OpenAI went back in time??? (Testing gpt2-chatbot)

29 Apr 202408:54

TLDRA recent video discusses the emergence of a new AI model, GPT2, on the LMS leaderboard, which has sparked speculation about its origin. The video aims to test and identify the model's capabilities. Initially, it is suggested that GPT2 might be an open-source model from OpenAI or even GPT 4.5 or GPT 5. However, after several tests, including asking the model to define gravity in a unique way and reversing the word 'blueberry', it is concluded that GPT2 is likely based on GPT 4 architecture, but not a significantly advanced version. The chatbot identifies itself as 'Chat GPT', created by OpenAI, designed to assist with various tasks. The video also touches on the model's ability to handle complex instructions and its improvements in conversational abilities. Despite some confusions and errors, GPT2 demonstrates a better understanding of text and fewer biases compared to GPT 3.5. The video invites viewers to test the model themselves and share their experiences.


  • πŸ€– A new chatbot model, referred to as GPT-2, has appeared on the LMS leaderboard, sparking speculation about its origin and capabilities.
  • πŸ† Initial suspicions suggest it might be an open-source model from OpenAI or a newer version such as GPT 4.5 or GPT 5.
  • πŸ” The video aims to test the model's functionality and compare it with GPT-4 to understand its uniqueness.
  • πŸ“ When asked to define gravity in a cooking context, GPT-2 responds with a playful and emoticon-rich answer, indicating a possible difference in training data.
  • 🧐 The chatbot identifies itself as 'Chat GPT,' a language model created by OpenAI, designed to assist with various tasks.
  • πŸ”‘ GPT-2 demonstrates a better understanding of word tokenization and spelling compared to GPT-4, particularly in identifying the number of 'R's in 'blueberry.'
  • 🌟 The model claims to be more knowledgeable, have fewer biases, and be better at conversation than GPT 3.5, although it is based on GPT-4 architecture.
  • πŸ“… The knowledge cutoff date for GPT-2 is stated as 2023, which is used to gauge the model's recency and information currency.
  • πŸ”„ When asked to reverse the word 'blueberry,' GPT-2 correctly reverses it but initially adds an underscore, which it corrects upon clarification.
  • πŸš€ The model suggests it may be an improvement over GPT 3.5 but does not definitively state it is GPT 4.5, leaving its exact version a mystery.
  • πŸ—£οΈ The chatbot apologizes for any confusion and reiterates its basis on GPT-4 architecture without claiming to be GPT 4.5 directly.
  • πŸ” The video concludes that GPT-2, while offering some improvements, does not represent a groundbreaking leap in AI capabilities and is likely a variation of GPT-4.

Q & A

  • What is the speculation about the new AI model gpt2?

    -There are speculations that gpt2 could be a new open-source model from OpenAI or it could be GPT 4.5 or GPT 5.

  • What was the initial conclusion about gpt2 after testing?

    -The initial conclusion was that gpt2 does not appear to be anything other than GPT 4 at this point.

  • How did the chatbot gpt2 respond when asked for its name and identity?

    -Gpt2 chatbot responded that it is 'chat GPT', a language model created by OpenAI, designed to answer questions and provide information.

  • What was the difference in response between gpt2 chatbot and GPT 4 when asked about the number of 'r's in 'blueberry'?

    -GPT 4 made a mistake, while gpt2 chatbot correctly identified that there are only two 'r's in 'blueberry'.

  • How did the chatbot handle the task of reversing the word 'blueberry'?

    -Both models successfully reversed the word 'blueberry', with gpt2 chatbot initially adding an underscore, which it then corrected after being prompted.

  • What did the chatbot claim about its capabilities compared to GPT 3.5?

    -The chatbot claimed to be better than GPT 3.5, providing reasons for its superiority but referring to itself as a model based on GPT 4.

  • What is the significance of the chatbot's claim to be 'based on GPT 4 architecture'?

    -This suggests that while the chatbot has capabilities similar to GPT 4, it may not be GPT 4.5 or GPT 5, but rather a variation or an updated version of GPT 4.

  • What was the chatbot's response when asked why it compared itself to GPT 4 and claimed to be better?

    -The chatbot apologized for the comparison and reiterated that it is based on GPT 4 architecture.

  • What is the possibility of OpenAI open-sourcing a model like GPT 4?

    -The speaker expresses doubt that OpenAI would open-source a model at the level of GPT 4, given the proprietary nature of such advanced models.

  • What was the context of the chatbot's discussion about Gemini?

    -The chatbot's discussion about Gemini was a result of an ambiguous question from the user. The chatbot misunderstood the context and provided information about the zodiac sign Gemini instead of Google Gemini.

  • How did the chatbot demonstrate its understanding of text and complex instructions?

    -The chatbot demonstrated its understanding by correctly identifying the number of 'r's in 'blueberry' and reversing the word accurately, showing its ability to handle text manipulation tasks.

  • What additional feature did OpenAI announce around the time gpt2 appeared?

    -OpenAI announced a memory option or a long-term memory option for chat GPT plus, which could potentially enhance the capabilities of language models in handling context.



