Castellum.AI Arbiter AI agents (alert resolution, transaction and fraud monitoring agents) vs Themis AI Investigator (AML/KYB due-diligence agents)
Castellum.AI Arbiter AI agents (alert resolution, transaction and fraud monitoring agents) (Castellum.AI) and Themis AI Investigator (AML/KYB due-diligence agents) (Themis (Themis International Services Ltd)) are both listed in the Risk category of Agent Index. They share no framework tags in our dataset.
| Field |  Themis AI Investigator (AML/KYB due-diligence agents) | |
|---|---|---|
| Vendor | Castellum.AI | Themis (Themis International Services Ltd) |
| HQ | United States · North America | United Kingdom · Europe |
| 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. | 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. |
| Framework tags (Agent Index) | — | — |
| Frameworks (vendor-claimed) | — | — |
| Capabilities / tasks | aml, kyc, alert triage, case investigation, fraud detection, sar narratives | kyc, aml, case investigation, risk assessment |
| 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.wearethemis.com/uk/software/modules/ai-investigator |
| Last checked | 2026-10-18 | 2026-10-18 |
| Official site | https://www.castellum.ai/products/aml-kyc-ai-agent-arbiter | https://www.wearethemis.com/uk/software/modules/ai-investigator |
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 Themis AI Investigator (AML/KYB due-diligence agents). 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
- 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
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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