GPT-5.4
GPT-5.4 brings together the best of OpenAI’s recent advances in reasoning, coding, and agentic workflows into a single frontier model. It incorporates the industry-leading coding capabilities of GPT-5.3-Codex while improving how the model works across tools, software environments, and professional tasks involving spreadsheets, presentations, and documents. The result is a model that completes…
4 subscribers
9/10 popularity
5898 ms avg latency
81% success rate
4 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 |
|---|---|---|
| v1 | ||
| POST |
/v1/completions /v1/completions |
Creates a text completion. |
| POST |
/v1/chat/completions /v1/chat/completions |
Creates a chat completion. |
| POST |
/v1/messages /v1/messages |
Creates a message response. |
| GET |
/v1/models /v1/models |
Returns the list of available models. |
GPT-5.4 pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC | Free | — |
|
| PRO | $9.9 / month | 1 / second |
|
| ULTRA | $49.9 / month | 1 / second |
|
| MEGA | $89.9 / month | 1 / second |
|
