Founded in 2022 to provide the 'picks and shovels' for the generative AI era, enabling teams to move from prompt drafts to production with observability.

Business Model

Revenue

$54.6K ARR reported in 2024.

Revenue Model

SaaS subscription with tiered pricing (Starter, Team, Enterprise) and usage-based features.

Pricing Tiers

Starter

Single workspace, prompt versioning, starter evaluation sets, community support.

Team

$99 per seat / $990 per year

Collaboration and approvals, observability dashboards, unlimited eval runs, priority support.

Enterprise

Custom

Private cloud deployment, SSO and governance, dedicated success team, custom integrations.

Private

Target Markets

Industries & Segments

AI Engineers
Product Teams
Regulated Enterprises
Startups

Use Cases

Prompt engineering collaboration
Model performance monitoring
Cost tracking
Governance for regulated AI deployments

Notable Customers

Productlane
Colab Cohorts
Zavvy

Quick Facts

Headquarters

San Francisco, California, US

Founded

2022

Entity Type

Inc.

Employees

Total Funding

$1.7M

Investors

Firstminute Capital, Craft Ventures

Office Locations

San Francisco

London

Funding History

Pre-Seed$1.7M

2023-10-24

Firstminute Capital

History & Milestones

2025-09-01

Launched expanded global OpenAI GPT-4 deployment and SDK updates.

2023-10-24

Raised $1.7 million in pre-seed funding led by Firstminute Capital.

2022

Klu, Inc. founded in London and San Francisco.

Key Capabilities

Collaborative prompt design

Observability dashboards

Prompt versioning

Multi-model support (50+ integrations)

Private cloud/VPC deployment

Governance & audit trails

Integrations & Partnerships

Platform Integrations

Python SDK
TypeScript SDK
REST API

Key Partnerships

OpenAI

Anthropic

Azure

Connect

Website

klu.ai

GitHub

klu-ai

X / Twitter

klu_ai

AI Topics

Klu, Inc. focuses on these topics:

LLM Evaluations(1)

Prompt Management(1)

Observability Platforms(1)

Back to all developers

Klu, Inc.

Klu simplifies the design, deployment, and optimization of AI-enabled applications, making LLM apps measurable, reliable, and collaborative.

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At a Glance

19Tool Views

San Francisco, CaliforniaHeadquarters

2022Est.

3Employees

Observability Platforms

Connect

AI Tools by Klu, Inc.

(1)

Klu

LLM App Building Platform

LLM Evaluations Prompt Management Observability

Discussions

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Latest News

01/08/2026

Optimizing LLM Apps: A Guide to Prompt Engineering and RAG

klu.ai

12/15/2025

Comparative Analysis: Google Gemini Pro vs. OpenAI GPT-3.5

klu.ai

12/08/2025

Building Your AI Team in 2025

klu.ai

09/01/2025

Just Launched: Expanded global OpenAI GPT-4 deployment

klu.ai

Products & Services

Klu Studio

A collaborative workspace to build, iterate, and version prompts with built-in evaluation workflows.

Klu Observe

Monitoring and observability platform to track model performance, cost, and drift in real-time.

Klu Enterprise

Dedicated solutions for regulated teams, including private cloud deployment, governance controls, and SSO.

Market Position

Comprehensive LLM app platform focusing on the entire lifecycle from design to optimization, competing with internal tool builds and point solutions.

Leadership

Founders

Stephen M. Walker II

Co-Founder and CEO of Klu.ai. Previously Founder and CEO of askporter. Background in product and entrepreneurship.

Stefan Sabev

Co-Founder and CTO of Klu.ai. Previously Director of Product Management at Productboard, CTO of askporter, and Product Manager at Skyscanner.

Executive Team

Stephen M. Walker II

Co-Founder & CEO

Entrepreneur and product leader, founder of askporter.

Stefan Sabev

Co-Founder & CTO

Former CTO of askporter and Director of Product at Productboard.

Founding Story

Founded in 2022 to provide the 'picks and shovels' for the generative AI era, enabling teams to move from prompt drafts to production with observability.

Business Model

Revenue

$54.6K ARR reported in 2024.

Revenue Model

SaaS subscription with tiered pricing (Starter, Team, Enterprise) and usage-based features.

Pricing Tiers

Starter

Single workspace, prompt versioning, starter evaluation sets, community support.

Team

$99 per seat / $990 per year

Collaboration and approvals, observability dashboards, unlimited eval runs, priority support.

Enterprise

Custom

Private cloud deployment, SSO and governance, dedicated success team, custom integrations.

Private

Target Markets

Industries & Segments

AI Engineers
Product Teams
Regulated Enterprises
Startups

Use Cases

Prompt engineering collaboration
Model performance monitoring
Cost tracking
Governance for regulated AI deployments

Notable Customers

Productlane
Colab Cohorts
Zavvy

Quick Facts

Headquarters

San Francisco, California, US

Founded

2022

Entity Type

Inc.

Employees

Total Funding

$1.7M

Investors

Firstminute Capital, Craft Ventures

Office Locations

San Francisco

London

Funding History

Pre-Seed$1.7M

2023-10-24

Firstminute Capital

History & Milestones

2025-09-01

Launched expanded global OpenAI GPT-4 deployment and SDK updates.

2023-10-24

Raised $1.7 million in pre-seed funding led by Firstminute Capital.

2022

Klu, Inc. founded in London and San Francisco.

Key Capabilities

Collaborative prompt design

Observability dashboards

Prompt versioning

Multi-model support (50+ integrations)

Private cloud/VPC deployment

Governance & audit trails

Integrations & Partnerships

Platform Integrations

Python SDK
TypeScript SDK
REST API

Key Partnerships

OpenAI

Anthropic

Azure

Connect

Website

klu.ai

GitHub

klu-ai

X / Twitter

klu_ai

AI Topics

Klu, Inc. focuses on these topics:

LLM Evaluations(1)

Prompt Management(1)

Observability Platforms(1)

Back to all developers