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GPT-5.3 Codex introduced (new model for coding workflows) — ModelPriceLab

Changes/GPT-5.3 Codex introduced (new model for coding workflows)

MajorOpenAINew Launchgpt-5-3-codexPublished

GPT-5.3 Codex introduced (new model for coding workflows)

OpenAI introduced GPT-5.3 Codex, a new model aimed at developer and coding workflows. This is a catalog update to track availability and future pricing / API behavior changes based on the official announcement.

Feb 6, 2026 (UTC)Views:19Effective: Feb 6, 2026 (UTC)

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Reliability1

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Quality5

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Introducing GPT-5.3 Codex

Official announcement: GPT-5.3 Codex is introduced as a new model for coding workflows.

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