πŸ€– Exploring the New GPT-2 Chatbot

The video begins with the discovery of a new AI model, GPT-2, on the LMS leaderboard. The creator expresses curiosity and decides to test the model to understand its capabilities. There are speculations that it might be an open-source model from OpenAI or even GPT 4.5 or GPT 5. However, the creator shares a spoiler that the model appears to be similar to GPT-4 based on initial observations. The video continues with a series of tests and comparisons between GPT-2 Chatbot and GPT-4, focusing on various aspects such as understanding vague questions, handling tasks, and the model's self-awareness and responses to questions about its identity and capabilities. The GPT-2 Chatbot demonstrates a slightly different response pattern compared to GPT-4, hinting at potential improvements or modifications.


πŸ“ˆ GPT-2's Performance and Comparison with GPT-3.5

The second paragraph delves into the performance of GPT-2 Chatbot, particularly in comparison with GPT-3.5. The creator asks pointed questions to gauge the model's understanding and its ability to handle complex instructions. GPT-2 Chatbot is tested on tasks such as spelling out 'blueberry' correctly, reversing the word, and responding to ambiguous queries. The model performs well in these tasks, showing a better grasp of language and a less restrictive approach compared to GPT-4. The creator also inquires about the model's version and improvements over GPT-3.5. GPT-2 Chatbot claims to be based on GPT-4 architecture but does not explicitly identify as GPT-4.5, leading to further speculation about its true nature. The video concludes with the creator's thoughts on the model's capabilities and an invitation for viewers to share their experiences with GPT-2 Chatbot.




GPT stands for 'Generative Pre-trained Transformer', a type of artificial intelligence model designed for natural language processing. In the video, it is discussed that there is speculation about a new model, possibly GPT 4.5 or GPT 5, which is being tested for its capabilities and differences from previous models.

πŸ’‘LMS Leaderboard

LMS Leaderboard refers to a ranking system within a learning management system or a similar context where models are compared based on their performance. In the video, it is mentioned that the mysterious GPT2 model appeared on such a leaderboard, prompting the creator to test and compare its abilities.


A chatbot is an AI program designed to simulate conversation with human users. In the video, the focus is on a new chatbot model that has appeared, which the creator is examining to determine its origin and capabilities.


Anthropic refers to a company or a concept related to human characteristics or behavior. In the context of the video, the creator doubts that the GPT2 chatbot is from Anthropic, suggesting it might be a prank or a new model from OpenAI.


Tokenizing in the context of language models refers to the process of breaking down text into individual units (tokens) that the model can understand and work with. The video discusses how the GPT2 chatbot handles tokenization, particularly when identifying the number of characters in the word 'blueberry'.

πŸ’‘Knowledge Cut-off

Knowledge cut-off refers to the date until which the AI model has been trained on information. It is important as it determines the latest information the model can provide. The video mentions a knowledge cut-off date of 2023 for the GPT2 chatbot.


Gemini in the video is initially a point of confusion as the chatbots interpret it as a zodiac sign instead of Google Gemini, which was the intended reference. This highlights the importance of context in AI understanding.

πŸ’‘Reverse a Word

Reversing a word is a task where the order of the characters in a word is flipped. In the video, the chatbots are asked to reverse the word 'blueberry', which they do successfully, demonstrating their ability to manipulate text.


An underscore is a symbol (_) often used in programming and text formatting. In the video, the GPT2 chatbot mistakenly adds an underscore when reversing 'blueberry', which is then corrected after the creator points it out.


AGI stands for 'Artificial General Intelligence', which refers to highly autonomous systems that can outperform humans at most economically valuable work. The video clarifies that the GPT2 chatbot, despite its capabilities, does not represent an AGI.

πŸ’‘Open Sourcing

Open sourcing means making the source code of a product available to the public to use, modify, and distribute. The video discusses speculation about whether OpenAI might open source a model like GPT 4, but the creator doubts this possibility.


A new mysterious OpenAI model, GPT2, has appeared on LMS leaderboard, sparking speculations about its origin and capabilities.

Initial tests suggest that GPT2 does not appear to be a new model but rather similar to GPT-4.

GPT2 chatbot identifies itself as a language model created by OpenAI, designed to answer questions and assist with various tasks.

GPT2 demonstrates a better understanding of word tokenization and spelling compared to GPT-4 in certain scenarios.

The chatbot correctly identifies the number of characters in the word 'blueberry', showcasing its linguistic capabilities.

GPT2 and GPT-4 show differences in their responses to vague questions, indicating potential variances in their training data.

When asked about its superiority over GPT-3.5, GPT2 claims to be based on GPT-4 architecture but does not explicitly state it is GPT-4.5.

GPT2's response to a question about reversing the word 'blueberry' shows its ability to perform basic text manipulation tasks.

The chatbot adds an underscore when reversing 'blueberry', which it corrects upon user feedback, demonstrating adaptability.

GPT2's claim of being better than GPT-5 is met with skepticism, as it refers to itself as a model based on GPT-4.

The chatbot's knowledge cutoff date is stated as 2023, which could imply its most recent updates and information.

GPT2's performance in conversation and handling complex instructions is noted to be superior to the free version of GPT-3.5.

The appearance of GPT2 coincides with OpenAI's announcement of a memory option for chat GPT Plus.

Speculations about GPT2 being an open-source model are dismissed, as it is believed that OpenAI would not open-source a GPT-4 level model.

The chatbot's architecture is confirmed to be based on GPT-4, but it is not explicitly identified as GPT-4.5.

GPT2's capabilities are seen as an extension of GPT-4, with no groundbreaking changes expected from the next version of the model.

The mysterious GPT2 model has been extensively tested, yielding interesting insights into its functionality and potential.

Users are encouraged to try out the GPT2 model and share their experiences in the comment section for further discussion.