Strongest fit
Who it is built for
- Engineers evaluating LLM applications
- Product managers managing prompts and evaluations
- Domain experts reviewing AI output quality
Humanloop
Acquired LLM evaluation platform for enterprise AI products
Humanloop was acquired by Anthropic, and its platform was sunset on September 8, 2025. Before the sunset, it provided enterprise tooling for LLM evaluation, prompt management, and production observability, helping technical and non-technical teams collaborate on AI product development.
HUHumanloopProduct screenshot pending
- Best for
- Engineers evaluating LLM applications
- Pricing signal
- Not publicly listed
- Primary category
- AI development tools
- Last verified
- Jul 30, 2026
The decision
Should Humanloop make your shortlist?
Start with the job, the team, and the constraints. Product fit becomes much clearer when those three line up.
Practical use cases
Jobs it can take on
- Run evaluations against AI applications and datasets
- Version and deploy prompts across environments
- Monitor production logs and collect user feedback
Before you choose
Know the tradeoffs
- The Humanloop platform was sunset on September 8, 2025.
- Former accounts and associated platform data became permanently inaccessible after the sunset date.
Inside the product
What you can actually do with it.
The core product capabilities, grouped around the work they enable.
LLM Evaluations
The former platform supported offline and online evaluators, human review, code-based checks, and LLM-as-judge workflows.
Prompt Management
The former platform provided collaborative prompt versioning, deployment controls, and feedback workflows.
Production Observability
The former platform captured logs, traces, alerts, and end-user feedback for AI applications in production.
Typical workflow
Humanloop previously connected prompt development, evaluation, and observability in one workflow for LLM applications. The platform has since been sunset following the team's acquisition by Anthropic.
Plans and official links
Plans and accessNot publicly listed.
See the entry price, free access options, company details, and direct vendor destinations in one place.
Starting pointNot publicly listed
- Provider
- Humanloop, Inc.
Official destinations
Choosing for a real workflow?
Make the tool work with the rest of your operation.
We map the workflow, connect existing systems, choose what to buy, and build what is missing.