OpenAI is pitching GPT-5.3-Codex as a long-running “agent,” not just a code helper: The company says the model combines GPT-5.2-Codex coding strength with GPT-5.2 reasoning and professional knowledge, ...
On a 2.0 terminal benchmark, OpenAI’s model scores about 10% higher, guiding users toward stronger results on long, complex ...
GPT-5.3 Codex merges the advanced coding capabilities of GPT-5.2 Codex with the reasoning and professional knowledge of GPT-5 ...
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 ...
OpenAI’s GPT-5.3-Codex is 25 percent faster and requires less than half the tokens as its predecessor, 5.2-Codex.
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