GPT-5.6 Terra
Balanced GPT-5.6 tier — matches GPT-5.5 quality (AA Intelligence Index 55) at roughly half the cost, tuned for everyday professional work.
Capabilities
Pricing
| Input | $2.5 / 1M tokens |
| Cached input | $0.25 / 1M tokens |
| Cache write | $3.125 / 1M tokens |
| Output | $15 / 1M tokens |
| Web search (when used) | $10 / 1,000 calls |
Provider-equivalent rates used for credits. Higher reasoning effort can consume more output tokens; it has no separate fixed multiplier. One credit equals 1¢, with a one-credit minimum per completed run and the aggregate rounded up once.
Provider pricing source · verified 2026-07-20
GPT-5.6 Terra: frequently asked questions
- What is GPT-5.6 Terra?
- Balanced GPT-5.6 tier — matches GPT-5.5 quality (AA Intelligence Index 55) at roughly half the cost, tuned for everyday professional work. You can try GPT-5.6 Terra on TryAI without a separate provider account.
- How much does GPT-5.6 Terra cost on TryAI?
- GPT-5.6 Terra uses these provider-equivalent rates: Input: $2.5 / 1M tokens, Cached input: $0.25 / 1M tokens, Cache write: $3.125 / 1M tokens, Output: $15 / 1M tokens, Web search (when used): $10 / 1,000 calls. One TryAI credit equals one cent of usage; completed runs have a one-credit minimum and the aggregate cost is rounded up once.
- What can GPT-5.6 Terra do?
- GPT-5.6 Terra supports Streaming, Reasoning, Tool use, Web search, Vision, Documents with a context window of about 1.1M tokens.
- How do I try GPT-5.6 Terra?
- Create a free TryAI account, pick GPT-5.6 Terra from the model selector, and start generating in seconds.
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