OpenAI
GPT-5.4
Workhorse GPT-5 with 1M-token context. Frontier reasoning at workhorse pricing.
Price
$2.50 per 1M input tokens
$15.00 per 1M output
curl https://tokenharbor.ai/v1/chat/completions \
-H "Authorization: Bearer $TOKENHARBOR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-5.4",
"messages": [{"role": "user", "content": "Why is the sky blue?"}]
}'Model ID
gpt-5.4Typechat
Context window1,050,000 tokens
Maximum output tokens128,000
Input$2.50 / 1M tokens
Output$15.00 / 1M tokens
CapabilitiesReasoning, Long context, Multimodal
Modalitiestext, vision