These tools competes with
HumanloopvsVellum
Prompt management, A/B testing, and evals for production LLM apps versus Prompt engineering, testing, and deployment platform
Compare interactively in Explore →Choose Humanloop when…
- •managing prompts as production artifacts with version control
- •running A/B tests across different models and prompt variants
- •need human labeling and automated evals in one platform
Choose Vellum when…
- •You want a full LLM product development platform
- •Prompt management, testing, and deployment in one place
- •You're iterating on prompts in a team workflow
Side-by-side comparison
Field
Humanloop
Vellum
Category
Prompt & Eval
Prompt & Eval
Type
Commercial
Commercial
Free Tier
✓ Yes
✓ Yes
Pricing Plans
Free: $0Growth: $200/mo
Starter: Paid
GitHub Stars
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Health
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Humanloop
Humanloop is a platform for managing prompts, running experiments, and evaluating LLM outputs in production. It provides a prompt editor, version history, A/B testing across models, and human plus automated eval workflows — keeping your prompts in sync with your code.
Vellum
End-to-end platform for prompt engineering teams. Version prompts, run A/B tests, evaluate quality, and deploy to production with a visual interface.
Only Humanloop (3)
VellumPromptLayerGalileo
Only Vellum (2)
PromptFooHumanloop
Explore the full AI landscape
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