Perplexity: Decider V1 27B - API in Egypt, billed in EGP

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perplexitypplx-decider-v1-27b

Decider V1 27B is a decision model from Perplexity. Instead of generating text, it reads content passed as `state` and returns typed, probabilistic answers to one or more named questions

Modality

Decision

Context window

262K tokens

Max output

236K tokens

Region

US

Published

04 Oct 2026

Pricing

Input

2.30

EGP per 1M tokens

Output

Free

EGP per 1M tokens

Monthly cost example

115.1 EGP

Illustrative estimate: 50M input + 15M output tokens per month at this model's catalog rates.

Use it via the API

Perplexity: Decider V1 27B is a System One decision model: send a state and named, typed questions (yes/no, multiple choice, or score) and get one typed answer per question back. The endpoint is TypeSafe-compatible, so the TypeSafe SDK works with base URL https://dev-backend.sovereigneg.com. Read the System One guide.

Run inference

OpenAI-compatible — POST /v1/systemone — drop-in for any OpenAI SDK.

import httpx

response = httpx.post(
    "https://dev-backend.sovereigneg.com/v1/systemone",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
        "model": "pplx-decider-v1-27b",
        "state": "I paid for my order twice and it still has not arrived after a week.",
        "questions": {
            "refund": {
                "type": "noul",
                "instructions": "Is the customer asking for money back?",
            },
            "team": {
                "type": "choice",
                "instructions": "Which team should handle this?",
                "criteria": {
                    "billing": "Charges, refunds, invoices",
                    "shipping": "Delivery and tracking",
                    "technical": "Bugs and outages",
                },
            },
            "urgency": {
                "type": "score",
                "instructions": "How urgent is this?",
                "criteria": ["Can wait", "Handle today", "Handle now"],
            },
        },
    },
    timeout=30,
)
answers = response.json()["answers"]
print(answers["refund"]["noul"])    # probability of yes, 0-1
print(answers["team"]["choice"])    # e.g. "billing"
print(answers["urgency"]["score"])  # 0-2, can land between levels

Frequently asked questions

How much does Perplexity: Decider V1 27B cost?

2.30 EGP per 1M input tokens; Output tokens are free. Billing is metered per token in Egyptian pounds (EGP), with no minimum commitment.

What is the context window of Perplexity: Decider V1 27B?

Perplexity: Decider V1 27B supports a context window of 262,144 tokens (262K), with up to 235,929 output tokens per response.

Where is Perplexity: Decider V1 27B hosted?

Perplexity: Decider V1 27B is served from US (US-hosted inference).

How do I use Perplexity: Decider V1 27B via the API?

Perplexity: Decider V1 27B is a System One decision model. Send a state and typed questions (yes/no, multiple choice, or score) to /v1/systemone with model "pplx-decider-v1-27b" and your API key — the TypeSafe-compatible contract, so the TypeSafe SDK works with base URL https://dev-backend.sovereigneg.com.