What is Diesel?
An open-source object-relational mapping and query builder library for Rust that enables compile-time verification of database interactions and supports multiple database backends through composable query abstractions.
Diesel pricing
We don't have Diesel's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.
What Diesel does
The capabilities that matter for orm & database tools, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Type-safe queries
- ✓
- Schema migrations
- ✓
- Relations / joins API
- ✓
- Languages
- Rust
- Schema-first modelling
- ✓
- Raw SQL escape hatch
- ✓
- Multiple database backends
- ✓
- Connection pooling
- ✓
- Data browser / studio
- ✗
Security & compliance
Known vulnerabilities: 6 (4 in the last 12 months), max severity CRITICAL sourcea count reflects scale & disclosure, not quality
Diesel FAQ
Common questions about Diesel, answered from independent, dated evidence.
What is Diesel?
An open-source object-relational mapping and query builder library for Rust that enables compile-time verification of database interactions and supports multiple database backends through composable query abstractions. It is indexed under ORM & Database Tools.
Source: https://diesel.rs
Is Diesel free to use?
Diesel is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.
Source: https://diesel.rs
Is Diesel open source?
Yes. Diesel is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.
Diesel alternatives
Other orm & database tools we track, ranked by the same independent score.
- PrismaA unified backend platform providing type-safe database access, managed Postgres, and application hosting for TypeScript developmenthigh · 75%
- SQLAlchemyPython library for database interaction through object-oriented and SQL-based approacheshigh · 79%
- SequelizeA database abstraction layer for Node.js and TypeScript that maps application objects to relational database tablesmedium · 70%
- KyselyA library for writing TypeScript-based SQL queries with compile-time type checkinghigh · 79%
- Drizzle ORMA TypeScript database library with type-safe queries and schema managementmedium · 70%
- MikroORMTypeScript database abstraction library for Node.js applicationshigh · 78%
Compare Diesel
Side by side against other orm & database tools, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Diesel, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Development activity | 63 | 0.12 | 7.6 | ✓ |
| Capabilities | 87 | 0.08 | 7.2 | ✓ |
| Release cadence | 82 | 0.07 | 5.5 | ✓ |
| Dependent projects | 60 | 0.08 | 4.8 | ✓ |
| Security score | 58 | 0.05 | 3.1 | ✓ |
| Stars | 78 | 0.03 | 2.6 | ✓ |
| Integrations | 0 | 0.05 | 0.0 | - |
| Security posture | 0 | 0.09 | 0.0 | - |
| Package downloads | 0 | 0.17 | 0.0 | - |
| Developer Q&A activity | 0 | 0.08 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 100 | mediumsource · 2026-09-10 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 3 items | mediumsource · 2026-09-10 · 72% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Raw sql: Yes · Multi db: Yes · Languages: Rust · Relations: Yes · Migrations: Yes · Studio gui: No | mediumsource · 2026-09-10 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | Rust | highsource · 2026-09-10 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | Apache-2.0 | highsource · 2026-09-10 · 95% |
Pricing
Release
Security
Is Diesel the right choice for you?
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