I put Claude 4.6 Opus head-to-head with ChatGPT-5.2 Thinking in a nine-round “Reasoning Gauntlet” to see which model gives ...
OpenAI launches GPT-5.3-Codex with faster coding, stronger reasoning, and higher benchmark accuracy—plus API access soon.
The company says its latest model’s agentic skills also apply to a broader set of knowledge work such as presentations and spreadsheets. On Thursday, OpenAI released GPT-5.3-Codex, a new model that ...
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