GPT-5.4 Nano
Key: gpt-5.4-nano
Provider: OpenAI
Support: runnable
Capabilities
chat · json_schema
Specifications
| Field | Value |
|---|---|
| Context window | 400 000 tokens |
| Input modalities | text |
| Output modalities | text |
When to use
The lowest-latency OpenAI text model. Best for simple classification, label extraction, or lightweight structured-output pipelines where speed is the primary constraint and complex reasoning is not required.