GPT-5.4 Pro API
Access GPT-5.4 Pro through a simple, OpenAI-compatible API. Change one URL and one key — your existing code works immediately. No SDK changes needed.
68% cheaper than OpenRouter
GPT-5.4 Pro Pricing
| Token Type | Qubax | Retail | Save |
|---|---|---|---|
| Input (per 1M) | $9.75 | $30.00 | 68% |
| Output (per 1M) | $58.50 | $180.00 | 68% |
At $9.75/1M input tokens, GPT-5.4 Pro is one of the most affordable APIs in its class.
Why use GPT-5.4 Pro API on Qubax?
- ⚡Point your OpenAI SDK at https://api.qubax.ai/v1
- ⚡Use model ID: gpt-5.4-pro
- ⚡Generate API keys starting with qbx_live_
- ⚡Full streaming, function calling, and vision support
Get started in 60 seconds
- 1Create a free account at qubax.ai/register
- 2Add crypto credits (200+ coins, $3 minimum, credits never expire)
- 3Generate an API key and set your base URL to
https://api.qubax.ai/v1 - 4Use model ID
gpt-5.4-pro— done!
GPT-5.4 Pro API Access FAQ
How much does GPT-5.4 Pro cost API?
On Qubax, GPT-5.4 Pro costs $9.75 per 1M input tokens and $58.50 per 1M output tokens. 68% cheaper than OpenRouter. Pay with 200+ cryptocurrencies.
Can I use GPT-5.4 Pro with my existing tools?
Yes. Qubax is fully OpenAI-compatible. Change your base URL to api.qubax.ai/v1 and use your Qubax key. Works with Cline, Cursor, OpenCode, LangChain, and any OpenAI SDK.
Do I need a credit card?
No. Qubax accepts 200+ cryptocurrencies. No credit card, no KYC. New users get free credits to start.
Start using GPT-5.4 Pro API
Free credits on signup. No credit card. Crypto accepted.
Get started — $1 free credits →