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AI Minecraft Bot Learns to Code Through Trial and Error with GPT-4
A team of AI researchers has developed a Minecraft bot called Voyager that can learn and expand its capabilities in the game’s open world by writing its own code through trial and error and GPT-4 queries. It is an example of an embodied agent, an AI that can move and act freely and purposefully in a simulated or real environment.
Minecraft as a Test Environment
Minecraft is an ideal environment to test such AI because it is an approximate representation of the real world with straightforward rules and physics. However, it is complex and open enough to offer many possibilities. The MineDojo simulation framework built around Minecraft helps create or fine-tune an AI model by providing YouTube videos, transcripts, wiki articles, and Reddit posts from r/minecraft. This framework evaluates AI models based on how well they perform complex tasks like building a fence around a llama or finding and mining a diamond.
Voyager’s Learning Process
Voyager starts out relatively naive and interacts with the game through trial and error. Whenever it encounters a new challenge in the game, it has a conversation with GPT-4 about what it should do next. For example, GPT-4 instructs Voyager to build a sword to fight skeletons when the sun goes down or mine deep in caves to find iron ore. Once Voyager completes a task, it enters it into a general skill library to avoid starting over from scratch. It continues to learn and acquire new skills through GPT-3.5, which is faster and cheaper than GPT-4. Voyager’s specialty agent performs better than other bots by exploring more areas and learning more skills.
GPT-4 vs. GPT-3.5
Voyager uses GPT-4 to generate useful code. It performs better than its predecessor, ChatGPT, when replacing GPT-4 with GPT-3.5 caused Voyager to fail early on when learning new tasks. Although GPT-3.5 can carry on an intelligent conversation, GPT-4 is smarter when it comes to coding.
The Future of AI
The researchers aim to find ways in which relatively simple AI models can learn and apply new lessons to future actions. Their work is part of a larger effort to develop robots that can help us in our homes, hospitals, and offices.
FAQ
What is Voyager?
Voyager is an experimental AI system that learns and expands its capabilities in the Minecraft game’s open world by writing its own code based on trial and error and GPT-4 queries.
What is Minecraft?
Minecraft is a virtual sandbox game that allows players to build, explore, and survive in a blocky 3D world with limited resources while avoiding monsters at night.
What is an embodied agent?
An embodied agent is an AI that can move and act freely and purposefully in a simulated or real environment.
What is MineDojo?
MineDojo is a simulation framework built around Minecraft that helps create or fine-tune an AI model by providing YouTube videos, transcripts, wiki articles, and Reddit posts from r/minecraft. It evaluates AI models based on how well they perform complex tasks such as building a fence around a llama or finding and mining a diamond.
How does Voyager learn?
Voyager starts out relatively naive and interacts with the game through trial and error. Whenever it encounters a new challenge in the game, it has a conversation with GPT-4 about what it should do next. Once Voyager completes a task, it enters it into a general skill library to avoid starting over from scratch. It continues to learn and acquire new skills through GPT-3.5.
What is GPT-4?
GPT-4 is the latest version of OpenAI’s Generative Pre-trained Transformer language model, which generates human-like text using machine learning. It performs better than its predecessor, GPT-3, and is used in Voyager to generate code.
What is the future of AI?
The researchers aim to find ways in which relatively simple AI models can learn and apply new lessons to future actions. Their work is part of a larger effort to develop robots that can help us in our homes, hospitals, and offices.
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