CorporateTuesday, November 25, 2025

Amazon tells engineers to favor in‑house Kiro AI coding tool over rivals

Source: ReutersRead original
Amazon logo outside an Amazon warehouse in Manchester, Britain, October 28, 2025. REUTERS/Phil Noble

Summary

An internal memo urges Amazon engineers to use the company’s Kiro AI coding assistant instead of third‑party tools like OpenAI’s Codex, Anthropic’s Claude Code, and Cursor. The guidance underscores Amazon’s push to consolidate developer tooling around its own AI stack even as it partners with or invests in external AI providers.

Companies Mentioned

OpenAI
OpenAI
AI Lab|United States
Valuation: $500.0B
Private company - No stock data
Anthropic
Anthropic
AI Lab|United States
Valuation: $183.0B
Private company - No stock data
Amazon
Amazon
Cloud|United States
Valuation: $2480.0B
AMZNNASDAQ
+0.72%
At news: $226.28Now: $227.92
Cursor
Cursor
Startup|United States
Valuation: $29.3B
Private company - No stock data

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