GPT 5.4 Mini vs GPT 5.4 Nano
GPT 5.4 Nano is 3.8× cheaper on input tokens than GPT 5.4 Mini. Both models are accessible via the haimaker.ai OpenAI-compatible API at https://api.haimaker.ai/v1.
GPT 5.4 Mini
openai/gpt-5.4-mini
Chat
Function CallingVisionReasoningWeb Search
GPT 5.4 Nano
openai/gpt-5.4-nano
Chat
Function CallingVisionReasoningWeb Search
Side-by-side specifications
| Spec | GPT 5.4 Mini | GPT 5.4 Nano |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Full ID | openai/gpt-5.4-mini | openai/gpt-5.4-nano |
| Mode | chat | chat |
| Parameters | N/A | N/A |
| Context window | 272K | 272K |
| Max output | 128K | 128K |
| Input price (per 1M) | $0.75 | $0.20 |
| Output price (per 1M) | $4.50 | $1.25 |
| License | N/A | N/A |
| Architecture | N/A | N/A |
Feature support
| Feature | GPT 5.4 Mini | GPT 5.4 Nano |
|---|---|---|
| Function Calling | ✓ Supported | ✓ Supported |
| Reasoning | ✓ Supported | ✓ Supported |
| Vision | ✓ Supported | ✓ Supported |
| Web Search | ✓ Supported | ✓ Supported |
Frequently asked questions
Which is cheaper, GPT 5.4 Mini or GPT 5.4 Nano?
GPT 5.4 Nano is cheaper at $0.20 per 1M input tokens vs $0.75 for GPT 5.4 Mini.
Which has the larger context window, GPT 5.4 Mini or GPT 5.4 Nano?
Both GPT 5.4 Mini and GPT 5.4 Nano support a 272K context window.
Can I use both GPT 5.4 Mini and GPT 5.4 Nano via the same API?
Yes. haimaker.ai exposes both openai/gpt-5.4-mini and openai/gpt-5.4-nano on the same OpenAI-compatible endpoint at https://api.haimaker.ai/v1, so you can switch between them by changing the model parameter in your request.
Try GPT 5.4 Mini or GPT 5.4 Nano via the haimaker API
One OpenAI-compatible endpoint. Switch between them by changing the model parameter.