CockroachDB vs Azure Cosmos DB: Which Should You Choose in 2026?

Choosing between CockroachDB and Azure Cosmos DB 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:

CockroachDB

Distributed SQL database built for cloud

Best for you if:

  • • You want the higher-rated option (8.8/10 vs 8.6/10)
  • • You want to try before committing
  • CockroachDB is a distributed SQL database that survives failures and scales horizontally
  • It provides PostgreSQL compatibility with automatic sharding and multi-region deployment

Azure Cosmos DB

Globally distributed multi-model database on Azure

Best for you if:

  • Azure Cosmos DB is a globally distributed NoSQL database with multiple consistency models
  • It provides single-digit millisecond latency and automatic scaling worldwide
At a Glance
CockroachDBCockroachDB
Azure Cosmos DBAzure Cosmos DB
Price
Free + PaidPaid
Best For
Managed DatabasesManaged Databases
Rating
88/10086/100
FeatureCockroachDBAzure Cosmos DB
Pricing ModelFreemiumPaid
Editorial Score
88
86
Community RatingNo ratings yetNo ratings yet
Total Reviews00
Community Upvotes
0
0
Categories
Managed DatabasesServerless Databases
Managed DatabasesDatabase Builders

Understanding the Differences

Both CockroachDB and Azure Cosmos DB solve similar problems, but they approach them differently.CockroachDB positions itself as "distributed sql database built for cloud" while Azure Cosmos DBfocuses on "globally distributed multi-model database on azure". These differences matter depending on what you're trying to accomplish.

When to Choose CockroachDB

CockroachDB makes sense if you're looking for a budget-friendly option with a free tier solution. With a score of 88/100, it's our top pick in this comparison.

When to Choose Azure Cosmos DB

Azure Cosmos DB is worth considering if you need a professional-grade tool.

Who Should Use What?

Bootstrapped or small team?

When every dollar counts, CockroachDB lets you get started without pulling out your credit card.

We'd pick: CockroachDB

Growing fast?

Your team doubled last quarter and you need tools that won't break when you add 50 more people. CockroachDB handles scale better in our testing.

We'd pick: CockroachDB

Enterprise with complex needs?

You need SSO, compliance certifications, and a support team that picks up the phone. Azure Cosmos DB takes enterprise seriously.

We'd pick: Azure Cosmos DB

Still not sure? Answer these 3 questions

1

How much can you spend?

Tight budget? Start free with CockroachDB, upgrade when you're ready.

2

Do you care what other users think?

Both have similar review counts. Read a few before you commit.

3

Expert opinion or crowd wisdom?

Our team rated CockroachDB higher (88/100). But the community has upvoted Azure Cosmos DB more (0 votes). Pick your source of truth.

Key Takeaways

What CockroachDB Does Better

  • Higher overall score (88/100)
  • Our recommendation for most use cases

Consider Azure Cosmos DB If

  • 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 CockroachDB (88/100). But the honest answer is that "better" depends on your situation. CockroachDB scores higher in our analysis, but Azure Cosmos DB 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 CockroachDB or Azure Cosmos DB better?

Based on our analysis, CockroachDB scores higher with 88/100. CockroachDB isfreemium while Azure Cosmos DB is paid. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.

Can I switch from CockroachDB to Azure Cosmos DB 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 CockroachDB and Azure Cosmos DB offer free trials?

Most software in this category offers free trials or free tiers. CockroachDB is freemium with a free tier.Azure Cosmos DB is paid with potential trial. Visit their websites for current trial offers.

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