Is This GPT-5? OpenAI o1 Full Breakdown

bycloud
12 Sept 202406:12

TLDROpenAI has introduced a new model series, the 'o1', which includes an 'o1 preview' and an 'o1 Mini' model. Both feature a 128k context window, with the 'o1 preview' offering significantly improved performance in logical and reasoning tasks, rivaling PhD students in certain fields. It scored 83% on the International Mathematics Olympiad qualifying exam, a 70% increase from GPT-4. The 'o1 Mini' is a more affordable option. The models utilize a 'chain of thought' approach combined with reinforcement learning, which is integrated into their training for improved consistency. However, the 'o1 preview' is slower, taking 20-30 seconds to generate responses. The models are currently accessible only to paid users with a limit of 30 messages per week.

Takeaways

  • 🆕 OpenAI has introduced a new model series called 'o1', moving away from the GPT naming convention.
  • 📈 The 'o1' model series includes an 'o1 preview' model and an 'o1 Mini' model, with the former being 3 to 4 times more expensive than GPT-4.
  • 🔍 Both 'o1' models feature a 128k context window, with the 'o1 preview' model being slower but offering significant performance improvements in certain areas.
  • 🧠 The 'o1 preview' model's performance is said to rival PhD students in physics, chemistry, and biology, excelling in logical and reasoning tasks.
  • 📊 In the International Mathematics Olympiad qualifying exam, 'o1' achieved an 83% problem-solving rate, a 70% increase from GPT-4's 13%.
  • 📈 In the MML Ed College mathematics category, 'o1' showed a jump from 75.2% to 98% accuracy, while in formal logic, it rose from 80% to 97%.
  • 🤔 The model's focus is on reasoning and solving complex logical tasks, with less improvement seen in other areas like English literature.
  • 🤖 The main breakthrough is the integration of 'Chain of Thought' on top of reinforcement learning, which enhances the model's ability to think and improve its responses.
  • 🚀 The 'o1' model's private Chain of Thought process suggests a new dimension for AI scaling, where inference time scaling could be as important as pre- and post-training.
  • 🔒 Currently, 'o1' is limited to paid users with a cap of 30 messages per week, indicating a potential high computational cost for its operations.

Q & A

  • What is the new model series announced by OpenAI?

    -OpenAI has announced a new model series called 'o1', which includes an 'o1 preview' model and an 'o1 Mini' model.

  • What are the key differences between the 'o1 preview' and 'o1 Mini' models?

    -Both 'o1 preview' and 'o1 Mini' models have a 128k context window. The 'o1 preview' is more expensive, slower in generating answers, and has a significant performance increase, while the 'o1 Mini' is a cheaper alternative.

  • How does the 'o1 preview' model perform in academic benchmarks?

    -The 'o1 preview' model has an impressive performance, rivaling PhD students in physics, chemistry, and biology benchmarks. It correctly solved 83% of problems in the qualifying exam for the International Mathematics Olympiad, which is a 70% increase from GPT-4.

  • What is the main breakthrough in the 'o1' model series?

    -The main breakthrough in the 'o1' model series is the integration of 'Chain of Thought' on top of reinforcement learning, which enhances the model's ability to think and reason before generating responses.

  • How does the 'Chain of Thought' mechanism work in the 'o1' model?

    -The 'Chain of Thought' mechanism involves the model thinking about what it has generated, planning, reflecting, and improving its results iteratively before presenting the final answer.

  • What is the significance of the 'private Chain of Thought' in the 'o1' model?

    -The 'private Chain of Thought' is significant as it allows the model to think deeply before responding, which is baked into the training and results in consistent and high-quality reasoning in responses.

  • Why is the 'o1' model limited to paid users and has a message limit?

    -The 'o1' model is limited to paid users and has a message limit due to the computationally intensive 'private Chain of Thought' process, which generates a large number of tokens for each query.

  • What does the 'o1' model's performance suggest about the future of AI scaling?

    -The 'o1' model's performance suggests a new dimension for scaling AI models, where spending more compute time on inference (letting the model think for longer) could lead to significant improvements in reasoning tasks.

  • Are there any concerns about the 'o1' model's reliance on 'Chain of Thought'?

    -There are concerns about the 'o1' model potentially being over-optimized for benchmarks (evaluation maxing), and that the 'Chain of Thought' might just be fine-tuning on data and prompting without substantial innovations.

  • How does the 'o1' model perform in non-reasoning tasks?

    -In non-reasoning tasks, such as MML's English literature category, the 'o1' model shows barely any improvements, indicating that it is not an all-in-one model with performance increases in every aspect.

Outlines

00:00

🤖 OpenAI's New AI Model Series: 01 and 01 Mini

OpenAI has introduced a new AI model series named '01', marking a shift from their previous GPT naming convention. The series includes two models: the 01 preview and the 01 Mini. Both models feature a 128k context window, with the 01 preview being 3 to 4 times more expensive than GPT-4 and the 01 Mini being slightly cheaper. The 01 preview model is slower, taking 20 to 30 seconds to generate an answer, but it boasts a significant performance increase, rivaling PhD students in physics, chemistry, and biology. It excels in logical and reasoning tasks, with a notable 70% increase in problem-solving accuracy compared to GPT-4, as demonstrated in the International Mathematics Olympiad qualifying exam. However, it shows minimal improvement in English literature categories, indicating a specialized focus on reasoning and logical tasks. The model's training incorporates a 'chain of thought' mechanism, which involves reinforcement learning to improve the model's thinking process. This private chain of thought is not disclosed, and the model's performance suggests a new dimension in AI scaling, where inference time scaling could be as important as pre- and post-training. The model is currently limited to paid users with a cap on usage, and while there is skepticism about OpenAI's evaluation practices, the 01 preview model's performance is undeniably impressive.

