OpenAI Swarm vs Project Mariner
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
OpenAI Swarm
OpenAI's deprecated agent framework, replaced by the Agents SDK
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Project Mariner
Google DeepMind's browser-agent prototype, shut down 4 May 2026
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| RECATOOLS Score | 4.9 / 10 | 4.2 / 10 |
| Capability | ||
| Value for money | ||
| Ease of use | ||
| ASEAN readiness | ||
| API quality | ||
| Pricing | Open Source | Subscription |
| Free tier | — | None. The service ended on 4 May 2026; early access was an invite-only tester programme |
| Paid from | — | Discontinued, last sold within Google AI Ultra at $249.99/mo (US, 2025) |
| Has API | ✗ | ✗ |
| Open source | ✓ | ✗ |
| Free to use | ✓ | ✗ |
| Users | — | — |
| Founded | 2024 | 2024 |
| Maker | — | Google DeepMind (Alphabet) |
| Verdict | Swarm was always meant as a teaching tool: a stripped-down demonstration of handing a conversation off between specialized agents without building a full framework around it. The ideas stuck — routines, handoffs, minimal... |
Project Mariner was Google DeepMind's research prototype for an agent that drives a web browser, and Google shut it down on 4 May 2026. There is nothing left to sign up for: the Labs page carries only a notice pointing t... |
| Full review → | Full review → |
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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.