DeepSeek Coder is a language model project for code generation and programming tasks.
CodeGen
CodeGen provides open-source models for program synthesis and code generation.

About CodeGen
CodeGen is a family of open-source models for program synthesis from Salesforce AI Research. The models are available on the Hugging Face Hub and load with Transformers AutoTokenizer and AutoModelForCausalLM. The release is for research purposes only, and users are advised to evaluate accuracy, safety and fairness before deployment.
Pricing is not clearly stated.
Key features
- CodeGen1 and CodeGen2 models in 350M, 1B, 3B, 7B and 16B sizes
- CodeGen2.0 release with strong infill sampling capability
- CodeGen2.5 release outperforming 16B parameter models with only 7B
- Jaxformer library for data pre-processing, training and fine-tuning
CodeGen at a glance
- Category
- AI & Machine Learning › Models & ML Research
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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