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January 17, 2023
Meet Claude: Anthropic’s Rival to ChatGPT
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Meet Claude
Anthropic, an AI startup co-founded by former employees of OpenAI, has quietly begun testing a new, ChatGPT-like AI assistant named Claude. The team at Anthropic was gracious enough to grant us access, and updates to Anthropic’s social media policies mean we can now share some of our early, informal comparison findings between Claude and ChatGPT.
January 11, 2023
Scale AI Named a 2022 Cool Vendor by Gartner®
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Scale AI, the data infrastructure for AI, has been named a Cool Vendor in the 2022 Gartner Cool Vendors™ in Data-Centric AI by Svetlana Sicular, Arun Chandrasekaran, Sumit Agarwal, Oleksandr Matvitskyy and Anthony Mullen.
November 30, 2022
How Much Better is OpenAI’s Newest GPT-3 Model?
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On November 28th, OpenAI released a new addition to the GPT-3 model family: davinci-003
. This latest model builds on InstructGPT, using reinforcement learning with human feedback to better align language models with human instructions. Unlike davinci-002
, which uses supervised fine-tuning on human-written demonstrations and highly scored model samples to improve generation quality, davinci-003
is a true reinforcement learning with human feedback (RLHF) model. It is trained with PPO to optimize the generated text’s score against a separate “reward model”, which is trained on rating comparisons by human graders of different model outputs. More details can be found in OpenAI’s model index for researchers. The net result is that davinci-003
is tuned to produce outputs that it thinks would be scored highly by humans. Scale is proud to partner with OpenAI to provide this human feedback.