Setup in Codex CLI
- Sign up at skillboss.co and create an API key.
- Configure Codex CLI to use the SkillBoss API endpoint:
https://api.skillboss.co/v1 - Set the model to
openai/gpt-5.4 - Run your first request — GPT-5.4 is now available in Codex CLI.
Connect the GPT-5.4 API to Codex CLI through SkillBoss — one API key, no provider lock-in. Starting at $9.00/M tokens.
OpenAI GPT-5.4 - Latest flagship model with advanced reasoning, coding, and multimodal capabilities
https://api.skillboss.co/v1openai/gpt-5.4Call GPT-5.4 from Codex CLI using the SkillBoss unified API:
curl -X POST 'https://api.skillboss.co/v1/chat/completions' \
-H 'Authorization: Bearer $SKILLBOSS_API_KEY' \
-H 'Content-Type: application/json' \
-d '{
"model": "openai/gpt-5.4",
"messages": [{"role": "user", "content": "Hello from Codex CLI"}]
}'The same API key works with all 600+ models. Change the model parameter to switch instantly.
Sign up at skillboss.co, get an API key, and configure Codex CLI to use the SkillBoss API endpoint (https://api.skillboss.co/v1). Set the model to openai/gpt-5.4 and you're ready to go.
GPT-5.4 costs $9.00/M tokens via SkillBoss with pay-as-you-go billing. No subscription required.
Yes — SkillBoss provides a unified API compatible with OpenAI format. Change the model parameter to switch between 600+ models instantly without modifying your integration.