One engine. Five ways to buy.

Same multi-engine smart-contract audit stack on every paid tier — IR detector, Claude AI, Mythril, Foundry fuzzing, Wake, and on-chain analysis. Volume, bundled compliance attestations, and service level differentiate. No feature-gating tricks.

88.6% HIGH-severity recall — verifiable on the benchmark
Premium engagement

Pre-Launch Audit — founder-led, human-in-the-loop

Going to mainnet? Get a deep human-reviewed audit before launch. 7–14 day turnaround, written deliverable PDF, 30-day exploit refund guarantee. Anchored against Trail of Bits ($150k+) and Spearbit ($20k–$50k) — we deliver the same artifact for less, backed by our automated detection layer that catches what traditional audits miss.

$20k–$50k
Standard / Deep / + Monitoring
View Pre-Launch Audit →

Or subscribe for continuous coverage

Same multi-engine stack. Volume + compliance bundling + service level differentiate. PAYG and subscription pricing both anchored against real competition: Bunzz AI ($1,791/audit), Sherlock simple ($5k–$20k/engagement), Trail of Bits ($150k+).

Free

Deterministic detection. No AI. Forever free.
vs Slither / Aderyn: we publish a 88.6% reproducible recall benchmark. They don't.
$0
No card required
3 IR scans / month
No overage. No AI.
  • SolSentinel IR detector (the engine the benchmark measures)
  • Solhint static linter
  • Top 3 findings shown
  • No Claude AI analysis
  • No symbolic execution / fuzzing
  • No API, no PDF, no GitHub App
Sign up free

Protocol Team

Volume + compliance + teams. Same engine as Pro.
vs one Sherlock simple engagement ($5k–$20k): $6,999/mo gets you 60 audits, 5 bundled compliance attestations ($7,495 retail), and continuous coverage — not a one-time deliverable.
$6,999
/month
$69,990/yr — save $13,998
60 AI audits / month ($116.65 effective)
Overage $179 / scan — 40% off PAYG
  • Everything in Pro Builder, plus:
  • 5 compliance attestations / mo bundled ($7,495 value — MiCA, FIT21, SOC 2, ISO 27001)
  • 10 team seats
  • White-label PDF reports (your brand)
  • 365-day result retention
  • Unlimited API keys
  • Multi-project: 25 projects
  • Single Claude AI (dual-AI = Audit Infrastructure)
Start Protocol Team

Audit Infrastructure

Dual-AI + on-prem. For protocols and audit firms.
vs one Trail of Bits engagement ($150k–$200k): $239,988/yr for 2,400 audits, dual-AI consensus, white-label, on-prem, dedicated SLA — less than two TOB engagements, continuous instead of one-shot.
$19,999
/month
$239,988/yr — sales scopes higher volumes via custom contract
200 AI audits / month ($99.99 effective)
Overage $129 / scan — 57% off PAYG, cheapest in catalogue
  • Everything in Protocol Team, plus:
  • Dual-AI Claude+Grok consensus (the one true premium feature)
  • On-premise deployment option
  • Dedicated engineer + SLA
  • Custom detectors for your protocol
  • Unlimited team seats + projects
  • White-label everything (domain, reports, API)
  • Unlimited compliance attestations
Contact Sales

Same engine. Different volume.

Below is every detection layer SolSentinel runs. Notice the columns are nearly identical — that's intentional. We don't artificially cripple lower tiers. You're paying for volume, bundled compliance, and service level, not for which engines we let you use.

Detection layer Free Pro Builder Protocol Team Audit Infrastructure
SolSentinel IR detector (deterministic)
Solhint static linter
Claude AI semantic analysis
Mythril symbolic execution
Foundry fuzz testing (512+ inputs)
Wake static analyzer
On-chain analysis (Etherscan)
Honeypot risk detection
GitHub App + Checks API annotations
Claude + Grok dual-AI consensus

Capability comparison

Volume, bundling, seats, and service level — the actual differentiators.

Capability Free Pro Builder Protocol Team Audit Infrastructure
Audits / month3 (IR only)1060200 (custom higher)
Effective $/audit (at quota)$149.90$116.65$99.99
Overage rate$249/scan$179/scan$129/scan
LOC per audit1,000UnlimitedUnlimitedUnlimited
Compliance attestations$1,499 each5/mo bundled, then $1,499Unlimited
Team seats1110Unlimited
Multi-project workspace1525Unlimited
PDF report styleBrandedWhite-labelWhite-label
Result retention7d90d365dCustom
Priority queue
On-prem deployment
Dedicated SLA / engineer

Add-on products

Buy without a subscription. Each one stands alone.

