OpenAI
GPT-5.5
OpenAI's frontier — 1M-token context, strongest general reasoning.
Price
$5.00 per 1M input tokens
$30.00 per 1M output
curl https://tokenharbor.ai/v1/chat/completions \
-H "Authorization: Bearer $TOKENHARBOR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-5.5",
"messages": [{"role": "user", "content": "Why is the sky blue?"}]
}'Model ID
gpt-5.5Typechat
Context window1,050,000 tokens
Maximum output tokens128,000
Input$5.00 / 1M tokens
Output$30.00 / 1M tokens
CapabilitiesReasoning, Long context, Multimodal
Modalitiestext, vision