# Decisions Fast

Decisions Fast is Parallel AI’s evaluation model for fast classification and scoring grounded in live web evidence. It answers yes/no, multiple-choice, and ordered scoring questions with probabilities and citations. Each request supports up to 100 related questions sharing the same context and retrieved evidence, with flat per-request pricing.

- **Model ID:** `parallel/parallel-decisions-fast`
- **Type:** evaluation
- **Providers:** parallel
- **Context window:** 32,000
- **Maximum output tokens:** 0
- **Pricing:** See the provider details below
- **Canonical page:** https://vercel.com/ai-gateway/models/parallel-decisions-fast

## Supported parameters

Detailed capability metadata has not been reported for this model.

## Example

```ts
import { experimental_decide as decide } from 'ai';

const result = await decide({
  model: 'parallel/parallel-decisions-fast',
  state: 'The support agent issued a full refund to the customer.',
  questions: {
    refunded: {
      type: 'boolean',
      instructions: 'Was a refund issued?',
    },
  },
})
```

## Links

- [Model page](https://vercel.com/ai-gateway/models/parallel-decisions-fast)
- [AI Gateway documentation](https://vercel.com/docs/ai-gateway)
- [Provider model documentation](https://docs.parallel.ai/decisions/decisions-quickstart)
- [Provider pricing](https://docs.parallel.ai/getting-started/pricing#decisions-api)


If you encounter incorrect information, can’t find what you need, need a capability Vercel doesn’t currently offer, or have any other feedback to report, please do it by following the instructions at https://vercel.com/feedback.md.