Company Overview
About Humanloop
Humanloop is a London, UK-based AI model evaluation and LLM observability platform — backed by Y Combinator (W20) with $7.9 million raised including a $5 million seed plus round in November 2023 led by Y Combinator with participation from Index Ventures and UCL Technology Fund — that joined Anthropic in 2024 to help build the AI evaluation and safety infrastructure that enables responsible development of AI systems. Founded in 2020 by Raza Habib, Jordan Burgess, and Peter Hayes, Humanloop served enterprise AI development teams at Gusto, Vanta, and Duolingo with prompt management, LLM evaluation frameworks, and production monitoring tools that help engineering teams systematically improve AI product quality and catch regressions when model versions change. The acquisition by Anthropic represents a talent and technology integration into the team building Claude and Anthropic's enterprise AI products.
Business Model & Competitive Advantage
Humanloop's platform addressed the critical tooling gap that AI engineering teams face when moving AI features from prototype to production: LLM applications (customer service bots, code assistants, document analysis tools) can silently degrade in quality when the underlying model is updated, when input distribution shifts, or when prompt changes produce unexpected outputs — and without systematic evaluation, these quality regressions go undetected until customers complain. Humanloop provided the evaluation harness (defining test cases with expected outputs, running the LLM pipeline against the test suite, and comparing quality metrics across versions), prompt management (version-controlling prompt templates with rollback capability), and production observability (logging LLM inputs, outputs, and user feedback in structured form for quality analysis). The focus on 'AI evaluation' as a distinct engineering discipline — with the rigor applied to software testing transferred to measuring AI output quality — was Humanloop's core product thesis.
Competitive Landscape 2025–2026
Humanloop's 2024 joining of Anthropic represents a significant development in the AI safety and evaluation space: Anthropic (the AI safety company behind the Claude model family) acquired Humanloop's team and technology specifically to strengthen Anthropic's evaluation infrastructure for Claude's ongoing development. This reflects the broader AI industry recognition that model evaluation — creating comprehensive test suites that reliably measure AI capability, safety, and alignment — is one of the hardest technical problems in AI development. Humanloop's production-tested experience building evaluation systems for LLM applications at enterprise customers (Gusto, Vanta, Duolingo) brought real-world evaluation methodology to Anthropic's research environment. The YC W20 cohort connection (Humanloop, like many YC companies, built tools with strong product-market fit in the developer tools space before the acquisition).
Recent Activity
View all →Key Differentiators
Emerging Innovator
Humanloop is an emerging player bringing innovative solutions to the Developer Tools market.
Frequently Asked Questions
Estimated Visibility Trend (Beta)
Simulated 8-week rolling score
Based on estimated brand signals. Historical tracking coming soon.
Similar Brands
Browser Use
Browser Use is an open-source project that provides a Python library allowing AI agents and large language models to control web browsers as a tool. The library sits between LLM APIs and browser autom
Mux
Mux is a video infrastructure company that provides APIs for developers to build streaming video experiences without managing the complex encoding, delivery, and analytics infrastructure that professi
GitLab
GitLab is a San Francisco-based DevOps platform providing source code management, CI/CD pipelines, security scanning, container registry, and project management in a single application for software de
Cursor
Cursor is an AI-first code editor founded in 2022 by a small team of MIT researchers, built as a fork of Visual Studio Code with native large-language-model intelligence woven directly into the editin
Claude Code
Claude Code is Anthropic's agentic software engineering tool, launched in February 2025 as a command-line interface that operates directly in developer terminals. Unlike IDE-based coding assistants (C
GitHub Copilot
GitHub Copilot is an AI-powered coding assistant developed by GitHub (Microsoft) in partnership with OpenAI, providing real-time code suggestions, function completions, documentation generation, and w
Compare Humanloop with Competitors
Side-by-side AI visibility scores, platform breakdown, and market position.
Claim This Profile
Are you from Humanloop? Claim your profile to see full AI mention excerpts, get weekly visibility change alerts, and optimize how AI systems describe your brand.
Claim Humanloop Profile →Track AI Visibility in Real Time
Monitor how ChatGPT, Gemini, Perplexity, and Claude mention Humanloop vs competitors. Get alerts when AI recommendations shift.
Start Free Tracking →