MySQL vs Cassandra: Which Should You Choose in 2026?
Choosing between MySQL and Cassandra comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
MySQL
Popular open-source relational database
Best for you if:
- • You want the higher-rated option (8.4/10 vs 8.2/10)
- • MySQL is the world's most popular open-source relational database
- • It powers millions of websites and applications with reliable performance
Cassandra
Distributed NoSQL database for massive scale
Best for you if:
- • Apache Cassandra is a distributed NoSQL database designed for massive scalability
- • It handles petabytes of data across multiple data centers with no single point of failure
| At a Glance |  MySQL |  Cassandra |
|---|---|---|
Price | Free | Free |
Best For | Database Builders | Database Builders |
Rating | 84/100 | 82/100 |
| Feature | MySQL | Cassandra |
|---|---|---|
| Pricing Model | Free | Free |
| Editorial Score | 84 | 82 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Database BuildersManaged Databases | Database BuildersManaged Databases |
Understanding the Differences
Both MySQL and Cassandra solve similar problems, but they approach them differently.MySQL positions itself as "popular open-source relational database" while Cassandrafocuses on "distributed nosql database for massive scale". These differences matter depending on what you're trying to accomplish.
When to Choose MySQL
MySQL makes sense if you're looking for a completely free solution. With a score of 84/100, it's our top pick in this comparison.
When to Choose Cassandra
Cassandra is worth considering if you need a free tool.
Who Should Use What?
Bootstrapped or small team?
When every dollar counts, MySQL lets you get started without pulling out your credit card.
We'd pick: MySQL
Growing fast?
Your team doubled last quarter and you need tools that won't break when you add 50 more people. MySQL handles scale better in our testing.
We'd pick: MySQL
Enterprise with complex needs?
You need SSO, compliance certifications, and a support team that picks up the phone. Both have enterprise tiers—compare their security features.
We'd pick: MySQL
Still not sure? Answer these 3 questions
How much can you spend?
Nothing at all? MySQL is completely free.
Do you care what other users think?
Both have similar review counts. Read a few before you commit.
Expert opinion or crowd wisdom?
Our team rated MySQL higher (84/100). But the community has upvoted Cassandra more (0 votes). Pick your source of truth.
Key Takeaways
What MySQL Does Better
- Higher overall score (84/100)
- Our recommendation for most use cases
Consider Cassandra If
- You need a completely free solution
- Its specific features better match your workflow
- You prefer its interface or design approach
The Bottom Line
If we had to pick one, we'd go with MySQL (84/100). But the honest answer is that "better" depends on your situation. MySQL scores higher in our analysis, but Cassandra might be the right choice if its specific strengths align with what you need most. Take advantage of free trials to test both before committing.
Frequently Asked Questions
Is MySQL or Cassandra better?
Based on our analysis, MySQL scores higher with 84/100. MySQL isfree while Cassandra is free. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.
Can I switch from MySQL to Cassandra easily?
Migration difficulty varies. Check if both tools support data export/import in compatible formats. Some tools offer migration assistance or have integration partners who can help with the transition.
Do MySQL and Cassandra offer free trials?
Most software in this category offers free trials or free tiers. MySQL is completely free.Cassandra is completely free. Visit their websites for current trial offers.