Comparison

Helm vs LM Evaluation Harness

On the evidence we track, Helm leads this comparison with a composite score of 63/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Helm63
LM Evaluation Harness48
Score
vioscaleAI score
Helm63 / 100low · 41%
LM Evaluation Harness48 / 100low · 35%
Pricing
Free tier
Helm✓
LM Evaluation Harness✓
Model
LM Evaluation Harnessopen_source
Price level
Helmfree
LM Evaluation Harnessfree
Transparent
Helm✓
LM Evaluation Harness✓
Integrations
Count
Helm–
LM Evaluation Harness5
Adoption
Dependent repos
Helm5,000
LM Evaluation Harness252
Github stars
Helm30,318
LM Evaluation Harness14,221
Activity
Commits last 30d
Helm100
LM Evaluation Harness57
Release
Cadence days
Helm5
LM Evaluation Harness72
History
LM Evaluation Harness19 items
License
Spdx
LM Evaluation HarnessMIT
Language
Primary
HelmGo
LM Evaluation HarnessPython
Market
Availability
LM Evaluation Harness–
Content
Faq
LM Evaluation Harness6 items

Capabilities

Feature-by-feature on the axes that matter for ai evals testing. “-” means undocumented, not absent.

Capabilities
Architecture model
HelmOpen source CLI
LM Evaluation HarnessOpen source CLI
LLM as a judge prompt grading framework
Helm-
LM Evaluation Harness-
Specialized rag metrics faithfulness context relevance
Helm-
LM Evaluation Harness-
Deterministic regex and json schema assertions
Helm-
LM Evaluation Harness-
Synthetic test dataset generation from documents
Helm-
LM Evaluation Harness-
Ci cd github actions pipeline blocking gates
Helm-
LM Evaluation Harness-
Red teaming and adversarial vulnerability scanning
Helm-
LM Evaluation Harness-
Multi model side by side ab regression testing
Helm-
LM Evaluation Harness✓
Human in the loop hitl annotation UI
Helm-
LM Evaluation Harness-
Dashboard analytics for metric drift over time
Helm-
LM Evaluation Harness-
SOC2 type ii
Helm-
LM Evaluation Harness-
Mit or apache permissive oss license
Helm✓
LM Evaluation Harness-
Pricing model
HelmFree open source
LM Evaluation HarnessFree open source

What each one is

The product in its own terms, so the numbers below have context.

Helm

Leader

A package management system that simplifies the installation, configuration, and deployment of applications in Kubernetes environments. Similar to traditional package managers like apt or homebrew, Helm enables developers to define and manage reusable application packages called Charts across clusters.

Independently observed

LM Evaluation Harness

A framework for conducting few-shot evaluation of language models against various tasks and benchmarks. Supports multiple model backends, custom evaluation metrics, and extensible task definitions for assessing model capabilities and performance.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Helm

Leader
Open source
as of verify ↗

LM Evaluation Harness

Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
macOS
Helm✗
LM Evaluation Harness✓
Windows
Helm✗
LM Evaluation Harness✓
Linux
Helm✗
LM Evaluation Harness✓
CLI
Helm✓
LM Evaluation Harness✓
Deployment
Self-hosted
Helm✓
LM Evaluation Harness✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Helm

Leader

Not documented yet.

LM Evaluation Harness

5 total
  • Hugging Face
  • PyTorch
  • VLLM
  • GitHub
  • OpenAI-compliant APIs
Independently observed
Still deciding?

Helm or LM Evaluation Harness: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.