Co-Brain Questionnaire Agent vs ReliaQuest GreyMatter Agentic Teammates
Quick answer
Co-Brain Questionnaire Agent (security questionnaire automation) (Co-Brain (Co-Brain GmbH)) and ReliaQuest GreyMatter Agentic Teammates (GreyMatter for Government) (ReliaQuest) are both listed in the Security category of Agent Index.
They share no framework tags in our dataset.
This is not a ranking.
Co-Brain Questionnaire Agent (security questionnaire automation) (Co-Brain (Co-Brain GmbH)) and ReliaQuest GreyMatter Agentic Teammates (GreyMatter for Government) (ReliaQuest) are both listed in the Security category of Agent Index. They share no framework tags in our dataset. Only Co-Brain Questionnaire Agent (security questionnaire automation) is tagged for DORA. Only ReliaQuest GreyMatter Agentic Teammates (GreyMatter for Government) is tagged for FedRAMP, TX-RAMP.
| Field |  Co-Brain Questionnaire Agent (security questionnaire automation) |  ReliaQuest GreyMatter Agentic Teammates (GreyMatter for Government) |
|---|---|---|
| Vendor | Co-Brain (Co-Brain GmbH) | ReliaQuest |
| HQ | Germany · Europe | United States · North America |
| Primary category | Security | Security |
| Also listed in | Security, Compliance, Risk | Security, Compliance |
| Summary | German agent that completes incoming security questionnaires (vendor assessments, TISAX, ISO 27001, DORA) in Excel, PDF, Word or vendor portals from the customer's policies, certificates and past answers, with a source citation on every answer, consistent answers to re-worded questions, expert routing and team approval. | Agentic AI security operations platform whose six persona-based Agentic Teammates investigate and triage alerts and execute approved containment actions; GreyMatter for Government is FedRAMP Authorized (Moderate). |
| Frameworks (vendor-stated) | DORA | FedRAMP, TX-RAMP |
| FedRAMP (Marketplace, listing scope) | — | GreyMatter for Government · FedRAMP Authorized · FR2428740308 · Moderate · authorized 2026-07-08 |
| Frameworks (vendor-claimed) | TISAX, ISO 27001, DORA, GDPR | FedRAMP, TX-RAMP, FISMA, CMMC, SOC 2, ISO 27001, HIPAA, PCI DSS |
| Capabilities / tasks | questionnaire automation, workflow automation | security operations, alert triage, incident response, threat detection, government compliance |
| Pricing (as published) | Not published | Not published (vendor says pricing is based on endpoint count with no AI usage meter). |
| Pricing model | quote | quote |
| Primary source | https://co-brain.ai/en/questionnaire-agent | https://reliaquest.com/security-operations-platform/greymatter-agentic-teammates/ |
| Last checked | 2026-10-19 | 2026-10-18 |
| Official site | https://co-brain.ai/en/questionnaire-agent | https://reliaquest.com/security-operations-platform/greymatter-agentic-teammates/ |
FAQ (from this dataset)
What is the difference between Co-Brain Questionnaire Agent and ReliaQuest GreyMatter Agentic Teammates?
Both are listed under Security. They share no task tags in this dataset. Co-Brain Questionnaire Agent-only tasks: questionnaire-automation, workflow-automation. ReliaQuest GreyMatter Agentic Teammates-only tasks: security-operations, alert-triage, incident-response, threat-detection, government-compliance. Differences are from stored category and task tags, not a ranking.
Which one publishes pricing?
Co-Brain Questionnaire Agent (security questionnaire automation): Not published ReliaQuest GreyMatter Agentic Teammates (GreyMatter for Government): Not published (vendor says pricing is based on endpoint count with no AI usage meter).
Where are Co-Brain Questionnaire Agent and ReliaQuest GreyMatter Agentic Teammates headquartered?
Co-Brain Questionnaire Agent (security questionnaire automation) publishes HQ in Germany. ReliaQuest GreyMatter Agentic Teammates (GreyMatter for Government) publishes HQ in United States.
Also in this use case
Other verified listings that share a task tag or use-case group with Co-Brain Questionnaire Agent (security questionnaire automation) or ReliaQuest GreyMatter Agentic Teammates (GreyMatter for Government). Open a pair page or the use-case table — this is not a ranking.
- Covasant TPRM (agentic third-party risk management) — Third-party risk product from Hyderabad-headquartered Covasant. Purpose-built AI agents onboard vendors through due-diligence workflows, chase vendors who are slow to respond, keep watching news, sanctions and financial data, and, when risk thresholds break, open remediation workflows, track vendor responses, escalate unresolved issues and produce DORA, SOX and NIST reporting packages.
- SOCRadar AI Agents (specialist threat-intelligence, attack-surface, digital-risk and alarm-triage agents) — Roster of specialist agents inside the SOCRadar threat-intelligence platform: customers deploy agents, set each one's skills, scope and access, and green-light sensitive steps. Agents cover threat-actor and ransomware intelligence, detection-rule writing, IoC enrichment, identity/credential exposure, vulnerability analysis, brand and dark-web monitoring, phishing-domain hunting, external attack surface and Shodan recon, and alarm triage that records verdicts and asks before changing an alarm's status. · SOCRadar AI Agents (specialist threat-intelligence, attack-surface, digital-risk and alarm-triage agents) pair comparison
- Strike48 agentic SecOps platform (pre-built SOC agent team and no-code agent builder over federated logs, cloud or air-gapped on-prem) — Agentic orchestration platform for SOC and IT teams from the company behind the Devo log platform: purpose-built micro agents triage and investigate alerts, analyse phishing, hunt threats, write and tune detections and help with compliance over logs queried in place across SIEMs and data lakes, with configurable human approval and an audit trail; available as SaaS, isolated compute or an air-gapped on-prem appliance. · Strike48 agentic SecOps platform (pre-built SOC agent team and no-code agent builder over federated logs, cloud or air-gapped on-prem) pair comparison
- trail Governance Agents (GRC and AI governance agents) — Munich-based trail's Governance Agents run GRC busywork in the background: they read your project files and sources to collect and link evidence, assess controls, classify systems, run risk and vendor assessments and draft policies, proposing changes that a human approves before anything is written.
Use-case comparisons
- AI SOC and security-analyst agents — 51 listings (Security operations, alert investigation and threat detection)
- TPRM and vendor-risk AI agents — 40 listings (Third-party risk, vendor assessments, security ratings and questionnaire automation)
- US public-sector and FedRAMP AI agents — 25 listings (US government, FedRAMP and public-sector compliance or security operations)
- Security questionnaire AI agents — 10 listings (Inbound security questionnaires, SIG/CAIQ-style responses and questionnaire automation)
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