Browser-onlyOpen Source#6 of 19 in category
Stagehand
Browserbase · Launched Jun 2024
MIT-licensed SDK. V3 rewrite (Feb 2026) uses Chrome DevTools Protocol directly, 44% faster than v2. AI-native caching + self-healing DOM.
Visit Stagehand →Free SDK + Browserbase cloud ($99/mo+)
1
Benchmarks scored
85.8
Peak score
0
Article mentions
Yes
Open source
Benchmark performance
WebVoyager
End-to-end real-world browser tasks across 15 popular websites. Current SOTA: Surfer 2 (H Company) at 97.1%.
85.8
Other browser-only agents
The 19 agents in this category, ranked by peak benchmark.
| Agent | Maker | Launch | Peak | Pricing |
|---|---|---|---|---|
| Surfer 2 | H Company | 2026-02 | 97.1 | Enterprise contract |
| Browser UseOSS | Browser Use (OSS) | 2024-10 | 97.0 | Free (OSS) |
| Magnitude | Magnitude | 2025-06 | 93.9 | Contact sales |
| ChatGPT Agent | OpenAI | 2026-01 | 89.3 | ChatGPT Pro $200/mo; Plus $20/mo (waitlisted) |
| SkyvernOSS | Skyvern (Y Combinator) | 2024-04 | 85.8 | Open-source; enterprise contract |
| Project Mariner | Google DeepMind | 2024-12 | 84.0 | Google AI Ultra subscription |
| Multi-On | Multi-On | 2023-11 | — | Subscription |
| Chrome DevTools MCPOSS | 2025-09 | — | Free (Apache-2.0) | |
| mcp-chrome (community)OSS | hangwin | 2025-06 | — | Free (MIT) |
| Claude for Chrome | Anthropic | 2025-08 | — | Claude Pro ($20) / Max ($100+) |
Quick facts
- Type
- Browser-only
- Maker
- Browserbase
- Launch
- 2024-06-01
- Open source
- Yes
- Pricing
- Free SDK + Browserbase cloud ($99/mo+)
- Benchmarks scored
- 1
- Article mentions
- 0
- Rank in category
- #6 of 19