Perplexity Introduces Online LLMs With Real-Time Information

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            Perplexity Introduces Online LLMs With Real-Time Information

Perplexity, a San Francisco-based startup, has unveiled two new online large language models (LLMs) called pplx-7b-online and pplx-70b-online.

These online LLMs aim to overcome key limitations of many existing LLMs: the inability to provide up-to-date information and a tendency to hallucinate inaccurate facts.

What Are Online LLMs?

Perplexity’s online LLMs can tap into the latest information from the internet to generate responses, making them uniquely capable of answering queries that depend on recent events or data.

For example, the models can report the latest sports scores, stock prices, or the latest Google news developments.

This real-time grounding contrasts with offline LLMs like GPT-3 that rely solely on their training data, which gradually becomes outdated.

In addition, Perplexity employs various techniques to maximize factual accuracy and minimize the generation of false information.

The PPLX models build on top of the open-sourced Mistral-7B and Llama2-70B models and have been specifically fine-tuned by Perplexity on diverse, high-quality datasets to optimize for helpfulness and factuality.

In-house search technology: our in-house search, indexing, and crawling infrastructure allows us to augment LLMs with the most relevant, up to date, and valuable information. Our search index is large, updated on a regular cadence, and uses sophisticated ranking algorithms to ensure high quality, non-SEOed sites are prioritized. Website excerpts, which we call “snippets”, are provided to our pplx-online models to enable responses with the most up-to-date information.

How Do PPLX Models Compare To GPT 3.5?

Early testing provided by the company indicates Perplexity’s online LLMs match or exceed the capabilities of leading proprietary LLMs like GPT-3.5 across benchmarks measuring robustness, helpfulness, and knowledge across academic subjects.

PPLX models’ ability to tap into the latest online information allows them to provide timely facts and data in response to queries.

Screenshots from Perplexity, November 2023

How To Access Perplexity’s New Online LLMs

The models are publicly accessible via Perplexity’s API and Labs web interface, allowing developers to integrate the technology into their own applications and websites.

The release of these highly capable yet affordable online LLMs marks a pivotal moment for the democratization of AI, according to Perplexity CEO Aravind Srinivas.

By providing access to the latest information and insights from the web, Perplexity’s models help level the playing field between large tech firms and smaller organizations looking to benefit from AI.

With further performance gains on the horizon, Perplexity envisions a new paradigm for search and information discovery centered around conversational interfaces. Its online LLMs hint at a future when we can query an AI assistant much like a human expert – and receive timely, factual, and nuanced responses.

Featured image: Jamie Jin/Shutterstock

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