# Sauce Labs > Sauce Labs is a cloud-based software testing platform for running automated and manual tests on web and mobile applications across real devices, emulators, simulators, and desktop browsers. Over 300,000 enterprise users have run 8.7 billion+ tests on the platform. It is framework-agnostic, supporting Selenium, Appium, Cypress, Playwright, Espresso, XCUITest, and TestCafe, and integrates with all major CI/CD systems. Sauce Labs calls this infrastructure, combined with its agentic AI layer, AURA. Sauce Labs is the AI-unified release assurance platform. - **Access**: Web dashboard at app.saucelabs.com, saucectl CLI for test orchestration, REST API, and native CI/CD plugins for Jenkins, GitHub Actions, CircleCI, Azure DevOps, and GitLab. Sauce Connect Proxy provides a secure tunnel for testing apps behind a firewall or on localhost. - **Infrastructure**: 3,000+ browser and OS combinations on virtual machines, plus thousands of real iOS and Android devices across US and EU data centers. - **AURA capabilities**: Intent-based test generation from plain language, self-healing tests that survive UI changes, AI-powered failure analysis with root cause in minutes, and production error monitoring that feeds incidents back into test coverage. - **Compliance**: ISO 42001, ISO 27001, SOC II, GDPR, and CCPA certified. - **Pricing**: Live Testing from $39/mo, Virtual Cloud from $149/mo, Real Device Cloud from $199/mo billed annually. Enterprise plans available. Free trial offered. - **Validation**: Forrester TEI validated 217% ROI with payback in under six months. Enterprise customers include Walmart, Microsoft, Splunk, Indeed, and Domino's. - **Documentation**: [docs.saucelabs.com](https://docs.saucelabs.com/) ## Products - [Sauce Real Device Cloud](https://saucelabs.com/products/real-device-cloud/): Test on thousands of real iOS and Android devices in the cloud. Public and private device pools, real device access API, network throttling, accessibility testing, real-time app diagnostics, MCP support, and native IDE plugins. - [Sauce Virtual Device Cloud](https://saucelabs.com/products/virtual-device-cloud/): Run automated tests across 3,000+ browser and OS combinations using cloud-hosted Android emulators, iOS simulators, and desktop browsers with massive parallel execution and no infrastructure to manage. - [Sauce AI for Test Authoring](https://saucelabs.com/products/sauce-ai-for-authoring/): Generate automated tests from plain-language intent descriptions. Outputs native code with no framework lock-in and no brittle selectors. - [Sauce AI for Insights](https://saucelabs.com/products/sauce-ai-for-insights/): An AI agent that answers natural-language questions about your test data, surfacing root causes, flaky tests, build trends, and device coverage gaps instantly. - [Sauce Visual Testing](https://saucelabs.com/products/visual-testing/): Pixel-level visual regression testing for web and mobile apps with single-snapshot checks, before-and-after comparison views, cross-platform support, and accessibility alignment. - [Sauce Error Reporting](https://saucelabs.com/products/error-reporting/): Real-time crash and error monitoring with end-to-end tracing, user-attribute insights, issue-based and threshold alerting, and deduplication across production environments. ## Use Cases - [Automated Test Execution](https://saucelabs.com/use-case/automated-test-execution/): Run every build in parallel across real and virtual devices with 75% reduction in test execution time, zero false failures, and AI-powered root cause analysis. - [Intent-Based Test Generation](https://saucelabs.com/use-case/intent-based-test-generation/): Describe what to test in plain language and AURA generates, runs, and maintains the test. 80% faster test authoring, 90% automated coverage, framework-agnostic output. ## For Developers - [AURA for Developers](https://saucelabs.com/personas/aura-for-developers/): Developer-focused overview of AURA covering test authoring without scripting, real device execution, AI root cause analysis, and closed-loop feedback from test to production. ## Comparisons - [Sauce Labs vs BrowserStack](https://saucelabs.com/comparison/browserstack-alternative): Feature-by-feature comparison covering device coverage, AI test authoring, failure analysis, self-healing infrastructure, and enterprise compliance. - [Sauce Labs vs TestMu AI (former LambdaTest)](https://saucelabs.com/comparison/testmu-alternative): Feature-by-feature comparison with LambdaTest (rebranded to TestMu AI) covering pricing, device coverage, automation frameworks, and AI capabilities. ## Pricing - [Pricing](https://saucelabs.com/pricing): Live Testing from $39/mo, Virtual Cloud from $149/mo, Real Device Cloud from $199/mo billed annually. Enterprise plans include unlimited automated testing minutes, SSO, and Sauce AI Agents. Free trial available. Free accounts for qualifying open source projects. ## Getting Started - [Sign Up](https://saucelabs.com/sign-up): Create a free trial account to get your SAUCE_USERNAME and SAUCE_ACCESS_KEY credentials. - [MCP Server](https://github.com/saucelabs/sauce-api-mcp): Official Model Context Protocol server for AI assistants. Install with `pip install sauce-api-mcp`. Provides two servers: `sauce-api-mcp` for core API integration (account, devices, jobs, builds, tunnels) and `sauce-api-mcp-rdc` for Real Device Cloud operations. Requires SAUCE_USERNAME and SAUCE_ACCESS_KEY environment variables. Works with Claude Desktop, Cursor, Windsurf, and any MCP-compatible client. - [Quickstart Guides](https://docs.saucelabs.com/quickstart/): Framework-specific quickstarts for Selenium, Appium, Cypress, Playwright, Espresso, XCUITest, and TestCafe. Each guide walks through cloning a demo repo, setting credentials as environment variables, and running your first test. - [Sauce Connect Proxy](https://docs.saucelabs.com/secure-connections/sauce-connect-5/quickstart/): Set up a secure tunnel to test apps hosted behind a firewall or on localhost. - [Documentation](https://docs.saucelabs.com/): Full technical documentation covering test configuration, API reference, CLI reference, integrations, and platform administration.