otherLLM360/MegaMathmathpretrainingllmcodereasoningcommon-crawlsynthetic-dataparquet

MegaMath: 300B+ Token Open Math Pretraining Corpus

Name: MegaMath: 300B+ Token Open Math Pretraining Corpus
Creator: DataBazaar
Keywords: LLM360/MegaMath, math, pretraining, llm, code, reasoning, common-crawl, synthetic-data, parquet

About this data

Largest open math-focused pretraining dataset (300B+ tokens) from LLM360, curated from Common Crawl, code, and synthetic sources for training math-capable LLMs.

Schema

Name	Type	Description
text	VARCHAR
id	VARCHAR
lang	VARCHAR
lang_score	DOUBLE
url	VARCHAR
timestamp	VARCHAR
cc-path	VARCHAR
domain	VARCHAR
math_score	DOUBLE

Sample Data

Preview a sample of the data before downloading.

Free

Open dataset

Quality: No ratings

1 downloads

Seller: DataBazaar

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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: "MegaMath: 300B+ Token Open Mat" })
// Found: 54456add-431c-4c9e-a14d-2519191ad435
get_download_url({ dataset_id: "54456add-431c-4c9e-a14d-2519191ad435" })  // free — no API key needed

Via REST API

# Free dataset — no API key required:
curl https://api.databazaar.io/datasets/54456add-431c-4c9e-a14d-2519191ad435/download-url