# Google Vertex AI Prompt Management vs Vellum

**Leader by Vioscale score:** Vellum

| Attribute | Google Vertex AI Prompt Management | Vellum |
|---|---|---|
| **Vioscale score** | 37.1 (36% (low)) | 66.9 (37% (low)) |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | Google Cloud's platform for building, scaling, governing and optimizing enterprise agents that transform applications and workflows into agentic systems. | A cloud-based AI assistant that maintains continuous context about your preferences and history, accessible via web, desktop, mobile, and messaging platforms, capable of automating tasks like email, calendar management, and web browsing with your explicit approval for each action. |
| features.capabilities | `{"pricing_model":"usage/seat-based-saas","deployment_model":"managed-SaaS","multi_step_flows":true}` | `{"pricing_model":"usage/seat-based-saas","deployment_model":"managed-SaaS","multi_step_flows":true,"approval_workflow":true,"non_engineer_editing":true}` |
| integrations.count | 3 | 11 |
| integrations.list | `[{"name":"Claude"},{"name":"Gemini 3.5"},{"name":"open source frameworks"}]` | `[{"name":"Gmail"},{"name":"Google Calendar"},{"name":"Slack"},{"name":"Telegram"},{"name":"Web browsing"},{"name":"Computer control"},{"name":"Phone calls"},{"name":"Image generation"},{"name":"Coding"},{"name":"App building"},{"name":"Task management"}]` |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true,"ios":true,"mac":true,"web":true}` |
| pricing | `{"type":"usage","summary":"Usage-based pricing for Agent Platform tools, storage, compute and Cloud resources. New customers receive $300 free credits.","currency":"USD","freeTier":true,"sourceUrl":"https://cloud.google.com/vertex-ai","retrievedAt":"2026-08-21T10:58:25.239Z"}` | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"Free with starter credits","features":["Free starter credits","Multi-platform access","Memory and context"],"description":"Free credits to start","contactSales":false},{"free":false,"name":"Paid","summary":"$30/mo","features":["Larger machine","More storage","Bundled credits"],"commitment":"monthly","components":[{"kind":"fixed","amount":30,"period":"month","currency":"USD"}],"description":"Larger machine, more storage, bundled credits","contactSales":false}],"summary":"Free tier with credits, paid plans from $30/mo","currency":"USD","freeTier":true,"sourceUrl":"https://vellum.ai","retrievedAt":"2026-08-21T13:54:36.865Z","startingPrice":{"amount":30,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | mid |
| pricing.starting_price | - | `{"amount":30,"currency":"USD"}` |
| pricing.transparent | no | yes |

## Capabilities (Prompt Management)

| Capability | Google Vertex AI Prompt Management | Vellum |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Versioning model | - | - |
| Diff and rollback | - | - |
| Deploy without redeploy | - | - |
| Non engineer editing | - | ✓ |
| Multi model playground | - | - |
| Ab testing | - | - |
| LLM judge or human eval | - | - |
| Multi step flows | ✓ | ✓ |
| Approval workflow | - | ✓ |
| Tracing included | - | - |
| Self hostable | - | - |
| Deployment model | Managed SaaS | Managed SaaS |
| Pricing model | Usage/seat based saas | Usage/seat based saas |

*Source: Vioscale. Generated 2026-09-01T16:49:02.097Z. "-" = undocumented, not absent.*