OpenAI

AvailableopenaiChat

gpt-5.3-codex

Pricing

Official price	Catalog price	Discount
Input $1.23 / Output $9.80	Input $1.23 / Output $9.80	-

Capabilities

VisionTool UseJSON Mode

Context: 128K
Max output: 128K

Supported operations

Aliases

gpt-5-3-codexopenai/gpt-5.3-codex

API Base

Example request

https://api.aisonar.dev

curl https://api.aisonar.dev/v1/chat/completions \
  -H "Authorization: Bearer $AI_SONAR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.3-codex",
    "messages": [{"role":"user","content":"Summarize this release note"}]
  }'