Pay-as-you-go audit

$299 / scan

One full multi-engine AI-powered audit, no subscription required. 6x cheaper than Bunzz AI ($1,791) on a product that ships strictly more — Foundry test per finding, unified fix diff, reproducible-at-$0 cached JSON. Perfect for occasional users or evaluating before subscribing.

Buy one audit →

Compliance attestation

$4,999 / attestation

Structured MiCA / FIT21 / SOC 2 / ISO 27001 compliance report against any audit. Standalone — no SolSentinel subscription required. Human MiCA attestations from regulatory consultants run $25k+. Existing Pro Builder subscribers get the same attestation at $1,499 each.

Generate attestation →

Pre-launch audit

$20,000 — $50,000

Founder-led, human-in-the-loop audit before mainnet launch. 7–14 day turnaround, written deliverable PDF, 30-day exploit refund guarantee. Standard ($20k), deep multi-contract ($35k), or with 90 days of continuous monitoring ($50k).

View pre-launch audit →

Honest questions

Things customers ask before subscribing.

Why isn't Claude AI in the Free tier?

So Free can stay genuinely free forever (no card, no trial timer). The Free tier runs our deterministic IR + Solhint engines — the same detector that powers our 88.6% recall benchmark on Code4rena HIGH-severity findings. Every paid tier adds Claude AI on top, which catches the novel protocol- specific logic bugs that pattern detectors structurally cannot see.

Same engine on Pro Builder, Protocol Team, and Audit Infrastructure?

Yes. We don't artificially cripple lower paid tiers. You get the full multi-engine stack (IR + Claude + Mythril + Foundry + Wake + on-chain) on every paid plan. Tiers differ in: scan volume, overage rate, bundled compliance attestations, team seats, retention, and service level. The one true engine upgrade is dual-AI Claude+Grok consensus, which is reserved for Audit Infrastructure (custom pricing) because it literally costs us 2× the API per scan.

What does overage cost?

If you exceed your included monthly scans, every extra audit is billed at your tier's overage rate: $249/scan on Pro Builder, $179/scan on Protocol Team, $129/scan on Audit Infrastructure. Every overage rate is cheaper than PAYG ($299) — subscribers always pay less per audit than one-off buyers. Charges accrue on your next subscription invoice. We don't block you from running audits when you go over — security shouldn't have a "you're over the limit" wall.

Should I do PAYG or subscribe?

Break-even on Pro Builder is 5 PAYG scans/month ($1,499 Pro vs 5 × $299 = $1,495 PAYG). If you run 5+ audits per month, Pro saves you money AND gives you GitHub App, projects, API access, and 90-day retention vs 7-day for PAYG. PAYG is best for trying SolSentinel without commitment or for occasional one-off audits.

When should I upgrade from Pro to Team?

Break-even is 32 audits/month. At that point, your Pro overage bill ($1,499 + 22 × $249 = $6,977) matches Team flat ($6,999) — and Team gives you 60 included audits with 28 audits of headroom, plus 5 bundled compliance attestations, 10 team seats, and white-label PDFs. The math becomes obvious before you ever feel forced.

Can I cancel?

Yes, anytime from your account. We don't issue refunds for partial months, but you keep full access until your billing period ends. Downgrades take effect at the next renewal; upgrades are prorated immediately.

What's the compliance attestation really worth?

For comparison: SOC 2 Type I attestation from a CPA firm runs $5,000–$15,000. MiCA gap analysis from a regulatory consultant runs $25,000+. Our AI-assisted attestation produces the structured per-criterion analysis (MiCA Articles 30/50/68/75/76, FIT21 §§202(b)/301/404/501, SOC 2 CC6.1/CC6.6/CC7.1/A1.2/PI1.4) for $4,999 standalone or $1,499 as a Pro subscriber. It's the AI-driven version of the artifact, suitable for internal review or to hand to a CPA who'll sign their version. We're the only product that has this.

What makes the AI-assisted attestation defensible?

Three things separate it from "we matched the word reentrancy":

  • Per-clause reasoning. Claude Opus 4.7 reads the actual regulatory text (Article 50(2)(c), CC6.1, FIT21 §404, etc. — full sub-clause coverage, not just article numbers) plus the contract source plus the audit findings, then assesses each clause individually with cited evidence.
  • Tamper-evident hash chain. Every attestation includes a SHA-256 fingerprint combining contract source + audit findings + regulation version. Embedded on the PDF cover. Anyone can verify at /api/compliance/verify/{fingerprint}.
  • Reissuance lifecycle. Fix a finding, re-attest. The new attestation links back to the previous via reissue chain — counterparties see the full remediation timeline.

What we are NOT: a licensed CPA firm. SOC 2 formal reports require CPA signature. We produce the AI-driven artifact + the structured data your CPA can use as input.