Routers

Fusion Cheap

Fusion Cheap: the classifier selects a model and effort from the published price-quality frontier.

Call itExamples read your key from MINIROUTER_KEY.

Fusion Cheap request
curl https://api.minirouter.sh/v1/chat/completions \
  -H "Authorization: Bearer $MINIROUTER_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "minirouter/fusion:cheap",
  "messages": [
    {
      "role": "user",
      "content": "Explain an API gateway in one sentence."
    }
  ],
  "max_tokens": 256
}'

How it picksAllowed on your key, within your cost tier, healthy, and able to take the request.

A classifier labels the request. The label picks the list, best first.

No label
deepseek/deepseek-v4.1-flash max, spacexai/grok-4.6 low, openai/gpt-5.6-terra mediumUsed when the classifier cannot answer.

Live availability: Auto models.

Pricing

  • PriceNamed in x-minirouter-model. You pay for the model that answered.Provider cost plus 10%.
  • BoundThe dearest model in the list, at this router's rate.At most $11.00 in and $55.00 out per million tokens.

Notes

Full guide: Fusion.

Esc