Models / OpenAI
OpenAI

GPT-5 Codex

openai/gpt-5-codex

GPT-5-Codex is a specialized version of GPT-5 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....

Input
$1.625 / 1M tokens
Output
$13 / 1M tokens
Context
400K tokens

Capabilities

✓ Streaming✓ Tool / function calling✓ JSON / structured output✓ Vision (image input)

Call this model

Pass openai/gpt-5-codex as the model. Change only the base URL from your existing OpenAI SDK setup.

quickstart.sh
curl https://modeldatabase.com/v1/chat/completions \
  -H "Authorization: Bearer $MDB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5-codex",
    "messages": [{"role":"user","content":"Hello!"}]
  }'

Prices are final — the routing margin is already included. See the full pricing table or the API docs.