---
license: apache-2.0
task_categories:
- text-generation
- question-answering
language:
- en
tags:
- finemath
- fineweb
- edu
- pretrain
- pretraining
- web
- reason
- reasoning
- dense
- fine
- fine data
- ultra
- pro
- finemath 3plus
- finemath 4plus
- thought
- thoughts
- think
- thinking
- post train
- posttrain
size_categories:
- 100K<n<1M
---
# DCLM Ultra

**WebMathUltra** is a heavily filtered and deduplicated, improved version of **finemath-3plus**.

It achieves **superior performance** on math benchmarks including arithmark 3.0, and achieving better math loss.

**9M model trained on only finemath-3plus vs WebMathUltra, same architecture, 500 millon tokens.**

| Metric | finemath 3+ | WebMathUltra |
|---|---:|---:|
| Math loss | **2.93** | **2.93** |
| Arithmark 3.0 | 35.30% | **38.70%** |

## Dataset Details

- **Curated by:** AInion
- **Funded by:** ArrowAI
- **Shared by:** MoreThought
- **Language:** english
- **License:** apache 2.0

### Dataset Sources

- **Main Source:** https://huggingface.co/datasets/HuggingFaceTB/finemath
- **Ultra Source:** https://huggingface.co/datasets/Geralt-Targaryen/finemath

## Uses

- PreTraining SLMs on clean, heavily filtered math.
- Continued PreTraining SLMs on clean, heavily filtered math.
- PostTraining LLMs on clean, heavily filtered math.