Pillar Security vs SPLX: AI governance platform comparison

In brief

Pillar Security leads 6.88 to 5.96 on our weights. Pillar Security wins 6 criteria (AI discovery and inventory, Policy to runtime enforcement, Testing evidence, Framework mapping and audit-ready reports, Regulatory intelligence and expert support and Third-party AI governance), SPLX wins 2 (Languages and modalities and Pricing and trial transparency), and 0 are tied.

By The Charter Desk, Agentic Governance Compare · Published 2026-10-01 · Vendor pages read 1 October 2026 · Editorial assessment

§ 1 Which wins on each criterion?

Pillar Security and SPLX scores per criterion
CriterionWeightPillar SecuritySPLXWinner
AI discovery and inventory
Reasons

Pillar Security: AI Discovery & Posture is one of four platform pillars, and third-party AI discovery is listed on the governance page.

Source: Pillar Security home page · read 2026-10-01

SPLX: AI Asset Management (AI-BOM) is a named platform module.

Source: SPLX home page · read 2026-10-01

1287Pillar Security
Policy to runtime enforcement
Reasons

Pillar Security: Runtime guardrails block prompt injection, jailbreaking and tool manipulation and mask PII, PHI and secrets; policies cover approved model lists and data sovereignty.

Source: Pillar Security runtime guardrails page · read 2026-10-01

SPLX: AI Runtime Protection applies input and output guardrails, and Dynamic Remediation hardens system prompts.

Source: SPLX home page · read 2026-10-01

1897Pillar Security
Testing evidence
Reasons

Pillar Security: The RedGraph engine runs multi-turn agentic red teaming with transcripts, and guardrails calibrate from red teaming findings.

Source: Pillar Security red teaming page · read 2026-10-01

SPLX: Automated AI Red Teaming and AI Runtime Threat Inspection (log scanning) are named modules.

Source: SPLX home page · read 2026-10-01

1698Pillar Security
Framework mapping and audit-ready reports
Reasons

Pillar Security: Pillar says it generates audit-ready reports for GDPR, the EU AI Act, ISO 42001 and SOC, and maps findings to OWASP and MITRE ATLAS.

Source: Pillar Security governance and compliance page · read 2026-10-01

SPLX: AI Governance & Compliance maps to global and custom standards; the MITRE ATLAS and OWASP LLM Top 10 check is listed on the Enterprise plan.

Source: SPLX pricing page · read 2026-10-01

1497Pillar Security
Regulatory intelligence and expert support
Reasons

Pillar Security: Pillar publishes its own SAIL 2.0 framework; a regulatory intelligence feed or managed expert service is not described.

Source: Pillar Security home page · read 2026-10-01

SPLX: A regulatory intelligence feed or expert service is not described on the pages reviewed.

Source: SPLX home page · read 2026-10-01

1042Pillar Security
Third-party AI governance
Reasons

Pillar Security: Third-party AI discovery is listed, and red teaming covers third-party and SaaS AI.

Source: Pillar Security red teaming page · read 2026-10-01

SPLX: Governance of third-party or vendor AI is not described on the pages reviewed.

Source: SPLX home page · read 2026-10-01

1082Pillar Security
Languages and modalities
Reasons

Pillar Security: Language and modality coverage is not described on the pages reviewed.

Source: Pillar Security runtime guardrails page · read 2026-10-01

SPLX: The Professional plan lists multimodal voice and image testing; language coverage is not stated.

Source: SPLX pricing page · read 2026-10-01

1036SPLX
Pricing and trial transparency
Reasons

Pillar Security: Pricing is not published.

Source: Pillar Security home page · read 2026-10-01

SPLX: Plan names and contents are published, the pricing page refers to a free tier, and Agentic Radar is open source; prices are quote only.

Source: SPLX pricing page · read 2026-10-01

1016SPLX
Total1006.885.96Pillar Security

§ 2 How do their control maps differ?

Control map: Pillar Security

  1. 1 Policy

    Policy: what the rule says

    Policy enforcement covers approved model lists and data sovereignty.

    Source: Pillar Security governance and compliance page · read 2026-10-01

  2. 2 Control

    Control: what enforces it

    Runtime guardrails block prompt injection, jailbreaking and tool manipulation and mask PII, PHI and secrets.

    Source: Pillar Security runtime guardrails page · read 2026-10-01

  3. 3 Evidence

    Evidence: what proves it worked

    Every prompt, response and tool call is logged; the RedGraph engine runs multi-turn agentic red teaming with transcripts.

    Source: Pillar Security red teaming page · read 2026-10-01

  4. 4 Report

    Report: what an auditor receives

    Pillar says it generates audit-ready reports for GDPR, the EU AI Act, ISO 42001 and SOC.

    Source: Pillar Security governance and compliance page · read 2026-10-01

Control map: SPLX

  1. 1 Policy

    Policy: what the rule says

    AI Governance & Compliance maps to global and custom standards.

    Source: SPLX home page · read 2026-10-01

  2. 2 Control

    Control: what enforces it

    AI Runtime Protection applies input and output guardrails; Dynamic Remediation hardens system prompts.

    Source: SPLX home page · read 2026-10-01

  3. 3 Evidence

    Evidence: what proves it worked

    Automated AI Red Teaming and AI Runtime Threat Inspection (log scanning) produce findings.

    Source: SPLX home page · read 2026-10-01

  4. 4 Report

    Report: what an auditor receives

    The Enterprise plan lists a compliance framework check for MITRE ATLAS and the OWASP LLM Top 10.

    Source: SPLX pricing page · read 2026-10-01

§ 3 What do they publish about price?

Pillar Security

Pricing not published

Pricing
Not published

Source: Pillar Security home page · read 2026-10-01

SPLX

Plans published · Prices on quote

Professional plan
Get a Quote. 2000 credits per month, all probes and custom probes, multimodal voice and image, platform connections (Slack, WhatsApp, Teams), remediation steps, system prompt hardening, US or EU data center.

Source: SPLX pricing page · read 2026-10-01

Enterprise plan
Get a Quote. Compliance framework check (MITRE ATLAS, OWASP LLM Top 10), continuous threat monitoring, on-prem and hybrid or VPC deployment, SSO/SAML, Jira and ServiceNow.

Source: SPLX pricing page · read 2026-10-01

Free tier
The pricing page refers to 'Everything in Free'; the free tier's details were not shown in the text we read.

Source: SPLX pricing page · read 2026-10-01

§ 4 Which should you choose?

Choose Pillar Security if policy to runtime enforcement and testing evidence matter most to you. You want discovery, red teaming, runtime guardrails and audit-ready reports from one vendor.

Choose SPLX if testing evidence and policy to runtime enforcement matter most to you. You want to read plan contents before a sales call and start with an open-source scanner.

Questions about Pillar Security and SPLX

  • Is Pillar Security or SPLX better for AI governance?

    On our published weights Pillar Security scores 6.88 against 5.96. The answer changes with your priorities: Pillar Security is stronger on AI discovery and inventory, Policy to runtime enforcement, Testing evidence, Framework mapping and audit-ready reports, Regulatory intelligence and expert support and Third-party AI governance, SPLX on Languages and modalities and Pricing and trial transparency.

  • Which has stronger runtime enforcement, Pillar Security or SPLX?

    Pillar Security scores 9 and SPLX scores 7 on policy to runtime enforcement. Runtime guardrails block prompt injection, jailbreaking and tool manipulation and mask PII, PHI and secrets; policies cover approved model lists and data sovereignty.

  • Do Pillar Security and SPLX publish pricing?

    Pillar Security: Pricing not published. SPLX: Plans published · Prices on quote.