Humanloop
Defunct
Former LLM prompt management, evaluation, and observability platform; Humanloop team joined Anthropic and the standalone platform was sunset.
Humanloop provided prompt management, LLM evaluation, observability, datasets, experiments, and deployment workflows for AI product teams; current public site announces the team joining Anthropic rather than an active independent platform.
Positioning
LLM prompt management and evaluation platform; team joined Anthropic
Key facts
- HQ location
- London, UK
- Founded
- 2020
- Employee range
- 11-50 (~18 (pre-acquisition))
- Funding stage
- Bootstrapped
- Company type
- Unknown (Team joined Anthropic / platform sunset)
- Pricing model
- Subscription Usage Based (Usage-based SaaS)
- Last updated
- Jun 21, 2026
Revenue estimate
Unknown
Valuation estimate
N/A (acquired)
Investments
$7.91M total
Target customers
AI product teams and ML engineers
Key competitors
LangSmith, Galileo, Vellum, PromptLayer
Known customers
Unknown
Classification (raw research text)
- Core focus
- Prompt management and evaluation
- Core industry
- Enterprise AI development
- Core category
- LLM development platform
Shown verbatim from the research spreadsheet — deriving structured segment/industry tags from this text is a future phase.
Attribute breakdown
- AI Workflows Secondary feature
- Agent Builder / Agent Configuration Secondary feature
- Multi-agent Orchestration / Runtime Secondary feature
- System / API Integration Secondary feature
- Prompt Management / Prompt Engineering Primary focus
- Retrieval-Augmented Generation Secondary feature
- AI / LLM Data Pipeline Secondary feature
- Model Deployment / Inference Infrastructure Secondary feature
- AI Quality Assurance / LLM Evaluation Primary focus
- AI Observability / Monitoring Secondary feature
- AI Security / Guardrails Secondary feature
- Data Privacy / PII / Confidential AI Secondary feature
- AI Governance / Policy Management Secondary feature
- AI Risk / Compliance Secondary feature
- AI Asset Inventory / Model Registry Secondary feature
- Human-in-the-Loop Review / Feedback Secondary feature
- Text Chatbots / Conversational Assistants Secondary feature
- Analytics / BI / Decision Intelligence Secondary feature
- Enterprise App / Internal Tool Builder Secondary feature
Show all 32 attributes
- AI Workflows Secondary feature
- AI Automation / Business Process Automation Not emphasized
- AI Fine-tuning / Custom Model Training Not emphasized
- Agent Builder / Agent Configuration Secondary feature
- Multi-agent Orchestration / Runtime Secondary feature
- System / API Integration Secondary feature
- Prompt Management / Prompt Engineering Primary focus
- Retrieval-Augmented Generation Secondary feature
- Graph RAG / Knowledge Graph Retrieval Not emphasized
- Enterprise Search / Knowledge Management Not emphasized
- AI / LLM Data Pipeline Secondary feature
- Document AI / Document Processing Not emphasized
- Model Deployment / Inference Infrastructure Secondary feature
- Traditional Machine Learning Not emphasized
- AI Quality Assurance / LLM Evaluation Primary focus
- AI Observability / Monitoring Secondary feature
- AI Security / Guardrails Secondary feature
- Data Privacy / PII / Confidential AI Secondary feature
- AI Governance / Policy Management Secondary feature
- AI Risk / Compliance Secondary feature
- AI Asset Inventory / Model Registry Secondary feature
- Human-in-the-Loop Review / Feedback Secondary feature
- Call Transcription / Speech-to-Text Data Capture Not emphasized
- Conversation Intelligence / Speech Analytics Not emphasized
- Text Chatbots / Conversational Assistants Secondary feature
- Voice AI Agents Not emphasized
- Voice Infrastructure / STT / TTS Not emphasized
- AI for Customer Experience / Support Automation Not emphasized
- Sales / Revenue Intelligence Not emphasized
- Analytics / BI / Decision Intelligence Secondary feature
- Enterprise App / Internal Tool Builder Secondary feature
- Vertical-Specific AI Not emphasized