# GPT-5.6 Terra Pro API prices

GPT-5.6 Terra Pro (gpt-terra) — 1.1M context, 128k max output.
4 metered per-token offers from 4 provider(s), in USD per 1M tokens.
Prices as of 2026-10-04.

| Provider | Input $/1M | Output $/1M | Cache read $/1M | Context |
| --- | --- | --- | --- | --- |
| 302.AI | $2 | $12 | — | 1.1M |
| NanoGPT | $2 | $12 | $0.2 | 1.1M |
| OpenRouter | $2 | $12 | $0.2 | 1.1M |
| Venice AI | $2.5 | $15 | $0.25 | 1.0M |

## Summary

- Cheapest input: $2 per 1M tokens (302.AI)
- Cheapest output: $12 per 1M tokens (302.AI)
- First-party: not listed separately
- Free offers: none
- Subscription plans (not per-token): none
- Released: 2026-07-09
- Inputs: image, pdf, text

## FAQ

### What is the cheapest GPT-5.6 Terra Pro API?

As of Oct 4, 2026, 302.AI has the lowest GPT-5.6 Terra Pro output price at $12 per 1M tokens, and 302.AI has the lowest input price at $2 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.

### How many providers offer GPT-5.6 Terra Pro?

4 providers list GPT-5.6 Terra Pro on Sovyron; 4 of them sell it at a metered per-token price.

### Is GPT-5.6 Terra Pro free?

No provider in the Sovyron catalog lists a free tier for GPT-5.6 Terra Pro.

### What is the context window of GPT-5.6 Terra Pro?

GPT-5.6 Terra Pro supports a 1.1M-token context window and up to 128k output tokens.

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