SOURCE-LINKED INTELLIGENCE

OpenAI: GPT-5.3-Codex

OpenRouter model catalogue · model · Publication date unknown

GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2. It achieves state-of-the-art results...

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recordType

model-catalog

evidenceStatus

provider-reported

region

Global