FreeBrain / Pricing / GPT-5.6 Terra
GPT-5.6 Terra API
Use GPT-5.6 Terra by OpenAI with the client you already have: change the base URL to FreeBrain and the model ID to gpt-5.6-terra. $0.20 per 1M input tokens, 90% below the list price.
| Model ID | gpt-5.6-terra |
|---|---|
| Provider | OpenAI |
| Context window | 1.05M tokens |
| Maximum output | 128K tokens |
| Input | text, image, pdf |
| Input price | |
| Output price | |
| Endpoints | OpenAI Chat Completions https://api.thefreebrain.com/v1/chat/completions |
Call it
Replace YOUR_API_KEY with a key from the FreeBrain console. More setups are in the quick start.
OpenAI Python SDK (Chat Completions)
from openai import OpenAI
client = OpenAI(base_url="https://api.thefreebrain.com/v1", api_key="YOUR_API_KEY")
reply = client.chat.completions.create(model="gpt-5.6-terra",
messages=[{"role": "user", "content": "Say hello from the gateway."}])
print(reply.choices[0].message.content)curl (Chat Completions)
curl https://api.thefreebrain.com/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "gpt-5.6-terra", "messages": [{"role": "user", "content": "Hello"}]}'Questions
- How much does GPT-5.6 Terra cost on FreeBrain?
- $0.20 per 1M input tokens and $1.20 per 1M output tokens (snapshot 2026-10-08), compared with OpenAI's list price of $2.00 and $12.00. You pay as you go from a prepaid balance.
- Which endpoints support GPT-5.6 Terra?
- OpenAI Chat Completions (https://api.thefreebrain.com/v1/chat/completions).
- Can I use GPT-5.6 Terra with the OpenAI SDK?
- Yes. Keep the tool, set its base URL to FreeBrain and use the model ID gpt-5.6-terra. The examples on this page show the exact settings.
- Do I need an OpenAI account?
- No. A FreeBrain API key is enough; the same key calls every model in the catalog.
More OpenAI models
- GPT-6.1 Sol — $0.20 / $1.00 per 1M tokens
- GPT-6 Astra — $1.00 / $5.00 per 1M tokens
- GPT-6 Sol — $0.20 / $1.00 per 1M tokens
- GPT-5.6 Sol — $0.50 / $3.00 per 1M tokens
- GPT-5.6 Luna — $0.05 / $0.30 per 1M tokens
- GPT-5.5 — $0.50 / $3.00 per 1M tokens
Prices are per 1 million tokens in US dollars, from the catalog snapshot of 2026-10-08. Rates can change; the console shows the price of every call. Endpoints as listed in the model plaza on 2026-10-08. Contact: info@thefreebrain.com