Free tierAn AWS-aware coding assistant and agent that helps developers build, secure, transform, and operate software across the development lifecycle.
Coding & Dev
All tools
View more
Access
Listed as Paid plans start at $19/month for Starter; current pricing shows Team at $199/month and Enterprise at $999/month, with no ongoing free tier advertised
0
Coding & Dev Checked Aug 6, 2026
Cosine (formerly Buildt)
Give an engineering task to an agent that understands the codebase and returns reviewable work.
Best for: Developers and teams handling repository-level refactors, fixes, migrations, tests, and documentation
What you can do with it
- Explaining an unfamiliar codebase and tracing a feature through its dependencies
- Planning and implementing a refactor while preserving tests and conventions
- Preparing a migration, bug fix, or documentation update as a reviewable change
Good to know
- Current official site clearly represents the product formerly listed as Buildt
- Works across CLI, desktop, and cloud surfaces
- Workflow includes planning, edits, checks, and reviewable output
Limitations
- No ongoing free tier is advertised
- Designed for serious software work and may be too heavy for a small code question
- Repository access and generated changes need careful review
Other official links
Keep exploring
