GPT-5.4 nano
OpenAI · Cheapest GPT-5.4 lane for simple routing, extraction, and bulk automation
Key facts
- Provider
- OpenAI
- Context window
- 400K tokens
- Max output
- 128K tokens
- Input price
- $0.2 / M tok
- Output price
- $1.25 / 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
- $0.2
- Output
- $1.25
- Cache read
- $0.02
- Cache write
- —
Modalities
- Input
- Text, Image
- Output
- Text