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SynthBoard.ai vs Xalgorix

Bottom line

SynthBoard.ai has a free plan plus paid upgrades, while Xalgorix is paid. Xalgorix is open source and SynthBoard.ai is not. You can run Xalgorix on your own machine or server; SynthBoard.ai is hosted by the vendor.

Which one should you try?

SynthBoard.ai

Freemium

Best for Leaders who need high-level strategic guidance and a way to pressure-test critical business decisions

Visit SynthBoard.ai See full review

Xalgorix

Paid

Best for Security teams needing exploit-verified findings

Visit Xalgorix See full review

Pricing, capabilities and platforms side by side. Prices are as of the "Pricing checked" date in the table.

SynthBoard.ai

SynthBoard.ai

The platform assembles a board of AI personas — Skeptic, CFO, Strategist, Operator, and more — that autonomously debate your brief, counter each other's claims, and produce a synthesized recommendation with a traceable audit trail. Each session is recorded, outcomes can be connected to tools like Stripe and HubSpot, and the system learns over time which calls led to which results. That feedback loop is the differentiating bet — six months of tracked decisions means the board has context that a cold consulting call never would. The wall appears when your question requires deep industry-specific compliance knowledge or live market data the board cannot access without a web search toggle. Teams needing regulatory-grade rigor or litigation-ready documentation will hit the ceiling fast.

Xalgorix

Xalgorix

The core loop is detect, chain, verify: the agent runs reconnaissance through injection through authentication testing, then executes a dedicated validation phase before anything reaches your report. On a public deliberately-vulnerable target, the vendor documents 9 verified findings including a CVSS 9.8 RCE in 17 minutes. The REST API and cron-style scheduling let security teams wire scans directly into CI/CD gates, so releases block on verified findings rather than scanner noise. Where the architecture shows its limits: scan depth and concurrency are credit-gated, and teams running continuous coverage across a wide attack surface will need to budget credits carefully. Self-hosted deployment is listed as an option for teams with data-residency requirements.

AttributeSynthBoard.aiXalgorix
PricingFreemiumPaid
Price$16.67/mo$49/mo
Pricing checkedJun 11, 2026Oct 20, 2026
Free trialNot statedNot stated
Open sourceNoYes
Has APIYesYes
Self-hosted optionNoYes
PlatformsWeb (browser-based)Web dashboard, REST API
Released2025—
Pros
  • Auto-assembled boards require no prompt engineering to get started, which means you spend the session pressure-testing your decision rather than configuring the tool before you can use it.
  • Personas are engineered to hold position under pushback rather than fold toward consensus — so you get a genuine adversarial stress test instead of a polite summary of your own brief.
  • Outcome learning tied to connected tools like Stripe and HubSpot means the board accumulates a real track record of which decisions worked for your specific business, rather than starting cold every session.
  • A full audit trail of claims, counter-challenges, and consensus scores is logged per session, so a consultant can share a defensible brief with a client rather than paraphrasing a conversation.
  • API access and an MCP server let developers embed the decision-intelligence layer directly into their own applications or automated agent workflows, so the tool is not locked inside a browser session.
  • Exploit-verified findings only — the validation phase confirms each vulnerability with a working proof-of-concept before reporting, so engineers fix real risk instead of auditing a noisy candidate list.
  • REST API with programmatic scan creation and report retrieval, which means CI/CD pipelines can gate releases on verified findings without a human in the review loop for every build.
  • Cron-style recurring scans provide continuous attack surface coverage, so a newly deployed endpoint does not wait for the next manual engagement to get tested.
  • Branded PDF reports include executive summary, severity breakdown, proof-of-concept, and remediation steps with dated evidence, which means audit deliverables are a direct export rather than a manual writeup.
  • Self-hosted deployment option means organizations with data-residency requirements or air-gap mandates can run the platform without routing target data through the vendor's infrastructure.
Cons
  • Personas reason from training data, not licensed expertise — when your decision turns on jurisdiction-specific tax law, employment regulation, or securities compliance, the Lawyer and CFO personas produce structured-sounding analysis that still requires a licensed professional to verify before you act on it.
  • Outcome learning requires connecting third-party tools and sustained usage before the cross-session memory produces meaningful signal — teams running one-off sessions or keeping data in disconnected systems see no compounding benefit, which removes the primary long-term differentiator and leaves them with a per-session debate tool a simpler multi-agent setup could replicate.
  • There is no self-hosted deployment option, which means regulated industries with data residency requirements or internal security policies blocking third-party SaaS for strategic data cannot use the platform — those teams route to on-premise or private-cloud alternatives instead.
  • Multi-target scans process sequentially, not in parallel — a queue of ten applications runs one at a time with full state recovery between jobs. Teams needing simultaneous coverage across a large asset inventory hit this ceiling immediately and either reduce scope per run or build a scheduling layer on top of the API to manage the queue themselves.
  • Scan depth and breadth are credit-gated, with no fixed monthly allocation described in the docs. Teams running continuous coverage on a wide attack surface face unpredictable credit burn during high-change deployment periods, and the only mitigation is manually narrowing phase selection or scan frequency.
  • The 22-phase methodology is fixed by the vendor — you can focus on subsets of phases, but you cannot inject custom test logic or extend the agent's toolset. Security teams with proprietary attack patterns or bespoke application architectures that require custom modules will hit this wall and move to a platform that exposes the agent's tool layer for extension, such as an open framework where the testing logic is fully configurable.

Made up your mind?

SynthBoard.ai

Freemium

Best for Leaders who need high-level strategic guidance and a way to pressure-test critical business decisions

Visit SynthBoard.ai See full review

Xalgorix

Paid

Best for Security teams needing exploit-verified findings

Visit Xalgorix See full review

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Specs come from each tool's own site and docs (how we test). AIDiveForge is editorially independent.

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