Browser-only#3 of 19 in category
Magnitude
Magnitude · Launched Jun 2025
Independent browser agent focused on test automation. #2 on WebVoyager at 93.9%, behind only Surfer 2.
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1
Benchmarks scored
93.9
Peak score
0
Article mentions
No
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%.
93.9
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) |
| 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 |
| StagehandOSS | Browserbase | 2024-06 | 85.8 | Free SDK + Browserbase cloud ($99/mo+) |
| 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
- Magnitude
- Launch
- 2025-06-01
- Open source
- No
- Pricing
- Contact sales
- Benchmarks scored
- 1
- Article mentions
- 0
- Rank in category
- #3 of 19