GPT-5.6 Terra

New

by OpenAI

OpenAI mid tier of the GPT-5.6 family, balancing intelligence and cost with vision, tool calling, and a 1.05M context window.

Parameters
Balanced
Context Length
1M
Category
chat
Available Serverless

Run queries immediately, pay only for usage

$2.10in|$12.60out

Per 1M Tokens

Try this modelView documentation

About this model

GPT-5.6 Terra is the balanced tier of the GPT-5.6 family, trading some of Sol's reasoning depth for a much lower price while keeping the same 1.05M-token context window, vision, and tool calling. It suits everyday production traffic that still needs frontier-family quality.

Capabilities

ReasoningVisionTool callingCode generationLong context (1.05M)

Use Cases

  • Production apps
  • Agents
  • Code assistance
  • Data analysis

Model Details

Provider
OpenAI
Model ID
gpt-5.6-terra
Parameters
Balanced
Context Length
1M tokens
Category
chat

API Usage

Use the DOS API to integrate GPT-5.6 Terrainto your applications. Our API is compatible with OpenAI's client libraries for easy migration.

Model ID

gpt-5.6-terra

Python

python
from dos import DOS

client = DOS()

response = client.chat.completions.create(
    model="gpt-5.6-terra",
    messages=[
        {"role": "user", "content": "Hello, how are you?"}
    ]
)

print(response.choices[0].message.content)

cURL

bash
curl https://api.dos.ai/v1/chat/completions \
  -H "Authorization: Bearer $DOS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.6-terra",
    "messages": [
      {"role": "user", "content": "Hello, how are you?"}
    ]
  }'

Node.js

javascript
import DOS from 'dos-ai';

const client = new DOS();

const response = await client.chat.completions.create({
  model: "gpt-5.6-terra",
  messages: [
    { role: "user", content: "Hello, how are you?" }
  ]
});

console.log(response.choices[0].message.content);