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Amazon Bans Third-Party AI Tools, Promotes Kiro Service

11/25/2025

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Summary

Story summary

Amazon directs its engineers to rely on its own Kiro service and avoid third-party AI code generation tools, per an internal memo.
Amazon launched Kiro in July and aims to expand its features and availability to compete with OpenAI and Google.
The guidance restricts use of OpenAI's Codex and Anthropic's Claude Code, despite Amazon's investments in Anthropic and OpenAI.

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Story summary

Amazon directs its engineers to rely on its own Kiro service and avoid third-party AI code generation tools, per an internal memo.
Amazon launched Kiro in July and aims to expand its features and availability to compete with OpenAI and Google.
The guidance restricts use of OpenAI's Codex and Anthropic's Claude Code, despite Amazon's investments in Anthropic and OpenAI.