ExaWizards exaBase vs Maisa AI vs Project Mariner vs Respell
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
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Maisa AI
Hallucination-resistant agent platform
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Project Mariner
Google's web-browsing agent inside Chrome
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Respell
Discontinued — team joined Salesforce Agentforce
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| RECATOOLS Score | 7.4 / 10 | 6.2 / 10 | 4.2 / 10 | 6.5 / 10 |
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| Value for money | ||||
| Ease of use | ||||
| ASEAN readiness | ||||
| API quality | ||||
| Pricing | Freemium | Enterprise | Free | Freemium |
| Free tier | 2-week free trial (basic fee and usage waived up to a cap); exaBase Empower up to 6-month free trial | — | — | — |
| Paid from | From ¥900/user/month + ¥27/1,000 chars (exaBase Generative AI); Studio pricing on request | — | — | — |
| Has API | ✓ | ✓ | ✗ | ✗ |
| Open source | ✗ | ✗ | ✗ | ✗ |
| Free to use | ✗ | ✗ | ✓ | ✗ |
| Users | 50,000+ users across 550 companies (exaBase Generative AI, July 2024) | — | — | — |
| Founded | 2016 | 2023 | 2024 | — |
| Maker | ExaWizards Inc. (TSE: 4259) | — | — | — |
| Verdict | exaBase earned Japan's #1 ranking in the Deloitte Tohmatsu MIC FY2023 study across seven categories, and July 2026 brought a rebrand that matches the ambition: exaBase 生成AI is now simply exaBase AI, with autonomous age... |
Maisa AI targets the enterprise pain point of unreliable, opaque AI agents with its KPU engine and Maisa Studio, emphasising traceability, auditability, and reduced hallucination for compliance-sensitive workflows in ban... |
Project Mariner was Google DeepMind's research-preview AI agent that could navigate websites and complete multi-step web tasks (forms, research, shopping) much like a human, an important early demonstration of agentic br... |
Respell no longer exists as a product you can buy. The team was acquired by Salesforce and folded into its Agentforce group, and the standalone platform was wound down; existing customers were pointed to Lindy to migrate... |
| Full review → | Full review → | Full review → | Full review → |
Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.