Perplexity Decisions APIPerplexity
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Related Products
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About
Perplexity’s Decisions API is built for fast, structured decisions that software can use directly. Instead of generating free-form text, it reads natural-language text, JSON, or images as shared state and returns typed answers with probabilities. Developers can attach one or more named questions to the same input and choose among three question types. noul handles yes-or-no judgments and returns the probability of yes from 0 to 1. choice selects from developer-defined options and returns the most likely option, the probability of every option, and a confidence score. score evaluates content against an ordered rubric and returns a probability-weighted score, the full probability distribution, and confidence. The API is designed for tasks such as classification, routing, grading against a rubric, severity assessment, sentiment analysis, or any decision that can be compared against a threshold.
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About
Suikou AI is a global AI writing naturalizer (humanizer) with a built-in AI text detector. Paste AI-generated text and it rewrites it into natural, human-sounding prose in three registers — casual, academic, and business — in seconds. The detector scores any text for AI probability, perplexity, and burstiness so you know how "machine" your writing reads. Built by a Kyoto NLP researcher, Suikou AI's Japanese support is best-in-class: a morphology-aware engine that generic humanizers can't match, while working great across English and other languages too. Free tier covers 500 words/day; paid plans start at $9.99/mo, with a 50% student discount via .edu email verification.
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Supported
Cloud
Not Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Developers and AI application teams seeking to classify, route, score, and evaluate text, structured data, or images through fast probability-based decisions
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Audience
Academic writers and graduate students (thesis, dissertation, IEEE submissions), Japanese researchers and university students who need morphology-aware Japanese naturalization, plus content creators and non-native English writers who want their AI-assisted drafts to read naturally.
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and VideosNo images available
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Pricing
No information available.
Free Version
Not Supported
Free Trial
Not Supported
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Pricing
$9.99/month
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationPerplexity
Founded: 2022
United States
docs.perplexity.ai/docs/decisions/quickstart
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Company InformationSuikou AI
Founded: 2026
Japan
suikouai.com
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Categories |
Categories |
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Integrations
JSON
Supported
OpenAI
Supported
Perplexity Decider
Supported
Python
Supported
TypeScript
Supported
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Integrations
JSON
Not Supported
OpenAI
Not Supported
Perplexity Decider
Not Supported
Python
Not Supported
TypeScript
Not Supported
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