OpenAI brings GPT 5.3 Codex model and Frontier platform
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OpenAI launched GPT-5.3-Codex as Anthropic released Claude Opus 4.6 in a simultaneous drop that kicks off the AI coding wars, ...
Anthropic has made similar claims about Claude Opus 4.6, saying it also performs better on difficult and long-running tasks. This has set up a direct rivalry between the two companies, with both ...
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