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Description

d1 represents the inaugural decision model from Liquid AI, designed to provide answers to structured inquiries regarding a scenario through probabilities instead of generating textual responses. This model processes unstructured data, including text and images, alongside one or more questions in a single streamlined forward pass, delivering probabilities without producing output tokens. It accommodates three distinct question formats: noul for binary yes-or-no decisions, choice for selecting from various labels with associated probabilities, and score for assessing an input along an ordered scale using probability-based levels. Furthermore, d1 can evaluate multiple questions simultaneously within a single request, enhancing its utility in real-time decision-making processes. Liquid AI showcases d1 in various applications, including filtering support tickets, navigating code repositories, categorizing documents into intelligent folders, managing websites, condensing agent context, inspecting industrial components, and even engaging in gameplay from screenshots, illustrating its versatile capabilities. This model's ability to handle diverse data types and provide rapid responses indicates a significant advancement in decision-making technology.

Description

Perplexity Decider is a sophisticated decision model with 27 billion parameters, derived from Qwen3.8-27B, specifically tailored for structured classification and multimodal decision-making tasks. Instead of producing freeform text, it processes an input state along with a specified decision schema to deliver the chosen outcome along with calibrated probabilities. The model is adept at making choice decisions from a set of predefined categories, as well as noul decisions that evaluate the likelihood of a yes-or-no answer. Furthermore, it is capable of processing images in conjunction with text, enabling it to make informed decisions based on visual data such as screenshots. Typical applications include directing support inquiries to appropriate teams like billing, technical support, or sales, and assessing whether a communication conveys a sense of urgency. Perplexity Decider boasts an impressive overall accuracy rate of 85.71% across 11 distinct benchmarks, such as FinancialPhraseBank, RAGTruth, JudgeBench, TabFact, ContractNLI, Circa, Belebele, and TruthfulQA binary, showcasing its versatility and effectiveness in various decision-making scenarios. This high level of accuracy underscores the model's potential to enhance automated systems requiring nuanced interpretation of both text and images.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

Claude Opus 5.5 Yes 
GPT-6.1 Sol Yes 
Hugging Face Yes 
OpenRouter Yes 
Perplexity Decisions API No 
Qwen3.8-27B No 
Vercel Yes 

Integrations

Claude Opus 5.5 No 
GPT-6.1 Sol No 
Hugging Face No 
OpenRouter No 
Perplexity Decisions API Yes 
Qwen3.8-27B Yes 
Vercel No 

Pricing Details

Free
Free Trial Yes 
Free Version Yes 

Pricing Details

Free
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars Yes 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Liquid AI

Founded

2023

Country

United States

Website

www.liquid.ai/blog/d1-decision-model

Vendor Details

Company Name

Perplexity

Founded

2022

Country

United States

Website

huggingface.co/perplexity-ai/pplx-decider-v1-27b

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