# GPT-5.6 Terra subscription plans

4 flat-rate plan(s) include GPT-5.6 Terra, cheapest monthly fee first. Effective price spreads the fee over 1M tokens; API prices are the vendor's own metered rate for a 3:1 input:output blend. Plan fees are list prices verified 2026-09-13.
Prices as of 2026-10-04.

| Plan | Fee/mo | Effective $/1M | API anchor $/1M | Break-even |
| --- | --- | --- | --- | --- |
| GitHub Copilot Pro | $10 | $10 | $2 / $12 | 2.2M |
| GitHub Copilot Pro+ | $39 | $39 | $2 / $12 | 8.7M |
| OpenAI ChatGPT Pro (5x) | $100 | $100 | $2 / $12 | 22.2M |
| OpenAI ChatGPT Pro (20x) | $200 | $200 | $2 / $12 | 44.4M |

HTML page: https://sovyron.com/plans/gpt-5-6-terra/
Full dataset: https://sovyron.com/data/catalog.json