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Compare/cubic vs Sourcery

cubicvsSourcery

Generated from the two spec rows. Green marks the better value where a spec has a clear direction. Everything else is just different.

cubic
cubic · Code review agent
#88MCP
Panel
6.0
5 spec wins
Reliability
5.8
Usefulness
6.8
Cost
5.5
Longevity
6.0

“The free tier is twenty pull request reviews a month, which is either a whole team or one Dependabot.”

Sourcery
Sourcery · Code review agent
#78
Panel
6.0
2 spec wins
Reliability
5.8
Usefulness
5.8
Cost
6.3
Longevity
6.2

“Draws a diagram of your code changes, which is more attention than the changes usually get.”

Spec by spec

SpeccubicSourcery
Architecture
CategoryCode review agentCode review agent
Runscloud, sandboxcloud
Platformsweb, macos, linux, windowsweb, macos, linux, windows
Context windownot documentednot documented
Protocols
MCP clientNoNo
MCP serverYesNo
Capabilities
Runs terminal commandsNoNo
Multi-file editsYesNo
Git operationsYesYes
Browser controlNoNo
Sandboxed executionYesNo
Multi-agent orchestrationYesNo
Headless / CI modeYesYes
Models
BackboneOpenAI, Anthropic, Claude CodeOpenAI, Anthropic, Azure OpenAI
Bring your own modelNoYes
Local modelsNoNo
Cost
Pricing modelseatseat
Starts at$30/mo$12/mo
Free tierYesYes
Bring your own keyYesNo
Openness
Open sourceNoNo
Licenseproprietaryproprietary
GitHub starsn/an/a

Which one would each critic pick

CriticcubicSourceryPick
El Juez——not enough reviews
El Amigo7.07.0no preference
El Crítico6.56.5no preference
El Profesor6.56.0cubic — The benchmark claim is well specified and third-party: Martian's Code Review Bench, F1 61.8%, precision 56.3%, recall 68.6%, self-reported by cubic on 25 March 2026.
La Inversora6.36.5Sourcery — A 2019 company that survived two tool waves by bundling security scanning into the review seat, which is the only pricing power a reviewer has.
La Jefa6.06.3Sourcery — Sixty Team seats is $1,440 a month, GitHub Enterprise Server and self-hosted GitLab are covered, and the pricing page says nothing about SSO, SCIM or audit logs.
El Hacker4.04.0no preference

Picks are derived from each critic's own scores. Humans vote on matchups on the duels page.

Want a third column? The compare tool handles any two agents. Three-way comparisons are on the roadmap once the spec rows are all verified.