GPT-5.4 nano
GPT-5.4 nano is a text model from 
OpenAI with a context window of 272K tokens and max output of 128K tokens. Pricing starts at 0.20 per million input tokens and 1.25 per million output tokens (cheapest at Azure OpenAI).
Capabilities
✓ Vision✓ Function Calling✓ Reasoning✓ JSON Schema✓ System Messages✓ Web Search✓ Prompt Caching✗ Audio Input✗ Audio Output
Specifications
| Model Key | gpt-5.4-nano |
| Provider | OpenAI |
| Provider ID | openai |
| Mode | Text |
| Canonical Name | gpt-5.4-nano |
| Context Window | 272K 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 |
Price Comparison by Provider
Compare prices for GPT-5.4 nano across different providers. The same model may be available through multiple providers at different price points.
Provider | Model Key | Input Price, $ | Output Price, $ |
|---|---|---|---|
| OpenAI | gpt-5.4-nano | 0.200 | 1.25 |
 Azure OpenAI | azure/gpt-5.4-nano | 0.200 | 1.25 |
All Variants
All available versions, regions, and API endpoints for GPT-5.4 nano.
Model Key | Provider | Mode | Input Price, $ | Output Price, $ | Context | Max Output | Vision | Functions |
|---|---|---|---|---|---|---|---|---|
| azure/gpt-5.4-nano | Azure OpenAI | Text | 0.200 | 1.25 | 1.1M | 128K | yes | yes |
| gpt-5.4-nano | OpenAI | Text | 0.200 | 1.25 | 272K | 128K | yes | yes |