  -H "Authorization: Bearer $ROUTERPLUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "machgen/hidream-o1-image", "prompt": "A lighthouse on a cliff at dusk"}'

Sizes, parameters and live prices are on the HiDream O1 model page. More image models: MachGen on RouterPlus.

Sources

1. RouterPlus model catalog (November 10, 2026)
2. Hugging Face: HiDream-ai/HiDream-O1-Image
3. HiDream.ai: HiDream-O1-Image technical report