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  pipeline_tag: text-generation
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  tags:
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  - code
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  pipeline_tag: text-generation
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  tags:
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  - code
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+ ---
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+
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+ # Defog SQLCoder
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+ Defog's SQLCoder is a state of the art LLM for converting natural language questions to SQL queries.
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+ [🤗 HF Repo](https://huggingface.co/defog/sqlcoder) | [♾️ Colab](https://drive.google.com/file/d/13BIKsqHnPOBcQ-ba2p77L5saiepTIwu0/view?usp=sharing) | [🐦 Twitter](https://twitter.com/defogdata)
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+
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+ ## TL;DR
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+ 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.
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+ SQLCoder is fine-tuned on a base StarCoder model.
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+ ## Results
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+ | model | perc_correct |
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+ |-|-|
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+ | gpt-4 | 74.3 |
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+ | defog-sqlcoder | 64.6 |
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+ | gpt-3.5-turbo | 60.6 |
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+ | defog-easysql | 57.1 |
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+ | text-davinci-003 | 54.3 |
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+ | wizardcoder | 52.0 |
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+ | starcoder | 45.1 |
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+
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+ ## Training
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+ 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.
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+ 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. You can read more about the dataset creation and classification process [here](https://defog.ai/blog/defog-sqlcoder-dataset-creation).
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+ 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 adta led to a 7 percentage point increase in performance.
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+ ## Results by question category
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+ We classified each generated question into one of 5 categories. These are the percentage of questions that each model got correct for each category
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+ | query_category | gpt-4 | defog-sqlcoder | gpt-3.5-turbo | defog-easy | text-davinci-003 | wizard-coder | star-coder |
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+ |-|-|-|-|-|-|-|-|
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+ | group_by | 82.9 | 77.1 | 71.4 | 62.9 | 62.9 | 68.6 | 54.3 |
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+ | order_by | 71.4 | 65.7 | 60.0 | 68.6 | 60.0 | 54.3 | 57.1 |
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+ | ratio | 62.9 | 57.1 | 48.6 | 40.0 | 37.1 | 22.9 | 17.1 |
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+ | table_join | 74.3 | 57.1 | 60.0 | 54.3 | 51.4 | 54.3 | 51.4 |
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+ | where | 80.0 | 65.7 | 62.9 | 60.0 | 60.0 | 60.0 | 45.7 |
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+
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+ ## Using SQLCoder
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+ 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), or run SQLCoder in Colab [here](https://colab.research.google.com/drive/13BIKsqHnPOBcQ-ba2p77L5saiepTIwu0#scrollTo=ZpbVgVHMkJvC)
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+
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+ ## Hardware Requirements
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+ 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.
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+
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+ ## Todo
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+ - [x] Open-source the v1 model weights
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+ - [ ] Train the model on more data, with higher data variance
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+ - [ ] Tune the model further with Reward Modelling and RLHF
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+ - [ ] Pretrain a model from scratch that specializes in SQL analysis