GPT-5.6 Terra
language modelOpenAI
GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic...
Key facts
| Made by | OpenAI |
|---|---|
| Type | language model |
| Released | July 9, 2026 |
| Reads at once | 1,050,000 tokens |
| Price (API, per million tokens) | $2 in · $12 out |
| Input → output | file, image, text → text |
Questions about GPT-5.6 Terra
Who makes GPT-5.6 Terra?
GPT-5.6 Terra is made by OpenAI.
When was GPT-5.6 Terra released?
We first saw GPT-5.6 Terra listed on July 9, 2026.
How much does GPT-5.6 Terra cost?
Through OpenRouter it costs $2 per million input tokens and $12 per million output tokens. Prices change, so check the provider before you build on it.
How much text can GPT-5.6 Terra read at once?
Up to 1,050,000 tokens, roughly 787.5K words.
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