ORM Data v2.5.0 Updated 2026-01-27
Diesel
Safe, extensible ORM and query builder for Rust
12k 800k/month (crates) No known vulns N/A (compiled)
80 /100
Quick Verdict
Score Breakdown
6 dimensions evaluated with transparent methodology
Performance
98 −2
Zero-overhead abstraction, compile-time queries
- Compile-time query validation
- Zero runtime overhead
- Efficient connection pooling
Why not 100%:
- −1 Compile times for complex queries
- −1 No runtime query building
Developer Experience
58 −42
Type-safe but requires schema sync
- Type-safe queries catch errors at compile time
- Diesel CLI for migrations
- Good documentation
Why not 100%:
- −10 Schema must be synced manually
- −10 Complex joins can be verbose
- −10 Learning curve for DSL
Ecosystem
52 −48
Mature with essential features
- PostgreSQL, MySQL, SQLite support
- Connection pooling (r2d2)
- Async support via diesel-async
Why not 100%:
- −16 Fewer extensions than JS ORMs
- −16 Async is separate crate
- −16 Some database features unsupported
Maintainability
85 −15
Stable, mature Rust ORM
- 5+ years of development
- Stable 2.x release
- Active maintenance
Why not 100%:
- −7 1.x to 2.x migration was significant
- −7 Schema changes need code updates
Cost Efficiency
100
Open source, efficient queries
- MIT/Apache licensed
- Efficient SQL generation
- No query overhead at runtime
Compliance
88 −12
SQL injection impossible by design
- Compile-time SQL validation
- No SQL injection possible
- Type-safe parameters
Why not 100%:
- −6 Raw SQL requires care
- −6 Audit logging needs implementation
Compare Alternatives
How Diesel stacks up against similar technologies
Sources & Methodology
How we calculate these scores: transparent and reproducible
primary
GitHub
Repository activity, stars, contributors, issue resolution time
primary
Crates.io
Rust package downloads, dependencies, version history
secondary
OSV Database
Known vulnerabilities, security advisories, CVE tracking
contextual
Community Signals
Stack Overflow activity, Discord engagement, developer surveys
Data version:
2.5.0 Last updated: 2026-01-27 Confidence: 85%