Castellum.AI Arbiter AI agents (alert resolution, transaction and fraud monitoring agents) vs Unit21 AI Agents for fraud and AML
Castellum.AI Arbiter AI agents (alert resolution, transaction and fraud monitoring agents) (Castellum.AI) and Unit21 AI Agents for fraud and AML (Unit21) are both listed in the Risk category of Agent Index. They share no framework tags in our dataset.
| Field |  Unit21 AI Agents for fraud and AML | |
|---|---|---|
| Vendor | Castellum.AI | Unit21 |
| HQ | United States · North America | United States · North America |
| Primary category | Risk | Risk |
| Also listed in | Risk, Compliance | Risk, Compliance |
| Summary | AML/KYC agents that resolve L1 and L2 screening alerts (sanctions, PEPs, adverse media) against the institution's own policies, plus transaction-monitoring and fraud-monitoring agents, with a documented rationale for every decision. | AI agents that run fraud and AML alert triage and investigations: they pull transaction history, check watchlists, run open-source research, assemble evidence, draft narratives and recommend dispositions for analyst approval. |
| Framework tags (Agent Index) | — | — |
| Frameworks (vendor-claimed) | — | — |
| Capabilities / tasks | aml, kyc, alert triage, case investigation, fraud detection, sar narratives | aml, fraud detection, case investigation, sar narratives |
| Pricing (as published) | Not published | Not published |
| Pricing model | quote | quote |
| Primary source | https://www.castellum.ai/products/aml-kyc-ai-agent-arbiter | https://www.unit21.ai/products/ai-agent |
| Last checked | 2026-10-18 | 2026-10-18 |
| Official site | https://www.castellum.ai/products/aml-kyc-ai-agent-arbiter | https://www.unit21.ai/products/ai-agent |
Side-by-side data is generated from the open dataset. “Vendor-claimed” frameworks are as marketed by each vendor and not verified by Agent Index; framework tags indicate relevance, not certification. Request current quotes from each vendor before buying. This page does not rank or score vendors. Sponsored comparisons, if any, will be labelled.
Also in this use case
Other verified listings that share a task tag or use-case group with Castellum.AI Arbiter AI agents (alert resolution, transaction and fraud monitoring agents) or Unit21 AI Agents for fraud and AML. Open a pair page or the use-case table — this is not a ranking.
- Avokaado Avo AI (governed contract agents) — Contract lifecycle platform whose Avo AI turns each contract type into a governed agent (NDA, Vendor, Procurement and KYC Agents) that drafts, negotiates, approves and analyses within your playbooks, with every action scored and logged.
- Dotfile Autonomy (KYB/AML review agents) — Specialised AI agents that pre-investigate KYB cases end to end (documents, UBOs, AML screening hits, online reputation), auto-approve routine cases under the customer's policy and escalate edge cases with a full audit trail. · Dotfile Autonomy (KYB/AML review agents) pair comparison
- Medius autonomous AP (agentic AI and Supplier Conversations) — Accounts payable platform that uses agentic AI to capture and code invoices, decide matches, routing and approvals, approve payments for trusted vendors, check for fraud (including AI-generated receipts) and answer supplier invoice and payment emails automatically.
- SymphonyAI SRI Agents (Symphony Risk Intelligence) — Financial-crime agents on SymphonyAI's agent-native Symphony Risk Intelligence platform: manager and specialist agents that prepare TM and screening investigations, enrich watchlist records, track threat and regulatory intelligence, and run KYC/EDD workflows. · SymphonyAI SRI Agents (Symphony Risk Intelligence) pair comparison
- Themis AI Investigator (AML/KYB due-diligence agents) — A coordinated team of AML-trained AI agents that runs enhanced due-diligence and KYB investigations in minutes: registry and web collection, officer/UBO screening, adverse-media analysis and transparent red/amber/green risk grading, with analysts keeping the final decision. · Themis AI Investigator (AML/KYB due-diligence agents) pair comparison
Use-case comparisons
- AML and transaction-monitoring AI agents — 22 listings (Anti-money-laundering, transaction monitoring and financial-crime investigation)
- KYC and identity AI agents — 22 listings (Know-your-customer, identity verification and onboarding)
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