GPT-5.4 nano

Model details

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GPT-5.4 nano

Model
gpt-5.4-nano
Provider
azure-openai-responses
API
azure-openai-responses
Base URL
(none)
Input
text, image
Reasoning
Yes
Context window
400,000
Max tokens
128,000
Cost / million input
$0.2
Cost / million output
$1.25
Cost / million cache read
$0.02
Cost / million cache write
$0

Also available from other providers

Model config JSON
{
  "providers": {
    "azure-openai-responses": {
      "apiKey": "YOUR_API_KEY",
      "models": [
        {
          "id": "gpt-5.4-nano",
          "name": "GPT-5.4 nano",
          "reasoning": true,
          "input": [
            "text",
            "image"
          ],
          "contextWindow": 400000,
          "maxTokens": 128000,
          "cost": {
            "input": 0.2,
            "output": 1.25,
            "cacheRead": 0.02,
            "cacheWrite": 0
          }
        }
      ],
      "api": "azure-openai-responses"
    }
  }
}