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OpenAI
gpt-5.4
Vendor
OpenAI
Category
Large Language Model API
Pricing
Input price / 1M tokens
$2.50
Output price / 1M tokens
$15.00
Supported endpoints
openaiQuick start
OpenAI-compatible — just change base_url to treeRouter to use this model:
curl https://treerouter.com/v1/chat/completions \
-H "Authorization: Bearer $TREEROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-5.4",
"messages": [{"role": "user", "content": "Hello"}]
}'