GPT-5.4 nano
GPT-5.4 nano is a text model from 
Azure OpenAI with a context window of 1.1M tokens and max output of 128K tokens. Pricing starts at 0.20 per million input tokens and 1.25 per million output tokens.
Capabilities
✓ Vision✓ Function Calling✓ Reasoning✓ JSON Schema✓ System Messages✓ Web Search✓ Prompt Caching✗ Audio Input✗ Audio Output
Specifications
| Model Key | azure/gpt-5.4-nano |
| Provider | Azure OpenAI |
| Provider ID | azure |
| Mode | Text |
| Canonical Name | gpt-5.4-nano |
| Context Window | 1.1M tokens |
| Max Output | 128K tokens |
Pricing
| Type | Per 1K Tokens | Per 1M Tokens |
|---|---|---|
| Input Tokens | 0.000200 | 0.200 |
| Output Tokens | 0.0013 | 1.25 |
| Cache Read (Input) | 0.000020 | 0.020 |