Compare DeepEval and Humanloop side by side. Both are tools in the Observability, Prompts & Evals category.
Updated March 10, 2026
Choose DeepEval if open-source.
Choose Humanloop if collaborative platform for team development.
Want to compare DeepEval and Humanloop on your own traffic?
Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 250+ models through one gateway. Free tier covers 10K traces per month. Setup in 5 minutes, no credit card.
| Category | Observability, Prompts & Evals | Observability, Prompts & Evals |
| Website | deepeval.com | humanloop.com |
DeepEval is open-source framework for evaluating LLM outputs with metrics and test cases.
Humanloop is a collaborative platform for developing, testing, and monitoring LLM applications. The platform provides tools for prompt engineering, evaluation, and production monitoring with team collaboration features. Humanloop enables systematic prompt development with version control, A/B testing, and human feedback collection. The platform serves teams building production LLM applications requiring robust development workflows and observability. Humanloop offers tiered pricing from free for individuals to enterprise plans for large organizations.
Tools for monitoring LLM applications in production, managing and versioning prompts, and evaluating model outputs. Includes tracing, logging, cost tracking, prompt engineering platforms, automated evaluation frameworks, and human annotation workflows.
Browse all Observability, Prompts & Evalstools →One platform for routing, observability, tracing, and evals across every LLM provider.