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ctrl by Salesforce

Last Updated on February 16, 2024 by Ivan Cocherga

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CTRL by Salesforce is a Conditional Transformer Language Model designed for controllable text generation. It stands out in the realm of large-scale language models for its unique ability to allow users to direct the style, content, and parameters of the text it generates. This is achieved through the use of control codes, which specify aspects such as domain, subdomain, entities, relationships between entities, and dates.


  • Controllable Generation: CTRL enables precise control over the generated text’s style, content, and parameters using control codes, providing a tailored experience for various applications【5†source】【6†source】【7†source】.
  • Versatile Applications: It is suitable for a range of NLP tasks, including question answering, machine translation, and even creative text generation like stories or news reports, making it highly versatile【5†source】.
  • Source Attribution: CTRL can identify which parts of its training data most influenced a particular generated text sequence, offering insights into the model’s decision-making process【5†source】.
  • Robust Text Generation: The model’s ability to perform zero-shot code-mixing and generate text in specific languages or styles without direct training data in those languages or styles adds to its robustness【6†source】.


  • Resource Intensive: The use of CTRL requires significant computational resources, including a GPU for inference, which might limit its accessibility for some users【6†source】.
  • Complexity in Implementation: Setting up and utilizing CTRL for specific tasks involves a series of steps, including cloning the model, setting up the environment, and understanding the use of control codes, which might present a steep learning curve for some【6†source】.
Alternative Tool  GPT2Markdown

Use Cases:

CTRL is particularly useful in applications requiring high levels of customization in text generation, such as:

  • Creative Writing: Generating narrative texts with specific themes, styles, or genres.
  • Content Creation: Tailoring news articles, reports, or product descriptions to fit certain specifications.
  • Language Translation: Enhancing translation tasks with domain-specific nuances.
  • Question Answering Systems: Creating more contextually relevant and accurate responses in Q&A systems【5†source】【7†source】.


The information on pricing for using CTRL by Salesforce is not directly available in the sources consulted. Typically, access to and use of AI models like CTRL for commercial purposes might involve licensing fees or service charges, depending on the deployment scenario and the level of customization required. Salesforce encourages users to get in touch for more details on using CTRL, suggesting a consultation approach to understand specific needs and pricing【5†source】.

In summary, CTRL by Salesforce offers significant advantages for controlled and customized text generation across a wide range of applications, albeit with considerations for complexity and resource requirements. For those looking to integrate sophisticated NLP capabilities into their systems, CTRL presents a compelling option, especially where control over the generated content’s style and parameters is a priority.

Ivan Cocherga

With a profound passion for the confluence of technology and human potential, Ivan has dedicated over a decade to evaluating and understanding the world of AI-driven tools. Connect with Ivan on LinkedIn and Twitter (X) for the latest on AI trends and tool insights.

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