Unit21 vs Hummingbird

Unit21 is the better fit for teams that need real-time fraud and AML detection, screening, case management, and filing on one platform; Hummingbird is the better fit when investigations and regulatory reporting are the core job and you want monitoring to run in your own data warehouse. Runtime is the AI agent harness for payment and fintech teams, and it works the cases either one opens across payment ops, finance, and support.

The two used to be easy to tell apart: Unit21 detected, Hummingbird investigated and filed. In 2025 and 2026 both moved toward each other, so they now meet on most BSA/AML shortlists.

Unit21 vs Hummingbird at a glance

Unit21 calls itself AI risk infrastructure for fraud and AML. Its platform covers real-time monitoring, AML transaction monitoring, sanctions and payment screening, customer risk rating, a fraud consortium, device intelligence, case management, and regulatory filing. It files SARs and CTRs directly with FinCEN and STRs with FINTRAC. Unit21 says it monitors 4.5 billion events a month and names customers such as Chime, Brex, Green Dot Bank, Crypto.com, and Sallie Mae.

Hummingbird is a compliance orchestration platform where analysts and AI agents work in a shared workspace with one audit trail. It covers customer screening (sanctions, PEP, adverse media), transaction monitoring, investigations, and regulatory reporting, with direct FinCEN and FINTRAC e-filing. Customers on its site include Raymond James, DraftKings, Plaid, Paxos, and Grasshopper Bank.

Detection and monitoring

Unit21. Detection is Unit21's center of gravity. Rules run in real time and return deny, escalate, or allow decisions in milliseconds, alongside velocity rules, anomaly detection models, and AI rule recommendations. It ingests data from bank cores such as Fiserv, Jack Henry, and Q2, and from Snowflake, BigQuery, and Databricks.

Hummingbird. Hummingbird added transaction monitoring and customer screening in September 2025. Monitoring rules, in SQL or a no-code builder, run directly on your warehouse (Snowflake, Databricks, BigQuery, Starburst, Postgres, or Athena), so data is not copied out. Its fraud use case is framed for non-real-time rails like ACH and wire.

Investigations and filing

Unit21. Case management, customer risk rating, and filing sit on the same platform as detection. Filed SARs are updated with the BSA tracking ID once FinCEN confirms them, and continuing activity reports are tracked. For goAML countries it produces an XML export you upload yourself.

Hummingbird. Investigations and reporting are where Hummingbird started and where it is deepest. Beyond FinCEN and FINTRAC, it lists automated reports for FIUs in Ireland, Germany, Sweden, the Netherlands, Luxembourg, Bermuda, Ghana, and Nigeria. It connects to 50+ apps, including Thomson Reuters CLEAR, Middesk, Chainalysis, Elliptic, and Zendesk.

AI agents

Unit21. The Detection Agent analyzes alerts and behavior to cut false positives, and the Investigation Agent summarizes risk, writes narratives, and surfaces linked entities. Build Your Own Agent and the Agentic Task Builder let teams describe custom investigation tasks in plain English. Unit21 says more than 100 customers run its agents in production, and is explicit that its agents do not take actions, close cases, or file.

Hummingbird. The Research Agent gathers evidence from the web, internal systems, and prior cases. The Review Agent fills out the review following your procedures. The Narrative Agent drafts case narratives, and the SAR Agent fills and submits the form once a person approves. Hummingbird says its agents can also run over API against another case management system.

Pricing

Neither Unit21 nor Hummingbird publishes pricing. Both are sold through sales.

Where Runtime enters the picture

Both platforms now put agents on the AML case. The case still ends at the compliance team's edge. An alert on a merchant's outbound wires turns into a held payout for payment ops, a reserve question for finance, a ticket from the merchant, and an RFI from the sponsor bank. The investigator in Unit21 or Hummingbird needs processor history and ledger entries they cannot see, and the actions that follow happen in other tools.

Runtime is the AI agent harness for payment and fintech teams. Agents pick up the case through Unit21's or Hummingbird's API, pull processor and ledger data, read the ticket history, and draft the payout hold, the reserve recommendation, and the RFI response. A person approves before money moves, and the compliance platform stays the system of record for the case and the filing.

• No single vendor to depend on. Agents run in your AWS, GCP, or Azure account or fully self-hosted, on your choice of sandbox provider with fallbacks, using Claude, GPT, Gemini, or open-weight models, with harness routing across Claude Code, Codex, and OpenCode.
• Guardrails you set. Read-only by default, approvals before money moves, RBAC, masked credentials, SSNs and card numbers stripped from prompts and logs, every run recorded for your examiner.
• Built for teams. Compliance, risk, payment ops, finance, and support share agents, templates, and one memory of every case.
• An engineer, not an account executive. A forward-deployed AI engineer with a payments background from Hulu's payments team at Disney, Finix, Modern Treasury, or BlackRock builds the first agents with your team.

Describe the jobConnect your tools, even legacy onesKeep a human in the loopNo single vendor to depend onOne memory across teamsEvery run is stored

[::]New agent

Create a banking ops agent that handles RFIs, hold-harmless requests, and returns of funds from our partner bank, verifies against our ledger, and drafts replies for my approval.

Describe the agent you want

Agent ready

bank-ops-agent

Tools picked from your prompt

EmailLedgerSFTPMastercard

Which should you choose

• Choose Unit21 if you need real-time fraud decisions and AML monitoring alongside cases and filing, with a fraud consortium and device intelligence.
• Choose Hummingbird if investigations and multi-jurisdiction reporting are the core job, your data lives in a cloud warehouse, and you want agents that file after a person approves.
• Choose Runtime if AML cases keep turning into work for payment ops, finance, and support, and you want agents in your cloud with approvals before money moves. Runtime runs alongside either one.

Frequently asked questions

What is the difference between Unit21 and Hummingbird?

Unit21 is a fraud and AML platform built around real-time detection, with monitoring, screening, a fraud consortium, case management, and FinCEN filing. Hummingbird started as compliance case management and is now a compliance orchestration platform, with screening, transaction monitoring that runs on your data warehouse, investigations, and regulatory reporting.

Do Unit21 and Hummingbird have AI agents?

Yes. Unit21 has a Detection Agent and an Investigation Agent, launched in 2025, and an Agentic Task Builder from July 2026. Hummingbird has Research and Review Agents, launched in June 2026, plus a Narrative Agent, a SAR Agent that files after a person approves, and an AI Assistant.

Which is better for SAR filing?

Both e-file SARs and CTRs with FinCEN and STRs with FINTRAC. Hummingbird also lists automated reports for FIUs in Ireland, Germany, Sweden, the Netherlands, Luxembourg, Bermuda, Ghana, and Nigeria. Unit21 offers goAML XML exports, with ready-made setups for Malta and the Netherlands.

How much do Unit21 and Hummingbird cost?

Neither publishes pricing. Both are sold through sales.

Where does Runtime fit next to Unit21 or Hummingbird?

Runtime is the AI agent harness for payment and fintech teams. Unit21 or Hummingbird opens and documents the AML case; Runtime agents carry it into the ledger, processor, support tickets, and partner bank requests, draft the actions for payment ops and finance, and wait for approval before money moves.