textMizzenAI/HPDv3human-preferencetext-to-imagerlhfreward-modeldiffusioniccv-2025preference-learningt2imit-license

HPDv3 — Human Preference Dataset v3 (1.08M text-image pairs)

Name: HPDv3 — Human Preference Dataset v3 (1.08M text-image pairs)
Creator: DataBazaar
Keywords: MizzenAI/HPDv3, human-preference, text-to-image, rlhf, reward-model, diffusion, iccv-2025, preference-learning, t2i, mit-license

About this data

Wide-spectrum human preference dataset for text-to-image generation: 1.08M text-image pairs and 1.17M pairwise human preference annotations. MIT-licensed, used to train HPSv3 (ICCV 2025) reward models.

Schema

Name	Type	Description
prompt	VARCHAR	Text description used to generate the paired images.
choice_dist	BIGINT[]	Array of annotator preference counts for each image in the pair (null if unavailable).
confidence	DOUBLE	Annotator confidence score for the preference judgment (0–1 scale, null if unavailable).
path1	VARCHAR	File path to the first generated image in the comparison pair.
path2	VARCHAR	File path to the second generated image in the comparison pair.
model1	VARCHAR	Name of the text-to-image model that generated the first image.
model2	VARCHAR	Name of the text-to-image model that generated the second image.

Sample Data

Preview a sample of the data before downloading.

Free

Open dataset

Quality: No ratings

0 downloads

Seller: DataBazaar

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Via MCP Server

# 1. Add to your agent's MCP config (claude_desktop_config.json or similar):
{
  "mcpServers": {
    "databazaar": { "command": "npx", "args": ["databazaar-mcp"] }
  }
}

# 2. Your agent can then call:
search_datasets({ query: "HPDv3 — Human Preference Datas" })
// Found: 24552bae-e4d9-4097-9f81-f7ad484e8b78
get_download_url({ dataset_id: "24552bae-e4d9-4097-9f81-f7ad484e8b78" })  // free — no API key needed

Via REST API

# Free dataset — no API key required:
curl https://api.databazaar.io/datasets/24552bae-e4d9-4097-9f81-f7ad484e8b78/download-url