What is Diesel?
A Rust library that provides type-safe database access with compile-time verification, featuring both a query builder API and raw SQL support across multiple database systems including PostgreSQL, MySQL, and SQLite.
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
- ✗
Platform & deployment
Independently observed- Self-hosted
Integrations (5)
Independently observed- PostgreSQL•
- MySQL•
- SQLite•
- Oracle•
- Firebird•
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.
- Prismamedium · 74%
- SequelizeAn ORM library for building database-driven Node.js and TypeScript applicationsmedium · 69%
- SQLAlchemyA Python library combining low-level SQL control with object-relational mapping for database accesshigh · 78%
- KyselyBuilds SQL queries with compile-time type safety for TypeScripthigh · 78%
- MikroORMA database abstraction layer for Node.js applications written in TypeScripthigh · 79%
- Hibernate ORMA Java library providing type-safe, object-oriented access to relational databaseslow · 49%
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 | 69 | 0.05 | 3.7 | ✓ |
| Stars | 78 | 0.03 | 2.6 | ✓ |
| Integrations | 22 | 0.05 | 1.2 | ✓ |
| 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 · 2026-10-13 · 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 · 2026-10-13 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 5 | mediumsource · 2026-10-13 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | Rust | highsource · 2026-10-13 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | Apache-2.0 | highsource · 2026-10-13 · 95% |
Pricing
Release
Security
Is Diesel the right choice for you?
Tell us the job, the constraints and what you weigh most, and we will rank Diesel against the rest of the orm & database tools we index, using the same dated evidence weighted your way.
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