# Vellum pricing (2026): plans, cost, and compliance

**Entry price:** $0 (free)/mo (Free). Among the 8 ai agent platforms we track it is the cheapest; median entry $0/mo.
**Domain:** vellum.ai
**Free tier:** Yes
**Compliance:** HIPAA Not published · SOC 2 Not published · GDPR Not published
**Best for:** LLM application development; prompt engineering; AI workflow evaluation; developer teams
**Price tracked since:** June 2026

## Plans

| Plan | Monthly | Annual | Billing | Notes | Source |
| --- | --- | --- | --- | --- | --- |
| Free | $0 | — | flat | No credit card required to start. Includes 1 vCPU / 2 GiB RAM (Small), 4 GiB storage. Credits are pay-as-you-go ($1 = 1 credit). Self-hosting (open-source) available with no platform fees. | vellum.ai |
| Pro | $50 | — | flat | $50/mo headline = $10 platform fee + $35 Medium compute (2.5 vCPU, 5 GiB) + $5 storage (10 GiB). Compute add-ons: Large +$60/mo, XL +$125/mo. Storage scales to +$120/mo (500 GiB). Credits billed separately pay-as-you-go. Upgrades active immediately; downgrades at end of billing period. | vellum.ai |

**Key features:** LLM workflow builder with evaluation suite; Pay-as-you-go credits model; Open-source self-hosting option; Modular compute/storage scaling.

**Plan limits:** Free: 1 vCPU, 2 GiB RAM, 4 GiB storage; Pro: $50/mo base; modular compute/storage add-ons on top; LLM token/credit costs billed separately pay-as-you-go.

Sources: 1 · Last verified 2026-06-15
Provenance: Pricing confirmed on vellum.ai/pricing: forever-free base tier and Pro at $50/mo headline ($10 platform fee + $35 Medium compute + $5 10 GiB storage), with optional compute/storage add-ons and pay-as-you-go credits. Compliance not stated on the pricing page; all compliance fields null.
Canonical: https://frontdeskreview.com/software/ai-agent-platforms/vellum/
Cite: Per The Front Desk Review, Vellum's entry plan was $0 (free)/mo as of 2026-06-15 — https://frontdeskreview.com/software/ai-agent-platforms/vellum/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl