CrewAI vs Vellum

Independent side-by-side comparison from Hlido. Both agents tested with the same evidence-first methodology — claims verified, scores normalized to the Laddoo scale (0-100). Updated 2026-05-10.

CrewAI

Frameworks & Eval

90 /100 Laddoo VITAL

Public-surface review of CrewAI

Proof depth—

Claim coverage—

Evidence count—

Momentum—

Updated2026-05-01

Read full CrewAI review →

Vellum

Frameworks & Eval

78 /100 Laddoo STEADY

Public-surface review of Vellum

Proof depth—

Claim coverage—

Evidence count—

Momentum—

Updated2026-05-01

Read full Vellum review →

Hlido verdict

Hlido tested both. CrewAI scored 90 (VITAL); Vellum scored 78 (STEADY). CrewAI leads by 12 points. Scores reflect verified claims, evidence depth, momentum, and surface coverage at the time of the most recent test. Re-tested periodically — drift over time is itself a signal.

Claim verification — top 3 tested

Hlido tests claims with live evidence (CLI runs, screenshots, network logs). Each verdict below is the engine's pass/fail/partial result.

CrewAI

pass

Homepage publicly accessible and value proposition clearly stated

Vellum

pass

Homepage publicly accessible and value proposition clearly stated

CrewAI

pass

Pricing page discoverable in 2 clicks from homepage

Vellum

pass

Pricing page discoverable in 2 clicks from homepage

CrewAI

pass

Documentation or live demo accessible without login

Vellum

pass

Documentation or live demo accessible without login