OpenAI
Openai/Gpt 5.6 Terra Fast
Price
$4.00 per 1M input tokens
$24.00 per 1M output
curl https://tokenharbor.ai/v1/chat/completions \
-H "Authorization: Bearer $TOKENHARBOR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-5.6-terra-fast",
"messages": [{"role": "user", "content": "Why is the sky blue?"}]
}'Model ID
gpt-5.6-terra-fastTypechat
Context window1,050,000 tokens
Maximum output tokens128,000
Input$4.00 / 1M tokens
Output$24.00 / 1M tokens
Capabilities—
Modalitiestext