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AI writing tools: ChatGPT vs Google Bard

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AI-powered chatbots have become increasingly prevalent, offering powerful language processing capabilities that can generate human-like content. Two notable examples of these chatbots are ChatGPT, developed by OpenAI, and Google’s Bard.

While these chatbots exhibit impressive capabilities, it is important to understand their underlying technology, limitations and potential risks, before we can appreciate their applications.

Understanding language models

ChatGPT and Google Bard are examples of large language models (LLMs). LLMs are statistical models that predict the next word in a sequence based on previous words. They are typically based on transformer models, which are deep learning models utilising neural networks. These models are trained on massive datasets, resulting in billions of parameters, similar to the neurons and connections in the human brain.

Applications and potential

The potential applications of chatbots like ChatGPT and Google Bard are vast. In a professional context, they can be used for tasks such as:

  1. Generating initial drafts of content based on prompts.
  2. Summarising, condensing, and re-writing information.
  3. Aiding with research and learning by explaining complex concepts in simpler terms.

With great power comes great responsibility. It is crucial to recognise the potential for misuse when employing chatbots like ChatGPT and Google Bard. While they can be incredibly useful, exercising judgement and not relying blindly on their outputs is important. The above use cases should be approached cautiously:

  1. Content generation: Use the generated content as a starting point, but do not copy it verbatim. Always review and paraphrase the output to ensure accuracy and avoid plagiarism.
  2. Summarising and rewriting content: Chatbots can assist in refining and editing content, but always read and paraphrase their output to maintain the intended meaning and style.
  3. Research and learning: Chatbots can provide simplified explanations, but always supplement their output with additional reading and fact-checking. Do not rely solely on their explanations or code refactoring suggestions.

Comparing ChatGPT and Google Bard

ChatGPT and Google Bard have different strengths depending on the task at hand. ChatGPT excels in generating and editing long-form content, demonstrating creativity and expressiveness. 

On the other hand, with its ability to index sites and answer fact-based questions based on current events, Google Bard effectively provides accurate responses. However, both models have limitations in reasoning-based tasks, such as recommending products.

Recognising flaws

AI is not flawless, and neither are these chatbots. Hallucinations, where models confidently respond despite lacking proper training data, can occur. 

Fact-checking becomes critical to ensure the accuracy of their responses. Additionally, the reliance on third-party services and potential privacy concerns should be taken into account when dealing with sensitive or proprietary information. Moreover, biases present in AI models reflect the biases in our human-created datasets, so their responses should be cautiously interpreted rather than taken as fact.


ChatGPT and Google Bard represent powerful AI chatbots that can generate human-like content and assist with various tasks. However, it is important to approach their use responsibly, understanding their limitations and the potential for errors. 

These chatbots should be seen as tools to aid in our work, requiring critical thinking, fact-checking, and human judgement. By harnessing their capabilities while exercising caution, we can leverage these AI advancements to enhance productivity and creativity while avoiding potential pitfalls.

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