Side by side
FuzzForge vs Fuzzilli
Both stand on fuzz testing software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Self-hostedWeb
FuzzForge combines automated campaign execution with engineer takeover and several deployment models. Its stated scope centers on embedded product security rather than replacing researchers or source-code scanning.
Visit FuzzForge Free plan LinuxMacSelf-hosted
Fuzzilli offers a configurable fuzzing setup with multiple target engines and coordination options. Building it requires a compatible instrumented engine and the specified toolchain.
Visit FuzzilliThe facts
| FuzzForge | Fuzzilli | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Self-hosted, Web | Linux, Mac, Self-hosted |
| Lowest paid plan | Not published | Free or on request |
| Plans published | None | 1 |
| Maker | Not published | Not published |
| Website | fuzzforge.ai | github.com |
| On fuzz testing software | #14 of 26 | #10 of 26 |
FuzzForge: what it does well
- Tests binaries, firmware, and source code
- Triaged crashes with replayable cases
- SBOM generation from binaries
- Hosted, cloud, on-premise, and air-gapped options
- Free plan listed
What to know first
- Does not replace security researchers
- Not a source-code scanner
- Air-gapped deployment costs more
- Air-gapped mode uses local open-weight models
Fuzzilli: what it does well
- Coverage-guided input generation, mutation, and hybrid methods.
- Supports multiple listed JavaScript engine targets.
- Instances can coordinate across machines over TCP.
- Docker and Google Compute Engine tooling is available.
What to know first
- Requires building an instrumented supported JavaScript engine.
- Requires Swift Package Manager to build Fuzzilli.
- Not an officially supported Google product.
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