Humanloop Alternatives
Develop AI features with confidence
Humanloop was acquired by Anthropic (acqui-hired August 2025, platform shut down September 2025).
Humanloop provides a collaborative platform for managing and improving LLMs through prompt engineering and model evaluation.
Explore 44 alternatives to Humanloop across 1 category. Each tool listed below shares at least one category with Humanloop.
Top Humanloop alternatives at a glance
- Langfuse. Traces, evals, prompt management and metrics to debug and improve your LLM application.
- Comet Opik. Comet provides an end-to-end model evaluation platform for AI developers.
- Weights & Biases. ML experiment tracking, LLM observability, and evaluation platform for AI teams
- Arize AI. AI observability platform with tracing, evaluation, and monitoring for LLM and ML applications
- Traceloop. Open-source LLM observability built on OpenTelemetry, with automatic instrumentation for major providers and frameworks
📊 Observability & Analytics
Comet Opik
Comet provides an end-to-end model evaluation platform for AI developers.
Agenta
Open-source prompt management, evaluation, and observability for LLM apps
Dunetrace
Runtime reliability and failure detection for AI agents
Braintrust
Stop building AI in the dark.
RAGAS
Open-source evaluation and testing framework for LLM and RAG applications
Presidio
Microsoft open-source SDK for detecting and anonymizing PII in text and images
Guardrails AI
Open-source framework for adding input and output validators around LLM calls
NeMo Guardrails
NVIDIA toolkit for adding programmable guardrails to LLM conversational apps
Frequently asked questions
What are the best alternatives to Humanloop?
Based on category overlap and popularity, the top alternatives to Humanloop include: Langfuse (Traces, evals, prompt management and metrics to debug and improve your LLM ap...); Comet Opik (Comet provides an end-to-end model evaluation platform for AI developers.); Weights & Biases (ML experiment tracking, LLM observability, and evaluation platform for AI teams); Arize AI (AI observability platform with tracing, evaluation, and monitoring for LLM an...); Traceloop (Open-source LLM observability built on OpenTelemetry, with automatic instrume...). See all 44 alternatives compared on this page.
Is there a free alternative to Humanloop?
Yes. 39 alternatives to Humanloop offer a free tier or free trial: Langfuse, Comet Opik, Weights & Biases, Arize AI, Traceloop, Helicone, and more. Use the comparison above to find the best fit for your use case.
Are there open-source alternatives to Humanloop?
Yes. 21 of the 44 alternatives to Humanloop listed here are open source: Langfuse, Comet Opik, Arize AI, Traceloop, Helicone, Agenta, and more. Open-source tools can be self-hosted for full control over data and infrastructure.
What is Humanloop?
Humanloop provides a collaborative platform for managing and improving LLMs through prompt engineering and model evaluation. It offers tools for version-controlled prompt management, deployment controls, and quantitative experiments to enhance AI feature development. The platform supports integra... See 44 alternatives to Humanloop across 1 category.
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