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International Business Times UK
International Business Times UK
Business
Will Lorca

Amazon and Google Back Claude Opus 4.5 to Challenge Microsoft's AI Dominance

Claude Opus 4.5: the latest game-changer intensifying Big Tech’s AI rivalry. (Credit: X/@lopezunwired)

Anthropic has launched its latest flagship model, Claude Opus 4.5, escalating the fierce competition in the artificial intelligence sector. This release marks a pivotal moment, transforming what was once a technology race into a high-stakes proxy war between tech giants.

Unlike typical product launches, this move involves a rare tactical alliance. Cloud computing rivals Amazon and Google are both backing Anthropic's new model, using Opus 4.5 as a shared weapon to challenge Microsoft's increasing dominance over the corporate AI landscape, a position it cemented through its close partnership with OpenAI.

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