Side by side

Mira vs Sandopolis

Both stand on sega master system emulators. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Mira

Free plan Self-hostedWeb

Mira offers contextual reviews, security checks, and feedback-derived rules for teams prepared to self-host. Confirm that your code host is supported and account for direct model-provider costs.

Visit Mira

Pick Sandopolis if you want a free Sega emulator with browser access or desktop builds and support for the listed systems. Look elsewhere if imperfect compatibility or expected development changes would be a problem, or if you need Sega CD BIOS files bundled with the emulator.

Visit Sandopolis

The facts

	Mira	Sandopolis
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Self-hosted, Web	Web
Lowest paid plan	Free or on request	Free or on request
Plans published	1	1
Maker	Not published	Not published
Website	miracode.ai	github.com
On sega master system emulators	#12 of 25	#16 of 25

Mira: what it does well

Uses indexed project context beyond the diff
Includes secret scanning and OSV package checks
Supports GitHub, GitLab, and Forgejo
Free plan includes all features

What to know first

Self-hosting is the only deployment option
Bitbucket support is planned, not available
Users pay model-provider costs directly

Sandopolis: what it does well

Supports Genesis/Mega Drive, Sega CD, Master System, Game Gear, and SG-1000.
Offers configurable gameplay input, hotkeys, and rendering settings.
Browser version and pre-built desktop binaries are available.
MIT-licensed, with commercial use permitted.
Accepts ROM files, ZIP archives, and Sega CD disc images through its command line.

What to know first

Sega CD games require BIOS files that are not included.
Compatibility is imperfect during early development.
Bugs and breaking changes are expected.

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