# Mirascope vs Vellum

**Leader by Vioscale score:** Vellum

| Attribute | Mirascope | Vellum |
|---|---|---|
| **Vioscale score** | 48.7 (35% (low)) | 66.9 (37% (low)) |
| activity.commits_last_30d | 3 | - |
| adoption.dependent_repos | 0 | - |
| adoption.github_stars | 1,522 | - |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | An open-source Python and TypeScript framework that provides a single interface for developing applications using large language models from multiple providers. It includes built-in tracing, versioning, structured outputs, and tool use capabilities. | 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":"open-source-self-host","self_hostable":true,"deployment_model":"self-hosted","multi_step_flows":true,"tracing_included":true,"versioning_model":"UI-hosted registry","multi_model_playground":true}` | `{"pricing_model":"usage/seat-based-saas","deployment_model":"managed-SaaS","multi_step_flows":true,"approval_workflow":true,"non_engineer_editing":true}` |
| integrations.count | 1 | 11 |
| integrations.list | `[{"name":"Langfuse"}]` | `[{"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"}]` |
| language.primary | Python | - |
| license.spdx | MIT | - |
| market.availability | - | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true,"ios":true,"mac":true,"web":true}` |
| pricing | `{"type":"open_source","summary":"Open-source framework available free; optional managed Router service uses credit-based usage pricing","freeTier":true,"sourceUrl":"https://mirascope.com","retrievedAt":"2026-08-21T11:04:31.085Z"}` | `{"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 | commercial | freemium |
| pricing.price_level | free | mid |
| pricing.starting_price | - | `{"amount":30,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| release.cadence_days | 7 | - |
| release.history | `[{"url":"https://github.com/Mirascope/mirascope/releases/tag/v2.5.0","date":"2026-06-24T03:47:55Z","type":"stable","version":"v2.5.0"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v2.4.0","date":"2026-03-08T03:59:23Z","type":"stable","version":"v2.4.0"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v2.3.0","date":"2026-02-27T23:43:32Z","type":"stable","version":"v2.3.0"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v2.2.2","date":"2026-02-05T21:00:37Z","type":"stable","version":"v2.2.2"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v2.2.1","date":"2026-02-05T08:20:56Z","type":"stable","version":"v2.2.1"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v2.2.0","date":"2026-02-04T04:57:48Z","type":"stable","version":"v2.2.0"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v2.1.1","date":"2026-02-01T23:17:12Z","type":"stable","version":"v2.1.1"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v2.1.0","date":"2026-01-30T22:21:55Z","type":"stable","version":"v2.1.0"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v2.0.2","date":"2026-01-23T06:31:33Z","type":"stable","version":"v2.0.2"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v2.0.1","date":"2026-01-22T00:35:32Z","type":"stable","version":"v2.0.1"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v2.0.0","date":"2026-01-21T23:32:00Z","type":"stable","version":"v2.0.0"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v2.0.0-alpha.6","date":"2026-01-10T02:06:41Z","type":"prerelease","version":"v2.0.0-alpha.6"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v2.0.0-alpha.5","date":"2025-12-31T04:52:37Z","type":"prerelease","version":"v2.0.0-alpha.5"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v2.0.0-alpha.4","date":"2025-12-19T19:38:09Z","type":"prerelease","version":"v2.0.0-alpha.4"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v2.0.0-alpha.3","date":"2025-12-13T00:49:55Z","type":"prerelease","version":"v2.0.0-alpha.3"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v2.0.0-alpha.2","date":"2025-11-15T20:46:00Z","type":"prerelease","version":"v2.0.0-alpha.2"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v1.25.7","date":"2025-11-08T00:03:46Z","type":"stable","version":"v1.25.7"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v2.0.0-alpha.1","date":"2025-11-06T22:49:32Z","type":"prerelease","version":"v2.0.0-alpha.1"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v2.0.0-alpha.0","date":"2025-11-06T01:42:50Z","type":"prerelease","version":"v2.0.0-alpha.0"},{"url":"https://github.com/Mirascope/mirascope/releases/tag/v1.25.6","date":"2025-08-14T22:53:11Z","type":"stable","version":"v1.25.6"}]` | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2FMirascope%2Fmirascope&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Prompt Management)

| Capability | Mirascope | Vellum |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Versioning model | UI hosted registry | - |
| 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 | Self hosted | Managed SaaS |
| Pricing model | Open source self host | Usage/seat based saas |

*Source: Vioscale. Generated 2026-09-01T15:18:25.581Z. "-" = undocumented, not absent.*