GPT-5.4 mini
OpenAI · Strong small GPT for coding subagents, quick tool use, and high-volume work
Key facts
- Provider
- OpenAI
- Context window
- 400K tokens
- Max output
- 128K tokens
- Input price
- $0.75 / M tok
- Output price
- $4.5 / M tok
- Knowledge cutoff
- Aug 31, 2025
- Released
- Mar 17, 2026
- License
- —
Capabilities
ReasoningTool callingStructured outputFile attachmentsTemperature controlOpen weights
Reasoning options
- effort none · low · medium · high · xhigh
Pricing
USD per million tokens, list API rates.
- Input
- $0.75
- Output
- $4.5
- Cache read
- $0.075
- Cache write
- —
Modalities
- Input
- Text, Image
- Output
- Text