GPT-5.6 Terra API pricing and agent cost
| Provider | OpenAI |
|---|---|
| Input | $2.0 / 1M tokens |
| Output | $12.0 / 1M tokens |
| Cached input | $0.2 / 1M tokens |
Source: https://developers.openai.com/api/docs/pricing (checked 2026-10-25)
Example agent cost
An agent making 5 tool calls per task, with 3,000 input and 800 output tokens per call, running 100 tasks a day costs about $0.0780 per task, $7.80 per day, and $234.00 per month on GPT-5.6 Terra.
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