| | --- |
| | license: other |
| | language: |
| | - en |
| | metrics: |
| | - code_eval |
| | library_name: transformers |
| | pipeline_tag: text-generation |
| | tags: |
| | - code |
| | inference: false |
| | --- |
| | |
| | # Defog SQLCoder |
| | Defog's SQLCoder is a state-of-the-art LLM for converting natural language questions to SQL queries. |
| |
|
| | [Interactive Demo](https://defog.ai/sqlcoder-demo) | [♾️ Colab](https://colab.research.google.com/drive/1z4rmOEiFkxkMiecAWeTUlPl0OmKgfEu7) | [🐦 Twitter](https://twitter.com/defogdata) |
| |
|
| | ## TL;DR |
| | SQLCoder is a 15B parameter model that slightly outperforms `gpt-3.5-turbo` for natural language to SQL generation tasks on our [sql-eval](https://github.com/defog-ai/sql-eval) framework, and significantly outperforms all popular open-source models. It also significantly outperforms `text-davinci-003`, a model that's more than 10 times its size. |
| |
|
| | SQLCoder is fine-tuned on a base StarCoder model. |
| |
|
| | ## Results |
| | | model | perc_correct | |
| | |-|-| |
| | | gpt-4 | 74.3 | |
| | | defog-sqlcoder | 64.6 | |
| | | gpt-3.5-turbo | 60.6 | |
| | | defog-easysql | 57.1 | |
| | | text-davinci-003 | 54.3 | |
| | | wizardcoder | 52.0 | |
| | | starcoder | 45.1 | |
| | |
| | ## License |
| | The model weights have a `CC BY-SA 4.0` license. The TL;DR is that you can use and modify the model for any purpose – including commercial use. However, if you modify the weights (for example, by fine-tuning), you must open-source your modified weights under the same `CC BY-SA 4.0` license terms. |
| | |
| | ## Training |
| | Defog was trained on 10,537 human-curated questions across 2 epochs. These questions were based on 10 different schemas. None of the schemas in the training data were included in our evaluation framework. |
| | |
| | Training happened in 2 phases. The first phase was on questions that were classified as "easy" or "medium" difficulty, and the second phase was on questions that were classified as "hard" or "extra hard" difficulty. |
| | |
| | The results of training on our easy+medium data were stored in a model called `defog-easy`. We found that the additional training on hard+extra-hard data led to a 7 percentage point increase in performance. |
| | |
| | ## Results by question category |
| | We classified each generated question into one of 5 categories. The table displays the percentage of questions answered correctly by each model, broken down by category. |
| | | query_category | gpt-4 | defog-sqlcoder | gpt-3.5-turbo | defog-easy | text-davinci-003 | wizard-coder | star-coder | |
| | |-|-|-|-|-|-|-|-| |
| | | group_by | 82.9 | 77.1 | 71.4 | 62.9 | 62.9 | 68.6 | 54.3 | |
| | | order_by | 71.4 | 65.7 | 60.0 | 68.6 | 60.0 | 54.3 | 57.1 | |
| | | ratio | 62.9 | 57.1 | 48.6 | 40.0 | 37.1 | 22.9 | 17.1 | |
| | | table_join | 74.3 | 57.1 | 60.0 | 54.3 | 51.4 | 54.3 | 51.4 | |
| | | where | 80.0 | 65.7 | 62.9 | 60.0 | 60.0 | 60.0 | 45.7 | |
| | |
| | ## Using SQLCoder |
| | You can use SQLCoder via the `transformers` library by downloading our model weights from the HuggingFace repo. We have added sample code for inference [here](./inference.py). You can also use a demo on our website [here](https://defog.ai/sqlcoder-demo), or run SQLCoder in Colab [here](https://colab.research.google.com/drive/13BIKsqHnPOBcQ-ba2p77L5saiepTIwu0#scrollTo=ZpbVgVHMkJvC) |
| | |
| | ## Hardware Requirements |
| | SQLCoder has been tested on an A100 40GB GPU with `bfloat16` weights. You can also load an 8-bit quantized version of the model on consumer GPUs with 20GB or more of memory – like RTX 4090, RTX 3090, and Apple M2 Pro, M2 Max, or M2 Ultra Chips with 20GB or more of memory. |
| | |
| | ## Todo |
| | |
| | - [x] Open-source the v1 model weights |
| | - [ ] Train the model on more data, with higher data variance |
| | - [ ] Tune the model further with Reward Modelling and RLHF |
| | - [ ] Pretrain a model from scratch that specializes in SQL analysis |
