GPT-5.4
GPT-5.4 is the best OpenAI model. It is now at the top of the leaderboard on the APEX-Agents benchmark, which measures model performance for professional services work. Long-horizon deliverables such as slide decks, financial models, and legal analysis are created exceptionally well, with top performance delivered while running faster and at a lower cost than competing frontier models.
1 subscribers
8.4/10 popularity
1380 ms avg latency
100% success rate
1 endpoints
The in-depth APIMemo review for this API hasn't been published yet —
the data below comes straight from the public marketplace listing.
GPT-5.4 endpoints
| Method | Endpoint | Description |
|---|---|---|
| POST |
Chat Completion /chat/completions |
Creates a model response for the given chat conversation. |
GPT-5.4 pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC | $1 / month | — |
|
| PRO | $5 / month | — |
|
| ULTRA | $25 / month | — |
|
| MEGA | $75 / month | — |
|
