OpenAI launches GPT-5.3 Codex Spark powered by Cerebras chips, signaling a shift from Nvidia reliance and intensifying the AI infrastructure race.
OpenAI has spent the past year systematically reducing its dependence on Nvidia. The company signed a massive multi-year deal with AMD in October 2025, struck a $38 billion cloud computing agreement ...
“Codex-Spark is the first step toward a Codex that works in two complementary modes: real-time collaboration when you want ...
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