# PPLX Decider v1.3 (27B)

> PPLX Decider v1.3 (27B) is Perplexity's current multimodal decision model. It returns a probability distribution over a fixed set of answers, not chat text. State can be text or images, and it adds Locate span extraction.

**ID**: `perplexity/pplx-decider-v1.3`  
**Creator**: perplexity  
**Category**: text  
**Context**: 262K tokens  
**Pricing**: $0.02 / $0 per 1M · billed by your provider (BYOK)  
**Released**: 2026-11-09  
**Web page**: https://anyrouter.dev/model/perplexity/pplx-decider-v1.3

**Input modalities**: text, image  
**Output modalities**: text  

**Capabilities**: systemone

**Supported parameters**: state, model, questions

**Aliases**: `perplexity-ai/pplx-decider-v1.3`

## Usage

**Endpoint**: `POST https://anyrouter.dev/api/v1/decisions`

```bash
curl https://anyrouter.dev/api/v1/decisions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "state": "Help! My payouts have been failing for 3 days.",
  "model": "perplexity/pplx-decider-v1.3",
  "questions": {
    "is_urgent": {
      "type": "noul",
      "instructions": "Does this convey urgency?"
    }
  }
}'
```

Decisions is not chat: send `state` and typed `questions` (noul / choice / score). Requires a BYOK key for TypeSafe, LLM Gateway, Vercel AI Gateway, AIHubMix, AutoJev, or Fastino.

## Providers

| Provider | Input | Output |
| --- | --- | --- |
| perplexity-byok | $0.02/M (list) | $0 (list) |

BYOK routes are billed by your own provider key — AnyRouter charges $0. Rates marked (list) are the provider's published list price.

## Model card

- Architecture: dense [2]
- Total parameters: 27B [1,2]
- Native context: 262144 tokens [1]
- License: Apache-2.0 [2]

### Strengths [2,1]

- Improved performance and robustness across decision tasks over v1.2 (model card).
- Adds Locate, which extracts verbatim text spans from the state with character offsets and confidence scores (model card).

### Known limits [1]

- Locate needs a string state with no images, at most 128 questions, and no web grounding (API reference).

### Use cases [2]

- Routing and triage of requests
- Classification and scoring over text or images

### Links

- announcement: https://www.perplexity.ai/hub/blog/perplexity-decider
- model card: https://huggingface.co/perplexity-ai/pplx-decider-v1.3
- docs: https://docs.perplexity.ai/api-reference/decisions-post
- pricing: https://docs.perplexity.ai/api-reference/decisions-post
- Previous version: https://anyrouter.dev/model/perplexity/pplx-decider-v1.1-27b

### Sources

1. [Decisions API reference](https://docs.perplexity.ai/api-reference/decisions-post) (accessed 2026-11-13)
2. [pplx-decider-v1.3 model card](https://huggingface.co/perplexity-ai/pplx-decider-v1.3) (accessed 2026-11-13)

## Source

- Upstream docs: https://docs.perplexity.ai/api-reference/decisions-post
