Lex
AI-powered word processor, to help you write faster
Mistral AI
Open and portable generative AI for devs and businesses
Updated February 2026
| Lex | Mistral AI | |
|---|---|---|
| Rating | 4.5★ | 5.0★ |
| Reviews | 13 | 32 |
| Pros | 10 | 21 |
| FactScore™ | 51.1 | 75.9 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Lex — Pros
Easy to use User-friendly interface Writing assistance Focus on writing Improves writing skills Active feedback/roadmap updates AI autocomplete Built-in search Headline generation Minimalistic designBoth tools — Pros
—Only in Mistral AI — Pros
Open source models Open technology commitment Performance and scalability Support for AI community Cost-effective solutions Optimized commercial models Flexible deployment options Memory efficiency Permissive licensing Seamless API integration AI infrastructure Best ddos protection Data sovereignty and security Easy prototyping and experimenting European model Fine-tuning capabilities GDPR compliance Long context windows Powerful MoE architecture State-of-the-art transformer-based models Support for multiple programming languagesOnly in Lex — Cons
Confusing design choices Lack of guidance Limited editing capabilities No automatic exportBoth tools — Cons
—Only in Mistral AI — Cons
—Details
| Lex | Mistral AI | |
|---|---|---|
| Categories | LLMs, AI Chatbots, Writing assistants | LLMs, AI Chatbots, AI Infrastructure Tools |
| Platforms | Web | Web · iOS · Android |
| Became Popular | October 17, 2022 | September 29, 2023 |
| Website | lex.page | mistral.ai |
Who Should Pick Which?
Choose Lex if...
- Easy to use
- User-friendly interface
- Writing assistance
Choose Mistral AI if...
- Open source models
- Open technology commitment
- Performance and scalability
With a FactScore™ of 51.1 vs 75.9, Mistral AI leads in community reception. Lex uniquely offers Easy to use and User-friendly interface, while Mistral AI stands out for Open source models and Open technology commitment.
What Users Say
Lex
I mainly use this to get me started on written content, and the +++ command is super intuitive. The AI assistant is a tad unintuitive. It can't yet make changes to your writing, or export your doc ...
Wow! I'm testing Lex this morning. I copy-pasted the first two paragraphs of a post I wrote to see what Lex would do… To say that I'm impressed is an understatement 🤯 I haven't been excited like t...
In my opinion, Lex.page is a powerful tool that can help writers streamline their writing process and produce high-quality content. Lex provides a clean and user-friendly interface for writing and ...
Mistral AI
A special thanks to Mistral AI for their exceptional generative AI solutions. As an EU-based team, their commitment to GDPR compliance aligns seamlessly with our mission to provide privacy-first mo...
Affordable and powerful LLM. We love using Mixtral 8x7b with the flexibility of using any deployment infrastructure we choose.
We use Mistral as an endpoint in our team builder flow; you can combine this model with all available models.
Related Comparisons
Frequently Asked Questions
Which is better, Lex or Mistral AI?
Based on FactScore™, Mistral AI leads with a score of 75.9 vs 51.1. Mistral AI has a higher rating of 5.0★ compared to 4.5★.
What are the pros of Lex compared to Mistral AI?
Lex uniquely offers: Easy to use, User-friendly interface, Writing assistance, Focus on writing, Improves writing skills.
What are the pros of Mistral AI compared to Lex?
Mistral AI uniquely offers: Open source models, Open technology commitment, Performance and scalability, Support for AI community, Cost-effective solutions.
Is Lex better rated than Mistral AI?
Lex is rated 4.5★ from 13 reviews. Mistral AI is rated 5.0★ from 32 reviews.
What is the FactScore™ of Lex and Mistral AI?
FactScore™ weighs rating and review volume together. Lex scores 51.1 and Mistral AI scores 75.9.
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