imagesimage-captioningvision-languagecomputer-visionmultimodalcaptions
Conceptual Captions — 5.3M Image–Caption Pairs
About this data
Millions of web images paired with natural-language captions, harvested and filtered from alt-text descriptions. A large-scale resource for training and evaluating image-captioning and vision-language models.
Schema
| Name | Type | Description |
|---|---|---|
| image_url | VARCHAR | |
| caption | VARCHAR |
Sample Data
Preview a sample of the data before downloading.
Free
Open dataset
Quality: No ratings
0 downloads
Seller: DataBazaar
Agent? No sign-up needed →
For AI Agents
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: "Conceptual Captions — 5.3M Ima" })
// Found: 655229e0-d550-41a7-992f-9eb88be4abd3
get_download_url({ dataset_id: "655229e0-d550-41a7-992f-9eb88be4abd3" }) // free — no API key neededVia REST API
# Free dataset — no API key required: curl https://api.databazaar.io/datasets/655229e0-d550-41a7-992f-9eb88be4abd3/download-url