Amazon Web Services and OpenAI. /Courtesy of Yonhap News

OpenAI, the developer of ChatGPT, said it would supply its AI models to Amazon Web Services (AWS) just a day after ending its exclusive deal with Microsoft (MS).

On the 28th (local time), AWS said at its What's Next with AWS event that it would offer OpenAI's AI model "GPT" and coding tool "Codex" on its AI model integration platform Amazon Bedrock. They will be available on Bedrock starting today in a "limited release" and are expected to officially launch within weeks.

The two companies also unveiled OpenAI-based Amazon Bedrock Managed Agents, a service that builds custom AI agents for corporations.

Matt Garman, AWS chief executive officer (CEO), said at the event, "Customers have been asking from the beginning how they could use OpenAI models inside AWS," and "For years we told customers that if they wanted to use OpenAI models, they had to go elsewhere, but now we don't have to force that choice."

Sam Altman, OpenAI CEO, did not attend the event because of a court appearance prompted by issues raised by Elon Musk, Tesla CEO. Instead, in a video message, Altman said, "We are very excited about the partnership with AWS and what it means for customers."

The announcement came a day after OpenAI revised its contract with MS to resolve a cloud exclusivity clause. Through this partnership, OpenAI is set to widen its customer base to corporations that use AWS, the world's No. 1 cloud service, laying the groundwork to drive revenue growth ahead of its initial public offering (IPO) targeted for this year.

Dennis DeRougemont, OpenAI chief revenue officer (CRO), said in a recently disclosed internal memo, "Our partnership with MS has been the cornerstone of our success, but at the same time it limited our touchpoints with many corporations," adding, "Those corporations are on (Amazon) Bedrock," underscoring the need to work with AWS.

So far, AWS has offered its own models and AI models from Anthropic, Meta, Nvidia, and Mistral through Bedrock. With GPT added, it now has all the major AI models except Google's "Gemini."

In February, Amazon pledged to invest up to $50 billion (about 74 trillion won) in OpenAI's funding round as part of efforts to strengthen ties with OpenAI. It is Amazon's largest investment in a single corporation. OpenAI agreed to make $100 billion (about 148 trillion won) in expenditure on AWS over the next eight years. The companies also signed a deal to lease computing capacity equivalent to 2 GW (gigawatts) using Amazon's in-house AI chip "Trainium."

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