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OpenAI: GPT-5.6 Terra API Pricing
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...
How much does OpenAI: GPT-5.6 Terra cost for a real workload?
At 10M input + 2M output tokens per month, OpenAI: GPT-5.6 Terra costs about $44 ($20 input + $24 output). Try your own volumes in the cost calculator.
What is the official OpenAI: GPT-5.6 Terra price?
| Official (openai) | Catalog (OpenRouter) | |
|---|---|---|
| Input /1M | $2 | $2 |
| Output /1M | $12 | $12 |
| Cached input /1M | $0.2 | $0.2 |
✓ Matches the official list price. Source: openai official pricing page, checked 2026-10-21.
What are cheaper alternatives to OpenAI: GPT-5.6 Terra?
- MoonshotAI: Kimi K3 (batch) — $2.28 in / $11.4 out per 1M
- Xiaomi: MiMo-V2.6-Pro-UltraSpeed — $4.35 in / $8.7 out per 1M
- OpenAI: GPT Audio — $2.5 in / $10 out per 1M
- Cohere: Command A — $2.5 in / $10 out per 1M
- OpenAI: GPT-4o (2024-11-20) — $2.5 in / $10 out per 1M
- Cohere: Command R+ (08-2024) — $2.5 in / $10 out per 1M
Where to run OpenAI: GPT-5.6 Terra
AI/ML API: one API key for 400+ models, including most models tracked here · Novita AI: pay-as-you-go APIs for open models (DeepSeek, Qwen, Llama and more) plus GPU cloud. Prices there follow each platform's own catalog and can differ from the list prices tracked here.
Run it on AI/ML API →Run it on Novita AI →
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Compare OpenAI: GPT-5.6 Terra with other models
OpenAI: GPT-5.6 Terra vs OpenAI: gpt-oss-20bOpenAI: GPT-5.6 Terra vs OpenAI: gpt-oss-20b (batch)OpenAI: GPT-5.6 Terra vs OpenAI: gpt-oss-120b (batch)OpenAI: GPT-5.6 Terra vs OpenAI: GPT-5 Nano (batch)OpenAI: GPT-5.6 Terra vs OpenAI: GPT-4.1 Nano (batch)OpenAI: GPT-5.6 Terra vs OpenAI: GPT-6 Luna Pro (batch)
Frequently asked questions
How much does OpenAI: GPT-5.6 Terra cost?
OpenAI: GPT-5.6 Terra costs $2 per 1M input tokens and $12 per 1M output tokens (list price, snapshot October 22, 2026). At 10M input + 2M output tokens per month that is about $44.
What is the context window of OpenAI: GPT-5.6 Terra?
OpenAI: GPT-5.6 Terra has a context window of 1,050,000 tokens and can return up to 128,000 output tokens per response.
What are cheaper alternatives to OpenAI: GPT-5.6 Terra?
Cheaper models include MoonshotAI: Kimi K3 (batch) ($2.28 in / $11.4 out), Xiaomi: MiMo-V2.6-Pro-UltraSpeed ($4.35 in / $8.7 out), OpenAI: GPT Audio ($2.5 in / $10 out). See the full list on this page.
Is OpenAI: GPT-5.6 Terra free to use?
No. OpenAI: GPT-5.6 Terra is a paid model at $2 input / $12 output per 1M tokens. 21 free models are listed on the free models page.
What is the official price of OpenAI: GPT-5.6 Terra?
On openai's official pricing page (checked 2026-10-21), OpenAI: GPT-5.6 Terra is listed at $2 per 1M input tokens and $12 per 1M output tokens. The catalog price tracked on this page matches it exactly.
Provider: openai · Model ID: openai/gpt-5.6-terra · Modality: text+image+file->text · Price snapshot October 22, 2026, refreshed daily. How we collect prices