# Puppeteer vs RSpec

**Leader by vioscaleAI score:** Puppeteer

| Attribute | Puppeteer | RSpec |
|---|---|---|
| **vioscaleAI score** | 72.3 (66% (medium)) | 55.6 (33% (low)) |
| activity.commits_last_30d | 74 | 16 |
| adoption.dependent_repos | 144,056 | 398,836 |
| adoption.github_stars | 95,682 | 118 |
| adoption.package_downloads_weekly | 11,510,272 | - |
| content.faq | `[{"answer":"Puppeteer provides programmatic control over browser instances, enabling automated navigation, interaction, and inspection of web pages through a high-level API. It supports both Chrome and Firefox and runs in headless mode by default. It is indexed under Testing Tools.","source":"https://pptr.dev/","question":"What is Puppeteer?","confidence":0.6},{"answer":"Puppeteer is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://pptr.dev/","question":"Is Puppeteer free to use?","confidence":0.6},{"answer":"Puppeteer supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://pptr.dev/","question":"What platforms does Puppeteer support?","confidence":0.6},{"answer":"Yes. Puppeteer can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://pptr.dev/","question":"Can Puppeteer be self-hosted?","confidence":0.6},{"answer":"We have confirmed 4 integrations for Puppeteer, including Chrome, Firefox, DevTools Protocol and WebDriver BiDi. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://pptr.dev/","question":"What does Puppeteer integrate with?","confidence":0.6},{"answer":"Yes. Puppeteer is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/puppeteer/puppeteer","question":"Is Puppeteer open source?","confidence":0.99}]` | `[{"answer":"RSpec is a testing framework for Ruby that helps developers write and organize tests by describing expected behavior. It provides tools for writing readable specifications, asserting results, mocking objects, and testing Rails applications. It is indexed under Testing Tools.","source":"http://rspec.info","question":"What is RSpec?","confidence":0.6},{"answer":"RSpec is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"http://rspec.info","question":"Is RSpec free to use?","confidence":0.6},{"answer":"RSpec supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"http://rspec.info","question":"What platforms does RSpec support?","confidence":0.6},{"answer":"Yes. RSpec is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/rspec/rspec","question":"Is RSpec open source?","confidence":0.95}]` |
| deployment.options | `{"self_hosted":true}` | - |
| description.long | Provides programmatic control of Chrome and Firefox browsers for automation and testing through a JavaScript API. | An open-source testing framework for Ruby providing a syntax for writing and running specifications with built-in support for assertions and test doubles. |
| features.capabilities | `{"coverage":true,"protocol":"cdp","languages":"JavaScript","open_source":true,"headless_mode":true,"auto_wait_retry":true,"browser_automation":true}` | `{"mocking":true,"languages":"Ruby","assertions":true,"ci_integration":true}` |
| integrations.count | 5 | - |
| integrations.list | `[{"name":"Chrome"},{"name":"Firefox"},{"name":"DevTools Protocol"},{"name":"WebDriver BiDi"},{"name":"chrome-devtools-mcp"}]` | - |
| language.primary | TypeScript | Ruby |
| license.spdx | Apache-2.0 | MIT |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://pptr.dev/","retrievedAt":"2026-09-10T16:07:42.951Z"}` | `{"type":"open_source","sourceUrl":"http://rspec.info","retrievedAt":"2026-10-13T13:50:24.742Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.history | `[{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-v25.13.0","date":"2026-10-08T13:00:00Z","type":"stable","version":"puppeteer-v25.13.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-core-v25.13.0","date":"2026-10-08T13:00:01Z","type":"stable","version":"puppeteer-core-v25.13.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/browsers-v3.2.4","date":"2026-10-08T13:00:03Z","type":"stable","version":"browsers-v3.2.4"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-v25.12.0","date":"2026-09-23T12:52:04Z","type":"stable","version":"puppeteer-v25.12.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-core-v25.12.0","date":"2026-09-23T12:52:05Z","type":"stable","version":"puppeteer-core-v25.12.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/browsers-v3.2.3","date":"2026-09-23T12:52:06Z","type":"stable","version":"browsers-v3.2.3"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-v25.11.0","date":"2026-09-14T08:59:59Z","type":"stable","version":"puppeteer-v25.11.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-core-v25.11.0","date":"2026-09-14T09:00:00Z","type":"stable","version":"puppeteer-core-v25.11.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-v25.10.0","date":"2026-09-03T13:06:55Z","type":"stable","version":"puppeteer-v25.10.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-core-v25.10.0","date":"2026-09-03T13:06:56Z","type":"stable","version":"puppeteer-core-v25.10.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/browsers-v3.2.2","date":"2026-09-03T13:06:58Z","type":"stable","version":"browsers-v3.2.2"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-v25.9.0","date":"2026-08-25T07:40:50Z","type":"stable","version":"puppeteer-v25.9.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-core-v25.9.0","date":"2026-08-25T07:40:51Z","type":"stable","version":"puppeteer-core-v25.9.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-v25.8.0","date":"2026-08-17T09:12:45Z","type":"stable","version":"puppeteer-v25.8.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-core-v25.8.0","date":"2026-08-17T09:12:46Z","type":"stable","version":"puppeteer-core-v25.8.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/browsers-v3.2.1","date":"2026-08-17T09:12:47Z","type":"stable","version":"browsers-v3.2.1"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-v25.7.0","date":"2026-08-13T18:40:18Z","type":"stable","version":"puppeteer-v25.7.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-core-v25.7.0","date":"2026-08-13T18:40:19Z","type":"stable","version":"puppeteer-core-v25.7.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-v25.6.0","date":"2026-08-11T13:11:24Z","type":"stable","version":"puppeteer-v25.6.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-core-v25.6.0","date":"2026-08-11T13:11:26Z","type":"stable","version":"puppeteer-core-v25.6.0"}]` | - |
| reliability.status_page | - | yes |
| security.scorecard | 7.9 | 7.5 |
| security.vulnerabilities | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=puppeteer&per_page=100","last_12m":0,"max_severity":"MODERATE"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=rubygems&package_name=rspec-expectations&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Testing Tools)

| Capability | Puppeteer | RSpec |
|---|:--:|:--:|
| **Core** |  |  |
| Test types | - | - |
| Browser automation | ✓ | - |
| Built-in assertion library | - | ✓ |
| Languages | JavaScript | Ruby |
| **Isolation** |  |  |
| Mocking / stubbing | - | ✓ |
| **Techniques** |  |  |
| Snapshot testing | - | - |
| **Performance** |  |  |
| Parallel execution | - | - |
| **Insight** |  |  |
| Code coverage | ✓ | - |
| **DX** |  |  |
| Watch mode | - | - |
| **Ops** |  |  |
| CI integration | - | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T20:54:14.624Z. "-" = undocumented, not absent.*