TiDB vs CockroachDB: Which is Better in 2026?
Choosing between TiDB and CockroachDB 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.
Bottom line: CockroachDB wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick. Pick TiDB if you need a free tier to start with.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
TiDB
Distributed SQL database for hybrid workloads
Best for you if:
- • You want distributed MySQL
CockroachDB
Distributed SQL database built for cloud
Best for you if:
- • You want distributed SQL
| At a Glance | TiDB | CockroachDB |
|---|---|---|
Starts at | Free Free plan | Free Free plan |
Category | Data & Databases Cloud & Infrastructure | Data & Databases Cloud & Infrastructure |
Rating | 4.6/5 G2 4.6 67 reviews | 4.3/5 G2 4.3 29 reviews |
Free plan | Yes | Yes |
Watch out for | Overage fees for storage/RUs beyond free tier in Cloud Serverless. | Request Unit consumption varies dramatically by query complexity. A simple key lookup costs ~1 RU, but a full table scan or complex JOIN can consume thousands of RUs. The 50M free RUs can evaporate quickly with unoptimized queries. |
Choose TiDB or CockroachDB?
Choose TiDB if
- You want distributed MySQL
- You want good scalability
Choose CockroachDB if
- You want distributed SQL
- You want PostgreSQL compatible
In-Depth Analysis
TiDB
Distributed SQL database for hybrid workloads
TiDB's pricing is quite generous, offering substantial free tiers for both self-hosted and cloud serverless options.
Watch out
Overage fees for storage/RUs beyond free tier in Cloud Serverless.
Strengths
- Pro: Distributed MySQL
- Pro: Good scalability
- Pro: MySQL compatible
- Pro: Active development
- Pro: Open source
Weaknesses
- Con: Operational complexity
- Con: Learning curve
- Con: Resource intensive
- Con: Cloud expensive
- Con: Compatibility gaps
Key features
CockroachDB
Distributed SQL database built for cloud
CockroachDB offers one of the most compelling free tiers in the database market, 50M Request Units and 10 GiB storage per month with scale-to-zero is enough to run a real production app at low traffic for free.
Watch out
Request Unit consumption varies dramatically by query complexity. A simple key lookup costs ~1 RU, but a full table scan or complex JOIN can consume thousands of RUs. The 50M free RUs can evaporate quickly with unoptimized queries.
Strengths
- Pro: Distributed SQL
- Pro: PostgreSQL compatible
- Pro: Multi-region
- Pro: Strong consistency
- Pro: Good scaling
Weaknesses
- Con: Complex operations
- Con: Expensive at scale
- Con: Learning curve
- Con: Latency vs single-node
- Con: Specific use cases
Key features
Pricing: TiDB vs CockroachDB
| Plan | TiDB | CockroachDB |
|---|---|---|
| Tier 1 | Free Community (Self-Hosted) | Free Basic |
| Tier 2 | Free Cloud Serverless | $0.18 /hour (2 vCPUs) Standard |
| Tier 3 | Custom Cloud Dedicated | $0.6 /hour (4 vCPUs) Advanced |
Pricing verified from each vendor's public pricing page. Compare in detail on TiDB pricing and CockroachDB pricing.
Key Takeaways
CockroachDB
- Free tier available
- Our pick for this comparison
TiDB
- Higher user rating: 4.6/5 vs 4.3/5
- Larger review base (67 reviews)
The Bottom Line
CockroachDB wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick.
Frequently Asked Questions
Is TiDB or CockroachDB better in 2026?
CockroachDB wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick. Pick TiDB for data & databases workflows (main strength: distributed MySQL). Pick CockroachDB for data & databases workflows (main strength: distributed SQL).
What are TiDB and CockroachDB used for?
TiDB: Distributed SQL database for hybrid workloads. CockroachDB: Distributed SQL database built for cloud.
What does TiDB cost vs CockroachDB?
TiDB pricing is on their site. CockroachDB's paid plans start at Free (Standard).
What's the main difference between TiDB and CockroachDB?
TiDB's main strength: distributed MySQL. CockroachDB's main strength: distributed SQL.