Neon vs Redis
Updated . Stats refresh daily.
Short answer: These tools complement each other—use both in your stack!
At a glance
| Attribute | Neon | Redis |
|---|---|---|
| Pricing model | Freemium | Open Source |
| Main job | Serverless Postgres | In-Memory Cache |
| GitHub stars | 23,133 | 76,498 |
| npm downloads a week | 4.4M | 15M |
| Latest release | release-proxy-8853, 1 year ago | 8.10.2, 1 week ago |
| Founded | 2021 | 2009 |
| Primary Use | Application database | Caching / sessions / queues |
| Data Storage | Disk (persistent) | Memory (volatile) |
| Query Complexity | SQL (joins, complex queries) | Simple key-value |
| Speed | Fast (milliseconds) | Ultra-fast (microseconds) |
| Data Durability | ACID guarantees | Volatile (unless persistence enabled) |
| Typical Scale | GB to TB | MB to GB (in memory) |
| Serverless | Yes (scale-to-zero) | No (always-in-memory) |
| Branching | Yes (database branches) | No |
| Best For | Primary database | Cache, sessions, rate limiting |
| Pricing | $19/mo (Launch) | $5/mo (100MB cache) |
Key differences
Primary Purpose
Neon is a full application database (durable PostgreSQL storage with complex queries). Redis is an in-memory cache/data structure store (ephemeral, ultra-fast). Neon is your database; Redis is your cache.
Data Persistence
Neon persists all data to disk (PostgreSQL durability). Redis stores data in RAM (volatile by default, optional persistence). Neon is durable; Redis is fast.
Complementary Roles
These tools work together, not compete. Most apps use Neon for database + Redis for caching layer. They solve different problems.
Pricing
Neon
Free: 0.5GB storage, shared compute. Launch: $19/mo for 10GB, always-on. Your primary database cost.
Redis
Redis Cloud Free: 30MB. Paid: $5/mo for 100MB. Self-hosted: Free (open source). Very cheap for caching layer.
Prices change often. Check each vendor's pricing page before you commit.
Strengths and weaknesses
Neon
Strengths
- Durable, persistent database
- Complex SQL queries and relations
- Serverless with scale-to-zero
- Database branching for development
Weaknesses
- Slower than in-memory (milliseconds vs microseconds)
- Not optimized for caching use cases
- More expensive for simple key-value needs
- Overkill if you just need cache
Redis
Strengths
- Extremely fast (in-memory, microseconds)
- Perfect for caching, sessions, rate limits
- Pub/Sub for realtime messaging
- Very affordable for caching
Weaknesses
- Not a primary database (data is volatile)
- No complex SQL queries
- Limited by available RAM
- Data loss on restart (unless persistence configured)
Questions
Can Redis replace Neon as my database?
No! Redis is in-memory and volatile—not suitable as primary database. Use Neon for persistent data, Redis for ephemeral caching/sessions.
How do Neon and Redis work together?
Common pattern: Store data in Neon. Cache frequently-accessed queries in Redis. Check Redis first (fast hit); query Neon on miss. This reduces database load and improves performance.
Should I always use both?
Not always. Start with just Neon for simplicity. Add Redis when you need caching for performance or cost optimization. Most production apps eventually use both.
Is Redis faster than Neon?
Yes, much faster (microseconds vs milliseconds) because it's in-memory. But Neon is durable and supports complex queries. Different trade-offs.
Which is cheaper?
Redis is cheaper for its use case ($5/mo for cache). Neon is cheaper for database needs ($19/mo). Both are affordable when used correctly.