GPT-5.3-Codex
OpenAI🇺🇸
openai/gpt-5.3-codexGPT-5.3-Codex is OpenAI's February 2026 Codex-native coding agent, pairing frontier coding performance with general reasoning for long-horizon, real-world engineering work. It supports steering the agent mid-task and is notable as a model OpenAI used to help build itself.
Tarifa de coste
2.5x
Contexto
400K
Lanzamiento
24 feb 2026
Entrada
TextImageFile
Salida
Text
Compatibilidad
RazonamientoLlamada a herramientasSalidas estructuradas