05:00

🔍 Evaluating OpenAI's 01 Model: Potential and Limitations

The second paragraph delves into the potential and limitations of OpenAI's 01 model. It acknowledges the impressive performance of the model in reasoning tasks but also raises the possibility of evaluation-maxing by OpenAI, suggesting that the benchmarks should be taken with a grain of salt. The paragraph mentions that only the 01 preview model is available for testing, not the full 01 model, and encourages viewers to explore demos and stay updated for further analysis. The author also references their newsletter, which covers the latest research and techniques in machine learning, including inference techniques that could be the next big trend in the field. The paragraph concludes with a call to action for viewers to follow the author on social media and stay tuned for more in-depth analysis in the future.

Mindmap

Keywords

💡GPT-5

GPT-5 refers to the fifth generation of OpenAI's Generative Pre-trained Transformer, a type of deep learning model designed for natural language processing. In the script, it's mentioned that OpenAI has moved away from naming their models with the 'GPT' moniker, indicating a shift in their model series.

💡01 Model Series

The 01 Model Series is a new line of AI models introduced by OpenAI, which includes the 01 Preview and 01 Mini models. These models are characterized by their 128k context window and are positioned as successors or alternatives to the GPT models. The script discusses the performance and cost differences between these models.

💡Context Window

The context window refers to the amount of text an AI model can process at once to generate a response. A 128k context window, as mentioned in the script, allows the model to handle longer sequences of text, which is crucial for understanding and responding to complex queries.

💡Chain of Thought

Chain of Thought is a technique where the AI model is trained to think through its responses before generating an answer. This involves internal reasoning that mimics human thought processes, aiming to improve the accuracy and logical coherence of the AI's outputs. The script highlights this as a breakthrough in the 01 Model Series.

💡Reinforcement Learning

Reinforcement Learning is a type of machine learning where an agent learns to make decisions by taking actions in an environment to maximize some notion of cumulative reward. In the context of the script, reinforcement learning is used to train the AI model to think properly through a chain of thought process.

💡Benchmarks

Benchmarks are standardized tests used to evaluate the performance of AI models. The script discusses how the 01 Model Series performed in various benchmarks, particularly excelling in logical and reasoning tasks, with significant improvements over previous models.

💡International Mathematics Olympiad

The International Mathematics Olympiad (IMO) is an annual mathematics competition for high school students. The script uses the IMO qualifying exam as a benchmark to illustrate the 01 Model's ability to solve complex mathematical problems, with a 70% increase in problem-solving accuracy compared to GPT-4.

💡MML Ed

MML Ed refers to the 'Major Math League' Education, which is an organization that conducts mathematics competitions. In the script, it is mentioned as a benchmark where the 01 Model Series showed a significant improvement in performance, jumping from 75.2% to 98% accuracy.

💡Private Chain of Thought

A private Chain of Thought is an internal process within the AI model where it generates a large number of tokens to refine its response before presenting a summary to the user. The script suggests that this process is a key factor in the 01 Model's improved reasoning capabilities, but the details of how it works are not publicly disclosed.

💡Inference Time Scaling

Inference Time Scaling refers to the idea that allowing AI models more time to 'think' and process information during inference can lead to better performance. The script discusses how the 01 Model Series has demonstrated the potential benefits of spending more computational resources on inference, rather than just on training.

💡Evaluation Maxing

Evaluation Maxing is a term used to describe the potential over-optimization of an AI model for specific benchmarks, which might not reflect its real-world performance. The script cautions that while the 01 Model Series shows impressive benchmark scores, it's important to consider whether these reflect the model's capabilities in broader applications.

Highlights

OpenAI has introduced a new model series called 01, moving away from the GPT naming convention.

The 01 series includes an 01 preview model and an 01 Mini model, both with a 128k context window.

The 01 preview model is 3 to 4 times more expensive than GPT-4 and is significantly slower, taking 20 to 30 seconds to generate an answer.

The 01 preview model demonstrates a substantial performance increase, rivaling PhD students in physics, chemistry, and biology benchmarks.

In the International Mathematics Olympiad qualifying exam, GPT-4 solved 13% of problems, while 01 solved 83%, marking a 70% increase.

The 01 preview model scored around 56% in the same exam, which is still a 43% accuracy increase from GPT-4.

In the MML Ed College mathematics category, the model's performance jumps from 75.2% to 98%.

The formal logic category saw a performance increase from 80% to 97%.

The model excels in tasks requiring heavy reasoning but shows minimal improvements in English literature.

The main breakthrough is the integration of a 'chain of thought' on top of reinforcement learning.

The model thinks about its generated content, planning, reflecting, and improving results before presenting them.

The 'chain of thought' process is private, and users only see the summary and time taken for thinking.

Rumors suggest that each query generates potentially upwards of 100K tokens for its private chain of thought.

The model is limited to paid users with a limit of 30 messages per week.

Researchers have found that longer thinking times improve the model's performance on reasoning tasks.

OpenAI aims for future versions of the model to think for hours, days, or even weeks.

The model's performance suggests a new dimension for scaling AI models, focusing on inference time scaling.

OpenAI has refined data synthesizing skills and training techniques to achieve scores beyond other models.

The model's potential for 'evaluation maxing' means benchmarks should be taken with a grain of salt.

The full 01 model is not yet available for public use, only the 01 preview model.