Shortlist by what you need
Start here if you know why you are leaving Factory.
Want the closest match?
CodegenMost similar to Factory in what it does, its category and its price.
Visit (opens Codegen in a new tab)Need a free plan?
CodeRabbitHas a free plan, rated 4.5 out of 5. Factory has none.
Visit (opens CodeRabbit in a new tab)Want to pay less than Factory?
Augment CodeFrom $20/mo, against from $40/mo for Factory.
Visit (opens Augment Code in a new tab)Want the best rated?
GreptileRated 4.3 out of 5 in our review, against 4.3 for Factory.
Visit (opens Greptile in a new tab)
At a glance
Green means better than Factory, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 FactoryBaseline | 4.3 | $40/mo | No | Specialized 'Droids' for different stages of the development lifecycle | |
| Codegen | 5.0+0.7 | $40/moSame price | No | Automates large-scale migrations and PRs, not interactive coding | vs Factory |
 Temboo | 3.6−0.7 | Not listed | No | An AI agent for embedded development that runs inside your IDE and understands your specific hardware and SDK. | vs Factory |
| CodeRabbit | 4.5+0.2 | $24/mo$16 less | YesFactory has none | Automated pull request reviews with inline comments, before merge | vs Factory |
| Augment Code | 4.3Same | $20/mo$20 less | YesFactory has none | Built around indexing an entire large enterprise codebase | vs Factory |
 Devin | 4.0−0.3 | $20/mo$20 less | No | Marketed as the first AI software engineer, with disputed early claims | vs Factory |
 Cognition AI | 4.1−0.2 | $20/mo$20 less | YesFactory has none | Cognition AI built Devin, an autonomous coding agent that plans, writes, tests, and ships code inside a sandboxed development environment. | vs Factory |
 AgentKit | 3.6−0.7 | Not listed | No | A hundred-odd prebuilt skills for Claude Code, bought once rather than rented. | vs Factory |
| Greptile | 4.3Same | $30/mo$10 less | No | A custom-built code graph engine for reviewing large monorepos | vs Factory |
The alternatives in detail
In order of how closely each one matches Factory.
Codegen
5.0$40/mo
vs FactorySame price+0.7
Automates large-scale migrations and PRs, not interactive coding.
- Automated large-scale codebase migrations and refactors
- API-first, programmatic task automation
- Autonomous pull request generation
Well suited to tedious, large-scale migrations most developers want automated
No free tier, a real commitment before testing thoroughly
Temboo
3.6Not listed
vs Factory−0.7
An AI agent for embedded development that runs inside your IDE and understands your specific hardware and SDK.
- AI agent specialised for embedded development
- Runs inside your existing IDE
- Understands your specific hardware and SDK
Hardware and SDK awareness is where general coding assistants fail badly
No public pricing
CodeRabbit
4.5$24/mo
vs Factory$16 less+0.2Free plan
Automated pull request reviews with inline comments, before merge.
- Automated inline pull request review comments
- Bug and security issue flagging before merge
- Learns from team feedback on accepted or dismissed comments
Review-specific focus catches issues before human reviewer time is spent
Scoped to review, doesn't write code the way broader assistants do
Augment Code
4.3$20/mo
vs Factory$20 lessSameFree plan
Built around indexing an entire large enterprise codebase.
- Context engine indexing an entire large codebase
- Integrates into existing IDEs rather than requiring a switch
- Built for large-scale enterprise engineering teams
Full-codebase context suits genuinely large, complex engineering projects
No free tier to test before committing
Devin
4.0$20/mo
vs Factory$20 less−0.3
Marketed as the first AI software engineer, with disputed early claims.
- Fully autonomous multi-step task planning and execution
- Plans, codes, tests, and debugs within one session
- Marketed as one of the earliest autonomous AI software engineers
Ambitious scope for autonomous, end-to-end task completion
Original launch benchmark claims were publicly disputed by independent researchers
Cognition AI
4.1$20/mo
vs Factory$20 less−0.2Free plan
Cognition AI built Devin, an autonomous coding agent that plans, writes, tests, and ships code inside a sandboxed development environment.
- Autonomous planning, coding, testing, and PR creation from a single ticket
- Sandboxed VM execution isolated from a team's live environment
- Integration with existing code repositories and developer tools
Handles full ticket-to-PR workflows, beyond inline code suggestions
ACU-based pricing makes real monthly cost hard to predict in advance
AgentKit
3.6Not listed
vs Factory−0.7
A hundred-odd prebuilt skills for Claude Code, bought once rather than rented.
- 108+ prebuilt skills across development and marketing
- 95+ commands spanning the software lifecycle
- 45 agents, 17 engineering and 28 marketing
One-time purchase in a category that rents everything monthly
Written against tool conventions that change quickly
Greptile
4.3$30/mo
vs Factory$10 lessSame
A custom-built code graph engine for reviewing large monorepos.
- Custom-built code graph engine for large codebases
- AI pull request review with cross-repository context
- API access for building custom review workflows
Custom indexing engine targets large monorepo scale specifically
No free tier to test before committing
FAQ
Questions people ask
Is Factory free?
Factory does not list a free plan. Paid plans start from $40/mo.
What is the best free alternative to Factory?
CodeRabbit is the highest-rated alternative here with a free plan (4.5 out of 5). Other free options: Augment Code, Cognition AI.
What is the cheapest alternative to Factory?
Among paid plans, Augment Code has the lowest starting price (from $20/mo). If you need it free, start with CodeRabbit.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.