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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

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27K visits/mo
ApX Machine Learning logo
ApX Machine Learning
✓ verifiedFreemium

Tools, model specs and courses for LLM engineers-VRAM calculator, benchmarks and model directory-with free and paid tiers.

355K visits/mo
Lakera Guard logo
Lakera Guard
✓ verifiedFreemium

Security platform that guards GenAI apps and AI agents against prompt injection, data leaks and misuse for enterprise teams.

306K visits/mo
Canopy logo
Canopy
✓ verifiedPaid

AI content filter and parental-control app that strips explicit material from sites, social, and AI chatbots without full blocking.

1.5M visits/mo
LangWatch logo
LangWatch
✓ verifiedFreemium

Platform to test, evaluate and observe LLM and voice AI agents, with prompt management and red-teaming for production.

23K visits/mo6.4K saves
Pricing

No public pricing

Basic: $0/mo (free forever)
Pro: $19/mo
Pro+: $59/mo

No public pricing

Free trial available

Solo: $8.33/mo (1 device, billed annually)
Multiple: $9.99/mo (up to 5 devices)
Individual: $8.33/mo (up to 3 devices)
Family: $9.99/mo (up to 10 devices)

Free trial available

Developer: €0 (50k events/mo)
Growth: €29/core-seat/mo (+ €5 per 100k events)
Core features
  • Open-Source AI Gateway
  • Multi-LLM Management & Cost Optimization
  • Efficient and Secure LLMs Invocation
  • Unified API Signature for LLMs
  • Load Balancer for seamless switching between LLMs
  • Fine-Grained Traffic Control for LLMs
  • LLM Quota Management
  • Real-time LLM Traffic Monitoring
  • Caching Strategies for AI in Production
  • Flexible Prompt Management
  • VRAM/GPU-memory calculator for LLMs
  • LLM performance rankings and benchmarks
  • Model directory and comparison
  • AI/ML courses and learning roadmap
  • Calculator API and exportable cost reports
  • Engineering blog and guides
  • Runtime protection for AI agents and apps
  • Prompt-injection and jailbreak prevention
  • Data-leakage detection in prompts
  • Shadow-AI discovery across apps and browsers
  • Policy controls by user, app and action
  • AI red-teaming and adversarial testing
  • Real-time explicit-content filtering
  • AI chatbot filtering (ChatGPT, Gemini, Claude, Grok)
  • Sexting detection and alerts
  • Screen-time limits and app blocking
  • Removal-prevention anti-tampering
  • Location alerts and social monitoring
  • Scenario-based agent testing
  • LLM evaluation and quality scoring
  • Observability for cost and latency
  • Prompt management with GitHub sync
  • Voice AI simulation
  • LLM red-teaming and governance
Use cases
  • Building API portals for secure sharing of internal APIs with partners.
  • Tracking API usage and driving API monetization.
  • Managing and securing API access in compliance with enterprise policies.
  • Connecting to multiple AI large models simultaneously.
  • Optimizing LLM costs and improving efficiency.
  • Protecting against LLM attacks and data leaks.
  • Estimating GPU memory before training or inference
  • Comparing and selecting LLMs
  • Learning ML and LLM engineering
  • Modeling production deployment costs
  • Securing conversational and RAG agents
  • Governing employee use of AI tools
  • Adversarial testing before deploying GenAI
  • Meeting AI compliance requirements
  • Protect children from explicit content online
  • Prevent sexting on a child's device
  • Set healthy screen-time boundaries
  • Personal content filtering for adults
  • Catch agent issues before production
  • Evaluate and monitor LLM quality
  • Test voice AI agents at scale
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