Item 1 of 2 Amazon logo outside an Amazon warehouse in Manchester, Britain, October 28, 2025. REUTERS\/Phil Noble<\/p>\n
[1\/2]<\/b>Amazon logo outside an Amazon warehouse in Manchester, Britain, October 28, 2025. REUTERS\/Phil Noble Purchase Licensing Rights, opens new tab<\/a><\/p>\n SAN FRANCISCO, Nov 24 (Reuters) – Amazon suggested its engineers eschew AI code generation tools from third-party companies in favor of its own, a move to bolster its proprietary Kiro service, which it released in July, according to an internal memo viewed by Reuters.<\/p>\n In the memo, posted to Amazon’s internal news site, the company said, “While we continue to support existing tools in use today, we do not plan to support additional third party, AI development tools.”<\/p>\n Sign up here.<\/a><\/p>\n “As part of our builder community, you all play a critical role shaping these products and we use your feedback to aggressively improve them,” according to the memo.<\/p>\n The guidance would seem to preclude Amazon employees from using other popular software coding tools like OpenAI’s Codex, Anthropic’s Claude Code, and those from startup Cursor.<\/p>\n That is despite Amazon having invested about $8 billion into Anthropic and reaching a seven-year $38 billion deal<\/a> with OpenAI to sell it cloud-computing services. Amazon has been fighting a reputation that it is trailing competitors in development of AI tools as rivals like OpenAI and Google speed ahead.<\/p>\n Kiro is Amazon’s homegrown AI tool for code generation, the technique for creating websites and apps using just plain English commands. It relies in large part on versions of coding tools from Anthropic, but not specifically Claude Code.<\/p>\n “To make these experiences truly exceptional, we need your help,” according to the memo, which was signed by Peter DeSantis, senior vice president of AWS utility computing, and Dave Treadwell, senior vice president of eCommerce Foundation. “We’re making Kiro our recommended AI-native development tool for Amazon.”<\/p>\n The internal guidance comes on the heels of Amazon widening Kiro’s availability last week to a worldwide audience along with some new features.<\/p>\n Spokespeople for Anthropic, OpenAI and Cursor did not immediately respond to requests for comment. An Amazon spokesperson confirmed the memo.<\/p>\n Codex, Cursor and Claude Code have become popular ways<\/a> for engineers to quickly spin up new services. Cursor, for instance, was valued at nearly $30 billion<\/a> after completing a funding round earlier this month.<\/p>\n In October, Amazon revised its internal guidance for OpenAI’s Codex to “Do Not Use” following a roughly six month assessment, according to a memo reviewed by Reuters. And Claude Code was briefly designated as “Do Not Use,” before that was reversed following a reporter inquiry at the time.<\/p>\n Reporting by Greg Bensinger; Editing by Stephen Coates<\/p>\n Our Standards: The Thomson Reuters Trust Principles., opens new tab<\/a><\/p>\n Purchase Licensing Rights<\/a><\/a><\/p>\n Greg Bensinger joined Reuters as a technology correspondent in 2022 focusing on the world’s largest technology companies. He was previously a member of The New York Times editorial board and a technology beat reporter for The Washington Post and The Wall Street Journal. He also worked for Bloomberg News writing about the auto and telecommunications industries. He studied English literature at The University of Virginia and graduate journalism at Columbia University. Greg lives in San Francisco with his wife and two children. <\/p>\n","protected":false},"excerpt":{"rendered":"Item 1 of 2 Amazon logo outside an Amazon warehouse in Manchester, Britain, October 28, 2025. 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