GPT-5.4 Pro
OpenAI · More exact GPT-5.4 tier for demanding professional reasoning and agent tasks
Key facts
- Provider
- OpenAI
- Context window
- 1.1M tokens
- Max output
- 128K tokens
- Input price
- $30 / M tok
- Output price
- $180 / M tok
- Knowledge cutoff
- Aug 31, 2025
- Released
- Mar 5, 2026
- License
- —
Capabilities
ReasoningTool callingStructured outputFile attachmentsTemperature controlOpen weights
Reasoning options
- effort medium · high · xhigh
Pricing
USD per million tokens, list API rates.
- Input
- $30
- Output
- $180
- Cache read
- —
- Cache write
- —
Modalities
- Input
- Text, Image
- Output
- Text