Vellum
Vellum
Enterprise agent-building platform with a visual builder plus TypeScript and Python SDKs, evals, and observability.
Our editorial assessment as of Jun 4, 2026, based on the public sources listed below.
Rank in Agent
#13
Tier
B
Score
65.0
Underlying model
—
Strengths
- Prompt-to-agent building with a visual builder and code SDKs
- Built-in evaluations, regression testing, and versioning
- RBAC, audit logs, and flexible cloud, VPC, hybrid, or on-prem deployment
Considerations
- Some advanced SDK features still require engineering support
- Fast-evolving platform means teams may need to relearn features
Price
Free tier; paid plans from $25/mo, enterprise available
Score breakdown
Performance
68.0
Reputation
65.0
Price
80.0
Recency
80.0
Verification status
Each field carries its own re-verification date. Amber means older than 90 days — treat those figures as stale until re-checked.
Sources
- Top 13 Enterprise Agent Builder Platforms for 2026Accessed: 2026-06-03