Prompt engineering with version control and evals.
Vellum provides the workflow layer around building AI features — prompt versioning\, side-by-side model comparison\
Quick Information
Platform
Web
Pricing
Free + Paid (from $30/mo)
API
Available
Category
Analytics
Pros and Cons
Pros
- Prompt versioning and comparison
- Evaluation suites built in
- Free to start
- Open-source self-hosting with no platform fee
- Transparent $1 = 1 credit pricing
Cons
- Compute-shaped pricing is unusual
- Credits on top of plan fee
- Storage limited on lower tiers
- Learning curve around eval design

