The high-reasoning tier of GPT-5 for complex problem solving. Longer thinking budget, better math and code.
The high-reasoning tier of GPT-5 for complex problem solving. Longer thinking budget, better math and code.
Why it matters: ChatGPT Pro users looking for API access to the exact same Pro-tier reasoning model.
Expected pricing: ~$10 / $40 per 1M tokens
GPT-5.4 is the production-ready incarnation of the Pro tier — same reasoning stack.
We'll auto-switch your API calls to GPT-5 Pro the moment it launches — no code changes required.
curl -X POST https://api.skillboss.co/v1/run \
-H "Authorization: Bearer $SKILLBOSS_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"skill_id": "openai/gpt-5.4",
"input": {
"prompt": "Say hello from GPT-5 Pro — routed via SkillBoss"
}
}'Create a free SkillBoss account and we'll email you the moment routing is live — and automatically upgrade your API calls.
Create Free Account