OpenAI: GPT-5.6 Terraopenai
Bottom Line
OpenAI: GPT-5.6 Terra: $2.00/1M input, $12.00/1M output, 1.1M context, CPS grade A. 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...
API Pricing (per 1M tokens)
| Input | $2.00 |
| Output | $12.00 |
| Cache Read | — |
| Cache Write | — |
| Blended (3:1) | $4.50 |
Specs & Performance
| Context Length | 1.1M |
| Max Output | 128K |
| Intelligence | 42 |
| Coding | 77 |
| Math | — |
| Speed | 126 tok/s |
| TTFT | 65.50s |
| CPS Grade | A |
| Input / Output Modalities | file, image, text → text |
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FAQ
How much does the OpenAI: GPT-5.6 Terra API cost?
OpenAI: GPT-5.6 Terra costs $2.00/1M input tokens and $12.00/1M output tokens. Blended cost at a 3:1 ratio is about $4.50/1M tokens.
What is the context window of OpenAI: GPT-5.6 Terra?
OpenAI: GPT-5.6 Terra supports a 1.1M token context window with up to 128K output tokens.
Is OpenAI: GPT-5.6 Terra worth it?
OpenAI: GPT-5.6 Terra has a CPS grade of A (score 68), intelligence index 42, coding index 77. Use the compare page to benchmark against rivals.