GPT-5.6 Terra pricing & price history
GPT-5.6 Terra by OpenAI costs $2.00 per 1M input tokens and $12.00 per 1M output tokens, with a 1.1M token context window.
Price history
No price changes since tracking began on 2026-09-24. We check hourly.
Cost calculator
Cheaper alternatives to GPT-5.6 Terra
| Model | Input | Output | Context | Intel. | |
|---|---|---|---|---|---|
O GPT-6 Luna OpenAI | $0.10 | $0.50 | 1.1M | 37.3 | compare |
D DeepSeek V4.1 Flash DeepSeek | $0.14 | $0.42 | 1M | 39.5 | compare |
Z GLM 5.3 Flash Z.ai (Zhipu) | $0.15 | $0.50 | 1.3M | 41.8 | compare |
O GPT-5.6 Luna OpenAI | $0.20 | $1.20 | 1.1M | 37.3 | compare |
X MiMo-V2.6-Pro Xiaomi | $0.43 | $0.87 | 1M | 46.3 | compare |
Q Qwen3.8 27B Qwen (Alibaba) | $0.42 | $3.00 | 1M | 33.7 | compare |
G Gemini 3.8 Flash Google | $0.75 | $3.75 | 1M | 40.9 | compare |
G Gemini 3.7 Flash Google | $0.75 | $3.75 | 1M | 39.1 | compare |
About GPT-5.6 Terra
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...
FAQ
How much does GPT-5.6 Terra cost?
GPT-5.6 Terra by OpenAI costs $2.00 per 1M input tokens and $12.00 per 1M output tokens, with a 1.1M token context window. A typical request with 2,000 input and 500 output tokens costs about $0.01.
What is the context window of GPT-5.6 Terra?
GPT-5.6 Terra supports up to 1,050,000 tokens of context and up to 128,000 output tokens per request.
Has GPT-5.6 Terra’s price changed?
No price changes recorded since ModelBank started tracking it on 2026-09-24.
Is GPT-5.6 Terra being deprecated?
No retirement date has been announced for GPT-5.6 Terra as of 2026-09-24.
What are cheaper alternatives to GPT-5.6 Terra?
Cheaper options include GPT-6 Luna ($0.10/$0.50), DeepSeek V4.1 Flash ($0.14/$0.42), GLM 5.3 Flash ($0.15/$0.50), GPT-5.6 Luna ($0.20/$1.20).