Pricing Guide
Smart Contract Audit Cost: Complete Pricing Guide
A transparent breakdown of what security audits actually cost, what drives pricing, and how to get the best value for your project.
Smart contract audit pricing varies wildly — from under $2,000 to well over $100,000 for a single engagement. The range depends on code complexity, scope, auditor reputation, and turnaround requirements. For many teams, especially early-stage projects, cost is the biggest barrier to getting a proper audit.
This guide breaks down the real cost factors, compares pricing across major providers, and explains what you should expect to receive at each price point. Whether you're deploying a simple ERC-20 token or a complex DeFi protocol, understanding audit economics helps you make better security decisions.
What Affects Audit Pricing
Four key variables that determine how much you'll pay for a smart contract audit.
01
Code Complexity & Size
The number of lines of code, the number of contracts, and architectural complexity (inheritance depth, cross-contract calls, assembly usage) are the primary cost drivers. A simple ERC-20 token with 200 lines costs far less to audit than a lending protocol with 5,000+ lines and complex liquidation logic.
02
Scope & Depth of Review
A basic static analysis review costs less than a full-scope engagement that includes property testing, economic modeling, penetration testing, and formal verification. Deeper coverage takes more hours and more specialized tooling, which translates to higher prices.
03
Turnaround Time
Rush audits with same-week delivery typically carry premium pricing. Standard timelines range from 2-6 weeks at traditional firms. AI-native platforms like FinGuard can deliver initial results within hours, with full reports in 1-3 days, without rush surcharges.
04
Post-Audit Support & Rescans
Some firms charge separately for each rescan after you fix issues. Others include one round of fixes. FinGuard includes unlimited rescans in the base price — you fix issues, rescan, and confirm remediation without additional invoices.
Price Comparison: Major Audit Providers
How FinGuard's flat-rate model compares to traditional per-engagement pricing.
| Provider | Starting Price | Turnaround | Rescans | Coverage Layers |
|---|---|---|---|---|
| FinGuard | 1,599 USDT flat | 1–3 days | Unlimited | 7 layers + sandbox exploits |
| CertiK | $10,000–$100,000+ | 2–6 weeks | Limited (varies) | Static + formal verification |
| Hacken | $5,000–$50,000+ | 2–4 weeks | 1 round included | Static + manual review |
| OpenZeppelin | $50,000–$200,000+ | 4–8 weeks | Negotiated | Manual expert review |
Prices are approximate and based on publicly available information and industry reports as of mid-2025. Actual quotes may vary based on project scope and complexity. Contact each provider for current pricing.
Frequently Asked Questions
Why is there such a wide price range for smart contract audits?
Audit costs vary based on code size, complexity, the number of auditors involved, their seniority, and the depth of analysis. A 200-line token contract is fundamentally different from a 10,000-line DeFi protocol with cross-chain bridges. Traditional firms also price in brand premium and waitlist demand.
Can I get a free smart contract audit?
Free public tools can run basic static analysis, but they miss complex vulnerabilities and provide no exploit verification. FinGuard's SkyEye provides free public scores, but a full audit with detailed findings and remediation guidance requires a paid engagement. Treat any 'free audit' claim with skepticism — quality security work requires real resources.
Is a cheaper audit always worse?
Not necessarily. Price correlates with brand prestige and team size, not always with quality of findings. AI-native platforms can deliver deeper coverage at lower cost because automation handles the repetitive analysis layers. What matters is the methodology: does the audit include exploit verification, property testing, and clear remediation steps?
How does FinGuard keep pricing flat at 1,599 USDT?
FinGuard's AI-native 7-layer pipeline automates the labor-intensive parts of auditing: static analysis, taint tracking, property testing, and initial exploit generation. Human-equivalent reasoning happens through multi-AI cross-audit and war-room review. This lets us deliver consistent depth without per-hour billing inflation.
Get a professional audit at a fair price
Flat 1,599 USDT · 7 layers · unlimited rescans · sandbox exploit verification.