IllustrativeOpenAI Releases GPT-5.3-Codex, a New Codex Model for Agent-Style Development
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OpenAI has released a new codex model, GPT-5.3-Codex, which is intended for agent-style development. This model is a part of OpenAI's offerings, with details of its capabilities and applications not specified. The release of GPT-5.3-Codex suggests an update to OpenAI's codex models.