Next generation of OpenAI's dedicated reasoning models. Expected to beat o3 on math olympiad and coding benchmarks by a large margin.
Next generation of OpenAI's dedicated reasoning models. Expected to beat o3 on math olympiad and coding benchmarks by a large margin.
Why it matters: Reasoning-model benchmarks drive heavy developer search — "o4 api" is a known upcoming spike.
Expected pricing: ~$15 / $60 per 1M tokens
GPT-5.4 subsumes the o-series reasoning stack and is the current best OpenAI reasoning model via API.
We'll auto-switch your API calls to OpenAI o4 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 OpenAI o4 — 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