GPT-4.1 API
A strong long-context model for coding, retrieval, and complex workflows.
Context
1M
Input price
from $2 / 1M tokens
Output price
from $8 / 1M tokens
codinglong context
curl https://api.onemux.net/v1/chat/completions \
+ -H "Authorization: Bearer $ONEMUX_API_KEY" \
+ -H "Content-Type: application/json" \
+ -d '{"model":"gpt-4o","messages":[{"role":"user","content":"Hello OneMux"}]}'