openai/gpt-5-4-2026-03-05/Released Mar 2026

GPT 5.4

Frontier model for complex professional work with 1.05M context, configurable reasoning, and extensive tool support including computer use and MCP.

Provider

openai

Modality

Text

Released

Mar 2026

Pricing

$2.50 / 1M in$15.00 / 1M out

Ready to build with GPT 5.4?

bash

curl -sSf -X POST https://hub.oxen.ai/api/chat/completions \
    -H "Content-Type: application/json" \
    -H "Authorization: Bearer $OXEN_API_KEY" \
    -d '{
  "model": "gpt-5-4-2026-03-05",
  "messages": [
    {
      "role": "user",
      "content": "Try sending a message."
    }
  ]
}'