These tools competes with
HumanloopvsPromptLayer
Prompt management, A/B testing, and evals for production LLM apps versus Prompt versioning, logging, and A/B testing
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 PromptLayer when…
- •You want prompt versioning and request logging
- •Prompt history, replay, and A/B testing matter
- •You need visibility into what prompts are running in production
Side-by-side comparison
Field
Humanloop
PromptLayer
Category
Prompt & Eval
Prompt & Eval
Type
Commercial
Commercial
Free Tier
✓ Yes
✓ Yes
Pricing Plans
Free: $0Growth: $200/mo
Pro: 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.
PromptLayer
Log every LLM request, version prompts, and run A/B tests. Provides a visual interface for prompt engineering teams to iterate collaboratively.
Only Humanloop (3)
VellumPromptLayerGalileo
Only PromptLayer (2)
LangfuseHumanloop
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