What’s Mistral AI and How To Use It [Step by Step]

This article will guide you through Mistral AI’s history, products, features, and how to get with their generative AI.
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In June 2024, Mistral AI raised €600 million (around $640 million) in a Series B funding round led by General Catalyst, bringing its valuation to nearly €6 billion. This significant investment highlights Mistral AI’s potential to innovate and lead in the AI sector. 

Indeed, French President Emmanuel Macron recently said the Paris-based artificial intelligence startup is an example of how a new generation of European startups can compete with the biggest US tech companies like OpenAI. 

This article will guide you through Mistral AI’s history, products, features, and how to get with their generative AI. 

What is Mistral AI?

Mistral AI's mission is to develop "open and portable generative AI for devs and businesses".

Founded in 2023 by former Google DeepMind and Meta employees, Arthur Mensch, Charles Gorintin, and Guillaume Lample, Mistral AI specializes in the development of open-source large language models (LLMs). 

Despite being a “relatively new entrant” to the AI sector, the company aims to rival the best-performing AI models today, such as OpenAI’s GPT-4o, Anthropic’s Claude 3, and Meta’s Llama 3.

Mistral AI’s Funding and Growth

In June 2023, the merely four-week-old startup picked up a €105 million ($113 million) round of seed funding at a valuation of €240 million ($260 million) to develop foundational models. 

According to the Financial Times, Mistral AI employs about 60 people, with 45 based in France, 10 in the US, and 5 in the UK. Approximately three-quarters of the staff are focused on product development and research.

Mistral AI’s Open-Source Models

Mistral AI is dedicated to advancing the AI community by offering its open models for free under the Apache 2.0 license, which permits unrestricted use. So far, Mistral AI has released 3 open-source models, Mistral 7B, Mixtral 8x7B, and Mixtral 8x22B. Here, we have summarized each open-source model’s key features and pricing information:

Model

Features

Price (Input / Output per 1M Tokens)

Mistral 7B

  • 7B Transformer model
  • English and code
  • 32k tokens

$0.25 / $0.25

Mixtral 8x7B

  • 7B sparse Mixture-of-Experts (SMoE)
  • 12.9B active parameters out of 45B total
  • English, French, Italian, German, Spanish, and code
  • 32k tokens

$0.7/$0.7

Mixtral 8x22B

  • 22B sparse Mixture-of-Experts (SMoE)
  • 39B active parameters out of 141B
  • 64k tokens

$2/$6

Mistral AI’s Commercial Models

In addition to three open-source models, Mistral AI has developed three commercial models, Mistral Small, Mistral Large, and Mistral Embed. These models are designed for different levels of task complexity, each equipped with advanced capabilities like function calling and JSON outputs. 

Model

Key Features

Context Window

Mistral Small

  • Cost efficient
  • Low latency
  • Multilingual
  • Strong in code

32k tokens

Mistral Large

  • High complexity
  • Multilingual
  • Strong in code

32k tokens

Mistral Embed

  • Semantic analysis for text
  • English only
  • High retrieval score on MTEB

N/A

Mistral AI’s Model for Coding: Codestral 22B

Codestral 22B is Mistral AI’s model trained specifically for code tasks. It has a 32k-token context window and supports over 80 programming languages, including:

  • Python
  • Java
  • C
  • C++
  • PHP
  • Bash
  • And more

Codestral 22B is accessible via La Plateforme and its base and Instruct versions are available through Le Chat. It’s offered under the Mistral AI Non-Production License. The pricing for using the Codestral model is set at $1 per million tokens for input and $3 per million tokens for output. 

Mistral AI’s La Plateforme and API

La Plateforme is Mistral AI’s developer platform, where you can access the Mistral AI API. 

To get started, follow these three steps:

  1. Create or Sign In to Your Account: Visit console.mistral.ai and either sign up for a new account or log in if you already have one.
  2. Set Up Payment Information: Once logged in, navigate to the “Workspace” and “Billing” sections to add your payment details and activate payments on your account.
  3. Generate and Secure Your API Key: Go to the “API keys” page, and click on “Create new key” to generate a new API key. Remember to copy and securely save your API key, and ensure it is not shared with anyone.

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Mistral AI’s Le Chat Chatbot vs. ChatGPT

Mistral AI's Le Chat

Mistral AI’s Le Chat chatbot was introduced in February 2024 to rival conversational AI models such as OpenAI’s ChatGPT and Anthropic’s Claude 2. Access to Le Chat is free and users can choose between four different models — Mistral Large, Mistral Small, Mistral Next, and Codestral. Here, we are comparing and contrasting Le Chat with ChatGPT:

Feature

Le Chat (Mistral AI)

ChatGPT (OpenAI)

AI Model

  • Mistral Large
  • Mistral Small
  • Mistral Next
  • Codestral (for code generation)
  • GPT-3.5 (free)
  • GPT-4
  • GPT-4o

Pricing

Free

Free tier; $20/month for ChatGPT Plus; $25/month for ChatGPT Team

Performance

Prioritizes accuracy and fact-based responses, often responding with “I do not have enough information to answer accurately” when uncertain.

Known for its ability to generate eloquent and engaging text, though it sometimes speculates beyond its knowledge base.

Moderation Mechanism

Features a built-in moderation system that warns users about sensitive or controversial topics.

Does not explicitly mention such a mechanism, though it has content filtering policies.

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