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GPT-5.6 Terra
openaiReleased Jul 2026
openai/gpt-5.6-terra
About
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...
Context
1050K
Max output
128K
Tokenizer
GPT
Knowledge cutoff
Feb 2026
Input
file · image · text
Output
text
Pricing
per 1M tokens- Input
- $0.12
- Output
- $0.72
Use this model
curl https://api.n4n.ai/v1/chat/completions \
-H "Authorization: Bearer $N4N_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "openai/gpt-5.6-terra",
"messages": [{"role": "user", "content": "Hello!"}]
}'Authenticate with an API key from your console; prices above are per 1M tokens.
Providers
max context 1050K| Provider | Input $/1M | Output $/1M |
|---|---|---|
| Openai Router openai-router | $0.12 | $0.72 |
| Yuwu yuwu | $0.12 | $0.72 |
Supported parameters
include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetools