Models/Text/GPT-5.3 Codex

OpenAI: GPT-5.3 Codex

Name: OpenAI: GPT-5.3 Codex
Brand: OpenAI

Coding-first model tuned for structured output, repo work, and agent loops.

Capability support

TText🖼Vision⚙Tools{}JSON⚡Streaming

Context window200Ktokens

Providers

Live pricing, latency, and uptime per active route

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