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ChatGPT by OpenAI
Latest   Machine Learning

ChatGPT by OpenAI

Last Updated on July 25, 2023 by Editorial Team

Author(s): Teemu Maatta

Originally published on Towards AI.

OpenAI released ChatGPT today — a new language model for a chat.

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Photo by Priscilla Du Preez on Unsplash

Introduction

OpenAI released ChatGPT today. ChatGPT is based on the GPT-3.5 model, which is fine-tuned with Reinforcement Learning from Human Feedback (RLHF).

The model is currently free and only available via OpenAI-website for research purposes. The model access is restricted with OpenAI credentials.

Let’s get started!

ChatGPT

ChatGPT is a sibling to the InstructGPT model. It differs in its data collection method.

The model uses the Proximal Policy Optimization (PPO) algorithm with the RLHF.

The model is currently made available as a free research preview:

the model is made available to… Read the full blog for free on Medium.

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