Decagon vs Langboat 澜舟科技 (Mengzi) vs Sierra AI vs Tractable
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Decagon
Enterprise AI customer-support agents
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Langboat 澜舟科技 (Mengzi)
Mengzi language models plus a new enterprise digital-worker OS
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Sierra AI
Branded AI agents for customer experience
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Tractable
Computer-vision damage estimates for insurers, from photos alone
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| RECATOOLS Score | 7 / 10 | 6.6 / 10 | 7.2 / 10 | 6.4 / 10 |
| Capability | ||||
| Value for money | ||||
| Ease of use | ||||
| ASEAN readiness | ||||
| API quality | ||||
| Pricing | Enterprise | Enterprise | Enterprise | Enterprise |
| Free tier | — | — | — | — |
| Paid from | — | — | — | — |
| Has API | ✓ | ✓ | ✓ | ✓ |
| Open source | ✗ | ✗ | ✗ | ✗ |
| Free to use | ✗ | ✗ | ✗ | ✗ |
| Users | — | — | More than 40% of the Fortune 50 as customers; company reported more than $150M ARR as of early 2026 | — |
| Founded | 2023 | — | 2023 | 2014 |
| Maker | — | — | — | — |
| Verdict | Decagon builds enterprise-grade autonomous AI customer-support agents that resolve (not just deflect) tickets across chat, email and voice, integrating with internal systems via APIs to take real actions like billing loo... |
Langboat's edge is real: its Mengzi models topped CLUE benchmarks back in 2021, before most of today's LLM startups existed, and the open Mengzi3 (Apache 2.0, up to 13B parameters) still holds a respectable 1.4k GitHub s... |
Sierra builds bespoke, action-taking AI agents for enterprise customer service — resolving issues, processing cancellations, handling upsells — with deep systems integration and strong guardrails. The May 2026 raise ($95... |
Tractable reads photos of a wrecked car or a damaged roof and outputs an itemized repair estimate, cutting what used to be a multi-day adjuster visit down to minutes. It's genuinely the market leader in this narrow niche... |
| 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.