Vellum

Agents 4.4/10

Hosted platform with a visual builder and SDK to create, evaluate, and deploy agentic AI workflows.

Vellum scores 4.4/10 for free value in Agents. The main constraint: Free Base plan (small processing power, 4 GiB storage, no platform fee); Pro from ~$50/mo.

Category Agents Kind Managed agent runtime Caveats Visual builder + SDK to create, evaluate, and deploy agentic AI workflows; hosted runtime with eval/observability. Card required No Eligibility anyone

Free value score

4.4 / 10

Show the math

Overall 4.4/10

value = 4.4/100

weighted_components_v1

Execution 1/10

value = 0.1 $/mo

fixed_log_v1

Connectivity 7.5/10

value = 7.5/100

policy_score_v1

Production controls 8.3/10

value = 8.3/100

policy_score_v1

Key metrics

1/mo Execution quota Uses stated quota when present; otherwise a conservative unpublished-quota floor.

1 Tool/model connectivity sdk

2 Production controls eval, observability

free tier Free tier

card? Credit card

What you get

Free Base plan (small processing power, 4 GiB storage, no platform fee); Pro from ~$50/mo

Eval-driven agent workflow ops

Limitations

Small processing power on free Base

The free Base plan includes small processing power and 4 GiB storage with no platform fee; more requires a paid plan.

Sources

"Start free with Small processing power and 4 GiB storage, or upgrade for more."
https://www.vellum.ai/pricing
"Pro $50 per month / Platform fee $10/mo / Processing power (Medium) +$35/mo / Storage (10 GiB) +$5/mo / Credits billed separately as used."
https://www.vellum.ai/pricing
"Vellum assistant is open source. Deploy it on your own hardware, a VPS, or a private cloud... No platform fee, no machine tier charges."
https://www.vellum.ai/pricing
"Vellum, the leading enterprise development platform for building, testing and deploying mission-critical AI products, today announced it has raised $20 million in Series A funding. The round was led by Leaders Fund... and returning investors Y Combinator, Rebel Fund, Pioneer Fund and Eastlink Capital."
https://siliconangle.com/2025/07/11/enterprise-ai-development-platform-vellum-raises-20m-help-businesses-deploy-apps-faster/

agents agent-deployment hosted runtime

Open service Source ← All Agents