decide

import { decide } from 'ai-functions'

decide`criteria`(option1, option2, ...options)
decide`criteria`(option1, option2, options?)

// Compare two options
const better = await decide`which is more compelling?`(copyA, copyB)

// Compare multiple options
const best = await decide`which headline will get more clicks?`(
  'AI is Here',
  'The Future of AI',
  'Why AI Matters Now',
)

// With context in criteria
const winner = await decide`
  which design better fits ${{ brand, audience }}?
`(designA, designB, designC)

// Returns the winning option (same type as inputs)
const bestProduct = await decide`which has better value?`(productA, productB)
// bestProduct === productA or bestProduct === productB

// A/B testing
const bestHeadline = await decide`higher conversion rate?`(headlineA, headlineB)

// Content selection
const bestDraft = await decide`most engaging for ${audience}?`(...drafts)

// Code review
const betterImpl = await decide`more readable and maintainable?`(implA, implB)

// Complex decisions need more reasoning
const winner = await decide`which architecture scales better?`(archA, archB, {
  model: 'claude-opus-4-5',
  thinking: 'high',  // Enable extended thinking
})

const options = [{ name: 'A', price: 10 }, { name: 'B', price: 20 }]
const best = await decide`better value?`(...options)
// best === options[0] or best === options[1] (same reference)