GPT-5.4
Key: gpt-5.4
Provider: OpenAI
Support: runnable
Capabilities
chat · reasoning · tools · vision · json_schema
Specifications
| Field | Value |
|---|---|
| Context window | 400 000 tokens |
| Input modalities | text · image · document |
| Output modalities | text |
When to use
The standard GPT-5.4 model — full capabilities without the premium pricing of the Pro tier. A strong default for complex lenses that need vision, tool calling, and reliable structured output.