Klu
Klu helps design, deploy, and optimize LLM apps.
At a glance
Starts at
$99 per seat
Includes collaboration and approvals; costs may vary based on team size.
Free tier
Yes, limited
Platforms
Web
Best for
Product teams shipping AI at scale
Not for
Costs more than most ai code assistant tools
4.0 out of 5
Scored by a Toolio reviewer after real useOur verdict
Klu facilitates collaboration on prompts and tracks performance. Ideal for large-scale projects but slower iteration cycles for smaller teams.
✓What it does well
Shared evaluationsEnable faster iterations by comparing models side-by-side.
Comprehensive observabilityTrack model performance, costs, and drift in one place.
Model integrationsSupports multiple providers including OpenAI, Anthropic, Google.
✕Where it falls short
Slow iteration cycles for smaller teamsFaster cycles require shared evaluation sets; not ideal for solo builders.
Lacks detailed user documentationLess guidance available for new users compared to some competitors.
Limited free tier featuresFree plan only suitable for experimentation; lacks advanced tools and integrations.
Key features
Collaborative prompt designBuild, iterate, and version prompts in a shared workspace.
Real-time dashboardsSync evaluations with production data for real-time updates.
Private infrastructure optionsDeploy Klu in your VPC with custom deployment controls.
Advanced Governance Controlsadvanced governance controls are tailored for regulated teams.