OpenAI
GPT-5.4 Mini
openai/gpt-5.4-mini
Smaller GPT-5.4 for high-throughput reasoning and coding.
TextFiles, Images, Text → TextReady on endue
- Fast replies
- Coding
Overview
Good for
Written by endue
- Fast replies
- Coding
Not ideal for
From the model’s specs
Nothing in the specs rules out common agent work.
Capabilities
| Tool use | Supported |
|---|---|
| Structured output | Supported |
| JSON mode | Supported |
| Reasoning | Supported |
| Vision | Supported |
| Audio input | Not supported |
| Video input | Not supported |
| File input | Supported |
| Long context | Supported |
Specifications
- Model ID
openai/gpt-5.4-mini- Family
- GPT-5
- Context window
- 400K tokens
- Input
- Files, Images, Text
- Output
- Text