---
title: "Large Language Models"
description: "Brainfish is an advanced AI-driven system that utilises large language models (LLMs) to provide users with an exceptional experience. LLMs are complex models designed to understand and generate human-like text through the analysis of vast amounts of data."
canonical_url: "https://help.brainfi.sh/articles/large-language-models-DTsLnhOseF"
md_url: "https://help.brainfi.sh/articles/large-language-models-DTsLnhOseF.md"
---
# Large Language Models

Brainfish is an advanced AI-driven system that utilises large language models (LLMs) to provide users with an exceptional experience. LLMs are complex models designed to understand and generate human-like text through the analysis of vast amounts of data.

At Brainfish, these LLMs serve as the foundation for our AI technology. They enable us to offer a range of features and capabilities, such as natural language processing, content generation, and intelligent recommendations.

A key benefit of using LLMs in Brainfish is the ability to understand and interpret user inputs. This allows the system to accurately comprehend queries and provide relevant and contextually appropriate responses. Whether you're asking a question, seeking information, or requesting assistance, Brainfish's LLMs can quickly process your input and generate valuable personalised output.


### FAQs

**Which language model do you use?**

We use a combination of models primarily that we have fine tuned from sets of open-source models so that we can deliver our experience to all types of customers. 

We are also able to substitute our in house models with specific LLMs such as heavily ring-fenced versions of Gemini, Claude, GPT-5, if an enterprise customer has a particular desire to do so.


**Do you use GPT-3?**

No, Brainfish does not use GPT-3. We utilise in-house LLMs primarily to learn from and understand content about your business, and then serve this back to users in a personalised format through Brainfish AI.


**Do you use GPT-4?**

We use a combination of models primarily that we have fine tuned from sets of open-source models so that we can deliver our experience to all types of customers. 

We are also able to substitute our in house models with specific LLMs such as heavily ring-fenced versions of Gemini, Claude, GPT-5, if an enterprise customer has a particular desire to do so.


**Do you use GPT-5?**

No, Brainfish does not use GPT-5. We utilise in-house LLMs primarily to learn from and understand content about your business, and then serve this back to users in a personalised format through Brainfish AI.

We are also able to substitute our in house models with specific LLMs such as heavily ring-fenced versions of Gemini, Claude, GPT-5, if an enterprise customer has a particular desire to do so.


**Are you ChatGPT?**

No, Brainfish does not use ChatGPT and is not a ChatGPT based product. We utilise in-house LLMs primarily to learn from and understand content about your business, and then serve this back to users in a personalised format through Brainfish AI.