# lambada_openai by EleutherAI: AI Training Dataset
Source: https://savrn.com/datasets/lambada-openai
Markdown alternate of the page above; the site index is https://savrn.com/llms.txt

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## Dataset Card

By EleutherAI, published under mit, revision 900124bf3b82.

### Dataset Description

- Repository: [openai/gpt2](https://github.com/openai/gpt-2)
- Paper: Radford et al. [Language Models are Unsupervised Multitask Learners](https://d4mucfpksywv.cloudfront.net/better-language-models/language-models.pdf)

#### Dataset Summary

This dataset is comprised of the LAMBADA test split as pre-processed by OpenAI (see relevant discussions [here](https://github.com/openai/gpt-2/issues/131#issuecomment-497136199) and [here](https://github.com/huggingface/transformers/issues/491)). It also contains machine translated versions of the split in German, Spanish, French, and Italian.

LAMBADA is used to evaluate the capabilities of computational models for text understanding by means of a word prediction task. LAMBADA is a collection of narrative texts sharing the characteristic that human subjects are able to guess their last word if they are exposed to the whole text, but not if they only see the last sentence preceding the target word. To succeed on LAMBADA, computational models cannot simply rely on local context, but must be able to keep track of information in the broader discourse.

#### Languages

English, German, Spanish, French, and Italian.

#### Source Data

[Read the full dataset card (293 words)](https://savrn.com/datasets/lambada-openai/card)

## Structure

### default 5,153 rows

| Split | Rows | Size |
| --- | --- | --- |
| test | 5,153 | 1.7 MB |

textstring

### de 5,153 rows

| Split | Rows | Size |
| --- | --- | --- |
| test | 5,153 | 1.9 MB |

textstring

### en 5,153 rows

| Split | Rows | Size |
| --- | --- | --- |
| test | 5,153 | 1.7 MB |

textstring

### es 5,153 rows

| Split | Rows | Size |
| --- | --- | --- |
| test | 5,153 | 1.8 MB |

textstring

### fr 5,153 rows

| Split | Rows | Size |
| --- | --- | --- |
| test | 5,153 | 1.9 MB |

textstring

### it 5,153 rows

| Split | Rows | Size |
| --- | --- | --- |
| test | 5,153 | 1.8 MB |

textstring

## Details

Repository

EleutherAI/lambada_openai

Publisher

EleutherAI

Task category

Not stated by the source

Tags

Not stated by the source

Size category

1K<n<10K

Languages

de, en, es, fr, it

Revision

900124bf3b8235c6daf21033af9948b3f07346c4

Last updated

2025-07-10

## Files

16 files, 18.8 MB in total.

Data14 files · 18.8 MB

Documentation1 file · 5.5 KB

Repository1 file · 2.7 KB

Every file

| File | Type | Size | SHA-256 |
| --- | --- | --- | --- |
| data/lambada_test.jsonl | Data | 1.8 MB | 4aa8d02cd17c |
| data/lambada_test_de.jsonl | Data | 2.0 MB | 51c6c1795894 |
| data/lambada_test_en.jsonl | Data | 1.8 MB | 4aa8d02cd17c |
| data/lambada_test_es.jsonl | Data | 1.9 MB | ffd760026c64 |
| data/lambada_test_fr.jsonl | Data | 2.0 MB | 941ec6a73dba |
| data/lambada_test_it.jsonl | Data | 1.9 MB | 866542377167 |
| de/test/de.parquet | Data | 1.3 MB | b229b3828eb8 |
| default/test/default.parquet | Data | 1.2 MB | 99d8a9e54cda |
| en/test/en.parquet | Data | 1.2 MB | 99d8a9e54cda |
| es/test/es.parquet | Data | 1.2 MB | 20f22fc14177 |
| fr/test/fr.parquet | Data | 1.3 MB | 1bdbedfcdbc9 |
| it/test/it.parquet | Data | 1.2 MB | f187d9036e68 |
| lambada_openai.txt | Data | 4.8 KB | — |
| translation_script.txt | Data | 1.7 KB | — |
| README.md | Documentation | 5.5 KB | — |
| .gitattributes | Repository | 2.7 KB | — |

## License and Download

License

mit

Access

No access gate

[Download from EleutherAI](https://huggingface.co/datasets/EleutherAI/lambada_openai)

Released by EleutherAI through its official repository on Hugging Face. [Read the license](https://opensource.org/license/mit).

## EleutherAI

[All models and datasets](https://savrn.com/model-publishers/eleutherai)

## Explore More

- [The dataset directory](https://savrn.com/datasets)
- [The model directory](https://savrn.com/models)
- [Research papers](https://savrn.com/papers)

## Source

- Repository metadata, read 2026-10-19.
- [EleutherAI website](https://www.eleuther.ai/)
- [Hugging Face record](https://huggingface.co/datasets/EleutherAI/lambada_openai)
- [How the hub is built](https://savrn.com/model-hub/methodology)
