Parsimony
an open-source benchmark for how much code AI models add
Are you the maker of Parsimony? Claim this listing
What is Parsimony?
Parsimony is an open-source benchmark for how much code AI models add It's designed for teams choosing coding agents.
About Parsimony
Key Strengths
- Open-source benchmark of how much code AI coding agents add
- Compares agents on change size
- Useful for code-review culture
Limitations to Consider
- Smaller diffs aren’t always better
- Benchmark scope is limited
- Hobby project
Best For
Teams choosing coding agents.
Skip it if: You need functional benchmarks.
Pricing
flexible pricing options
Free and open source (checked Oct 14, 2026)
Sources
Pros, cons and pricing compiled from public sources (official pricing/docs pages, published reviews, user reports), not hands-on testing.
Compare Parsimony
Similar Tools in AI Coding Assistants
Plimsoll, a self-hosted sandbox for code your AI agent writes
A sandbox service for running untrusted, agent-authored code that reports the isolation boundary each run executed behind. Lessons, no clone needed: https://plimsollmark.github.io/plimsoll/trainers/ - plimsollmark/plimsoll
Try Plimsoll, a self-hosted sandbox for code your AI agent writesSpecification First Agentic Development Plugin and Prove
Spec-first agentic development is specification-driven development for AI coding agents: reviewed specs, isolated worktrees, gated commits.
Try Specification First Agentic Development Plugin and ProveFrequently Asked Questions
What is Parsimony?
Parsimony is an open-source benchmark for how much code AI models add It's designed for teams choosing coding agents.
How much does Parsimony cost?
Parsimony offers flexible pricing options You can check pricing on their official website.
Who should use Parsimony?
Parsimony is best suited to teams choosing coding agents.