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OpenAI

GPT-5.4 mini

The strongest mini — cheap sub-agents and high-volume tasks.

GPT-5.4 mini keeps a surprising amount of the full model's coding ability at a fraction of the price. Built for sub-agents, classification, extraction and anything you run thousands of times a day.

Best for

Sub-agentsHigh volumeClassification

Strengths

  • ▸Very cheap
  • ▸Fast
  • ▸Solid coding

Use GPT-5.4 mini via AnyModel

One OpenAI-compatible endpoint — just set the model id:

curl https://anymodel.org/v1/chat/completions \
  -H "Authorization: Bearer $ANYMODEL_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.4-mini",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
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