Gpt-5.3-codex-xhigh

OpenAI GPT-5.3 Codex extra-high tier for professional-grade code generation and system architecture reasoning

Capabilities

Input

Output

Regions

global

Last verified

2026-08-15T04:50:43.134123295+00:00

Price

16.8 IFT / 1M tokens

Documentation

-

Example

curl https://api.inferlink.ai/v1/chat/completions \
  -H 'Authorization: Bearer $INFERLINK_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{"model":"openai/openai/gpt-5.3-codex-xhigh","messages":[{"role":"user","content":"Hello"}]}'