Next-gen LLM App Platform
Confidently iterate on exceptional AI features
Quickly build, evaluate, and optimize LLM-powered Apps with Klu
Klu is the all-in-one LLM App Platform to experiment, version, and fine-tune GPT-4 Apps

Trusted by hundreds of innovative AI Teams, including those driving impact at
Collaborative prompt engineering
Explore, save, and collaborate with your team. Prototype completions, assistants, and workflows.
Track changes and integrate into your product development workflow.
Automatically evaluate prompt and model changes.

Build with your choice of best-in-class LLMs on Klu, including
Rapidly iterate with insights
Roll up usage and system performance across features and teams.
Understand user preference, prompt performance, and label your data.
Curate your best data for fine-tuning custom models.

Built for you
Loved by AI Teams
“Platforms like Klu.ai are at the forefront of addressing business needs. Klu.ai stands out by offering a well-considered alternative to DIY solutions and the flexibility for businesses to integrate their own data and models.”


“Explored the @klu_ai private beta today and successfully developed a chatbot for a friend's hotel, integrated seamlessly with WhatsApp in under 30 minutes! A big thank you to @0xSMW for crafting such an intuitive platform for LLM apps. Eager to delve deeper and experiment further!”

“Klu helped us quickly address concerns over data privacy, regulatory compliance, and security when helping Enterprise clients adopt LLMs.”

“Wow, this platform looks awesome. Mistral 7b when hehe?”

“Amazing! 1-click fine-tuning is the feature that i am more attracted too. Can't wait to try it out!”

“We're using Klu at Productlane and use it to build all our AI Features – automatic Linear issue suggestions for feedback and summarizing feedback.”

“Fantastic! Awesome team and product - I'm sure will go 🚀 !!!”

Build your AI moat
Quickly start with state of the art models — then train your own model on your best data.
Create unique experiences and performance through fine-tuning Davinci-002, GPT-3.5 Turbo, GPT-4, Llama 2, or Mistral.
Your data is secure and portable.

Klu Enterprise Container
Build in your cloud
Klu Enterprise Container provides a high-performance, private platform for building custom AI systems. Simplify model deployment and reduce overhead.
Host your models in one place, fine-tune models to become domain experts, and scale seamlessly with our easy-to-use, multi-tenant architecture.
- Deploy OS Models
- Deploy Llama 2 and Mistral models internally with embedding, fine-tuning, and inference.
- Klu Platform
- Self-hosted core platform
- Secure
- Data never leaves your cloud

Functionality that scales with you.
Start for free, build generative actions, and upgrade as you grow.
All plans include FREE GPT-4-turbo runs for prototyping.
Hobby
Get started with Klu – FREE for your first AI App and Actions. Perfect for hobby projects.
FREE
Get Started- 1k Monthly Runs
- 1k Documents
- 1 App & Context
- Capture User Feedback
- Standard Support
- FREE GPT-4-turbo
Pro
10x more usage, perfect for small projects and teams optimizing features.
$97/month
Get Started- 10k Monthly Runs
- 100k Documents
- 3 Apps & Context
- Team Collaboration
- Deploy Environments
- Change Versioning
- Capture User Feedback
- Standard Support
- FREE GPT-4-turbo
Enterprise
Enterprise-scale Klu, with activity logs, reporting, and workspace security.
Contact Us
Request Demo- 100k+ Monthly Runs
- Unlimited Documents
- Everything in Pro, plus:
- Unlimited Apps & Context
- AI Analysis & Labeling
- A/B Experiments
- Evaluations
- Fine-tuning
- Reporting
- Roles & Permissions
- Private Cloud Option
- Dedicated Success Team
- SOC2 Compliance
- Custom Services
- FREE GPT-4-turbo
By 2030, every product will be powered by AI, and personalized to each user. Let’s get started today.
Klu transforms how AI Engineers & Teams work, enabling rapid iteration based on model, prompt, and user insights.
The future is not about building AI systems to replace humans, but about building new functionality that help people finish boring work faster, spot blindspots, and uncover new opportunities to do their best work.
Klu enables every software product to personalize to the person using it, and help them learn and accomplish tasks faster, better, and more efficiently.
Founding Team
Stephen M. Walker II
Co-Founder / CEO
Stefan Sabev
Co-Founder / CTO
10 Minutes
From Zero to Production
Gather LLM app insights in under 10 minutes.
10x Faster
Teams ship 10x Faster with Klu
Move faster than the competition, learn from customers, and create a competitive moat around your business.
90% Cost Savings
Replace Human Labeling
Klu's RLAIF labeling matches human-level performance and preference.
It's time to build
Collaborate with your team on reliable Generative AI features.
Want expert guidance? Book a 1:1 onboarding session from your dashboard.