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README.md

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+---
+license: other
+language:
+- en
+pipeline_tag: text-generation
+tags:
+- code
+---
+# 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/) | [🤗 HF Repo](https://huggingface.co/defog/sqlcoder2) | [♾️ Colab](https://colab.research.google.com/drive/1z4rmOEiFkxkMiecAWeTUlPl0OmKgfEu7?usp=sharing) | [🐦 Twitter](https://twitter.com/defogdata)
+
+## TL;DR
+SQLCoder is a 15B parameter model that 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. When fine-tuned on a given schema, it also outperforms `gpt-4`
+
+SQLCoder is fine-tuned on a base StarCoder model.
+
+## Results on novel datasets not seen in training
+| model   | perc_correct |
+|-|-|  
+| gpt4-2023-10-04    | 82.0 |
+| defog-sqlcoder2    | 77.5 |
+| gpt4-2023-08-28    | 74.0 |
+| defog-sqlcoder-7b  | 71.0 |
+| gpt-3.5-2023-10-04 | 66.0 |
+| claude-2           | 64.5 |
+| gpt-3.5-2023-08-28 | 61.0 |
+| claude_instant_1   | 61.0 |
+| text-davinci-003   | 52.5 |
+
+## License
+The code in this repo (what little there is of it) is Apache-2 licensed. The model weights have a `CC BY-SA 4.0` license, with additional responsible use restrictions added. 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 license terms.
+
+## Training
+Defog was trained on more than 20,000 human-curated questions. These questions were based on 10 different schemas. None of the schemas in the training data were included in our evaluation framework. 
+
+You can read more about our [training approach](https://defog.ai/blog/open-sourcing-sqlcoder2-7b/) and [evaluation framework](https://defog.ai/blog/open-sourcing-sqleval/).
+
+## 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 |   sqlcoder2-15b |   sqlcoder-7b |   gpt-3.5 |   claude-2 |   claude-instant |   gpt-3 |
+|:-----------------|--------:|----------------:|--------------:|----------:|-----------:|-----------------:|--------:|
+| date             |    72   |            80   |          64   |      68   |       52   |             48   |    32   |
+| group_by         |    91.4 |            82.9 |          82.9 |      77.1 |       71.4 |             71.4 |    71.4 |
+| order_by         |    82.9 |            77.1 |          74.3 |      68.6 |       74.3 |             74.3 |    68.6 |
+| ratio            |    80   |            74.3 |          54.3 |      37.1 |       57.1 |             45.7 |    25.7 |
+| join             |    82.9 |            74.3 |          74.3 |      71.4 |       65.7 |             62.9 |    57.1 |
+| where            |    80   |            77.1 |          74.3 |      74.3 |       62.9 |             60   |    54.3 |
+
+## Using SQLCoder
+You can use SQLCoder via the `transformers` library by downloading our model weights from the Hugging Face repo. We have added sample code for [inference](https://github.com/defog-ai/sqlcoder/blob/main/inference.py) on a [sample database schema](https://github.com/defog-ai/sqlcoder/blob/main/metadata.sql). 
+```bash
+python inference.py -q "Question about the sample database goes here"
+
+# Sample question:
+# Do we get more revenue from customers in New York compared to customers in San Francisco? Give me the total revenue for each city, and the difference between the two.
+```
+
+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 and 4-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
+- [x] 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

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