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GPT-5.3 Codex API Pricing — OpenAI Costs & Alternatives | ModelPriceLab

Model Services/OpenAI/GPT-5.3 Codex

GPT-5.3 Codex

Name: GPT-5.3 Codex
Brand: OpenAI
Availability: InStock

Active

GPT-5.3 Codex is an OpenAI model introduced for developer and coding workflows. This catalog entry links to the official announcement and will be updated as verified pricing/limits become available.

Modality:LLM

Release:Feb 6, 2026

Docs Pricing Status page Model pricing page Vendor API pricing Related API changes Check stack cost impact

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Latest changes

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

Feb 6, 2026• Critical Update

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.

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