GPT-5 API Pricing and Cost Calculator
Original GPT-5 workhorse for reasoning, coding, writing, and tool workflows
- Input / 1M tokens
- $1.25
- Cached input / 1M tokens
- $0.125
- Output / 1M tokens
- $10.00
- Context window
- 400K
Original GPT-5 workhorse for reasoning, coding, writing, and tool workflows