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Head-to-head · Fuzz Testing Software

Mayhem vs EvoMaster

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Mayhem #1 in Fuzz Testing Software 9.4/10 Pricing on request · 30-day trial Free trial✓ 3 of 3 features Visit Mayhem
EvoMaster #5 in Fuzz Testing Software 8.5/10 Free plan Free plan✓ 0 of 3 features Visit EvoMaster

Mayhem leads on 0 checks, EvoMaster on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMayhem · 9.4/10
  • Free planonly EvoMaster
  • Free trialonly Mayhem
  • Most featuresMayhem · 3 of 3

Mayhem scores higher on our rubric for fuzz testing software: 9.4 against 8.5 out of 10; our editors rank them #1 and #5.

Mayhem is the better fit for teams needing broad managed fuzz testing. EvoMaster is the better fit for API teams testing REST, GraphQL, and RPC.

  • Mayhem fits best

    Teams needing broad managed fuzz testing

  • EvoMaster fits best

    API teams testing REST, GraphQL, and RPC

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Side by side

Feature Mayhem 9.4/10 Visit ↗ EvoMaster 8.5/10 Visit ↗
At a glance
Editor score 9.4 8.5
Ranking #1 in Fuzz Testing Software #5 in Fuzz Testing Software
Best for Teams needing broad managed fuzz testing API teams testing REST, GraphQL, and RPC
Pricing model Paid Free
Starting price Pricing on request · 30-day trial Free plan
Free plan Not checked yet ✓ (best)
Free trial 30 days —
Deployment Cloud, Self-hosted Self-hosted, Desktop
Platforms Web, Windows, macOS, Linux Windows, macOS, Linux
Support Docs Community, Docs
Integrations 9 integrations 2 integrations
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Mayhem 3/3 · EvoMaster 0/3
Coverage guidance ✓ (best) Not checked yet
Crash triage ✓ (best) Not checked yet
CI/CD support ✓ (best) Not checked yet
Specs
Input generation methods hybrid Not checked yet
Target types Linux binaries; Windows PE binaries; TCP/UDP applications; REST APIs; gRPC APIs; containers; automotive vECUs Not checked yet
Execution mode Hybrid Not checked yet
Supported languages C/C++; Python; Go; Rust; Java Not checked yet
Our review
Pros
  • Combines coverage-guided fuzzing with symbolic execution and hybrid targets
  • Automates crash triage with proof-of-vulnerability reproduction commands
  • Supports CI workflows, regression testing, and broad target coverage
  • Supports REST, GraphQL, gRPC, and Thrift API testing
  • Generates tests in Python, JavaScript, Java, and Kotlin
  • Combines authentication, database data generation, and reporting
Cons
  • Pricing requires contacting sales
  • Broad functionality may exceed the needs of narrowly focused teams
  • Configuration and workflow design may require security expertise
  • White-box testing is focused on JVM applications
  • Database generation centers on four supported database systems
  • Continuous integration integration is provided through GitHub Actions
Our verdict

Mayhem is an AI-driven application security testing platform for development and security teams. It is designed for organizations that need continuous fuzz testing across software, APIs, binaries, containers, connected systems, and…

Read the review →

EvoMaster is an open-source tool for automatically generating system-level tests and fuzzing web and enterprise applications. It is aimed at API teams working with REST, GraphQL, and RPC interfaces, including gRPC and Thrift. Its black-box…

Read the review →
  1. MayhemFuzz Testing Software 9.4Pricing on request · 30-day trial
  2. EvoMasterFuzz Testing Software 8.5Free plan

Strengths and trade-offs

  • Mayhem — where it wins

    • Combines coverage-guided fuzzing with symbolic execution and hybrid targets
    • Automates crash triage with proof-of-vulnerability reproduction commands
    • Supports CI workflows, regression testing, and broad target coverage

    Where it doesn't

    • Pricing requires contacting sales
    • Broad functionality may exceed the needs of narrowly focused teams
    • Configuration and workflow design may require security expertise

  • EvoMaster — where it wins

    • Supports REST, GraphQL, gRPC, and Thrift API testing
    • Generates tests in Python, JavaScript, Java, and Kotlin
    • Combines authentication, database data generation, and reporting

    Where it doesn't

    • White-box testing is focused on JVM applications
    • Database generation centers on four supported database systems
    • Continuous integration integration is provided through GitHub Actions
  • Mayhem9.4/10 · Pricing on request · 30-day trial

    Mayhem brings broad hybrid fuzz testing, triage, and regression coverage to CI workflows.

    Visit MayhemFull verdict →
  • EvoMaster8.5/10 · Free plan

    A broad, free API testing tool for teams covering REST, GraphQL, and RPC.

    Visit EvoMasterFull verdict →

More comparisons

All fuzz testing software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update