Perplexity Comet vs Stagehand
Perplexity Comet (Perplexity AI) and Stagehand (Browserbase) side by side on public data, as of Oct 6, 2026.
Stagehand shipped 7 stable releases in the past 90 days.
Side-by-side numbers
| Metric | Perplexity Comet | Stagehand |
|---|---|---|
| Pulse Score | 24 | 58 |
| Overall rank | #110 | #20 |
| Downloads, last 7 days | — | 2.5M |
| Downloads, 7-day change | — | up 13.4% |
| Downloads, 30-day change | — | up 16.5% |
| VS Code installs | — | — |
| Marketplace rating | 4.8 / 5 (7,791) | — |
| GitHub stars | — | 25.5K |
| Homebrew installs, 30 days | 156 | — |
| Hacker News mentions, 30 days | 4 | 17 |
| Latest stable release | — | 3.7.3 · 39d ago |
| Stable releases, 90 days | 7 | |
| Terminal-Bench (best run) | — | — |
| Price | Free | Free + $20/mo |
| License | Proprietary | MIT |
| First released | July 2025 | October 2024 |
| Interfaces | Desktop, Mobile | API |
| Models | Any LLM selected by provider/model string (for example openai/gpt-5.4-mini) with your own API key |
Trends
Perplexity Comet
Chromium-based AI browser from Perplexity with a built-in assistant that summarizes pages, answers questions across tabs and can act for the user, for example drafting email or shopping. It runs on Mac, Windows, Android and iOS.
Pricing: Comet is free to download and use (free for everyone since October 2025); higher limits and Perplexity Computer need a Perplexity Pro or Max plan. Plan prices could not be read from an official page.
Stagehand
Open-source SDK from Browserbase for building browser agents that mix natural-language actions (act, extract, observe, agent) with code, available in TypeScript, Python and Go and runnable locally or on Browserbase cloud browsers.
Pricing: Stagehand itself is free (MIT). Optional Browserbase cloud browsers: Free $0 (1 browser hour, $5 in model tokens), Developer $20/month (100 hours), Startup $99/month (500 hours), Scale custom; model usage is billed separately.
Latest release 3.7.3:
- #2842 f86e609 Thanks @seanmcguire12! - update the MCP SDK to v1.30 and refresh supporting dependency versions
- #2836 94a0ee4 Thanks @seanmcguire12! - fix cross-frame xpaths building logic for coordinates inside of iframes.