textopen-r1/OpenR1-Math-220kmathreasoningchain-of-thoughtdeepseek-r1fine-tuningnuminamathllm-trainingenglishapache-2.0
OpenR1-Math-220k: Math Reasoning Traces from DeepSeek R1
About this data
220k math problems with verified DeepSeek R1 reasoning traces, sourced from NuminaMath 1.5. Apache-2.0 licensed dataset for training and evaluating mathematical reasoning models.
Schema
| Name | Type | Description |
|---|---|---|
| problem | VARCHAR | Mathematical problem statement from NuminaMath 1.5 |
| solution | VARCHAR | Reference solution with step-by-step reasoning and derivation |
| answer | VARCHAR | Canonical final answer to the problem |
| problem_type | VARCHAR | Mathematics topic/category (e.g., Combinatorics, Algebra) |
| question_type | VARCHAR | Question format type (e.g., math-word-problem, proof, numeric) |
| source | VARCHAR | Original competition or source within NuminaMath (e.g., aops_forum) |
| uuid | VARCHAR | Unique problem identifier in UUID format |
| is_reasoning_complete | BOOLEAN[] | Boolean flags indicating whether each reasoning trace is complete |
| generations | VARCHAR[] | DeepSeek R1 chain-of-thought reasoning traces (2-4 per problem) |
| correctness_math_verify | BOOLEAN[] | Boolean flags for Math Verify correctness per generation |
| correctness_llama | BOOLEAN[] | Boolean flags for Llama-3 correctness verification per generation |
| finish_reasons | VARCHAR[] | Completion reasons for each generation (e.g., stop, length_limit) |
| correctness_count | BIGINT | Count of generations with verified correct answers |
| messages | STRUCT("content" VARCHAR, "role" VARCHAR)[] | Conversation messages with role (user/assistant) and content text |
Sample Data
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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: "OpenR1-Math-220k: Math Reasoni" })
// Found: 58278a30-aa67-483b-8e52-e5a606f4c4ee
get_download_url({ dataset_id: "58278a30-aa67-483b-8e52-e5a606f4c4ee" }) // free — no API key neededVia REST API
# Free dataset — no API key required: curl https://api.databazaar.io/datasets/58278a30-aa67-483b-8e52-e5a606f4c4ee/download-url