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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.

⇄ Comparison dimension — pick the market you're actually shopping in

Helicone logo
Helicone
✓ verifiedFreemium

LLM observability platform and AI gateway that lets teams route, log, debug and analyze their model requests.

100K visits/mo
Openlit logo
Openlit
✓ verifiedFreemium

Open-source, OpenTelemetry-native platform for LLM observability, tracing, evaluation and prompt management.

9.1K visits/mo
LLM Price Check logo
LLM Price Check
✓ verifiedFree

Free comparison tool for LLM API prices across providers, with a calculator to estimate token costs.

17K visits/mo
Higress logo
Higress
✓ verifiedFreemium

Open-source AI-native API gateway for routing, protecting and caching LLM/agent traffic, with a paid managed cloud.

29K visits/mo
Pricing
Hobby: Free (10,000 requests/mo)
Pro: $79/mo (unlimited seats)
Team: $799/mo (SOC-2 & HIPAA)

Free trial available

Self-Hosted: $0 (Apache 2.0, no usage limits)

No public pricing

No public pricing

Core features
  • Request logging and LLM observability
  • AI gateway with routing and automatic fallbacks
  • Caching and rate limiting
  • Session, user and custom-property analytics
  • Prompts, playground and datasets for testing
  • Integrations with OpenAI, Anthropic, Azure and more
  • OpenTelemetry-native distributed tracing
  • Token usage and cost tracking
  • LLM evaluations (online/offline)
  • Prompt management and versioning
  • GPU and vector-DB monitoring
  • 60+ LLM/framework integrations
  • Self-hostable via Docker; export to Grafana/Datadog
  • Compare LLM API prices across providers
  • Per-million-token input/output rates
  • Quality and context-window data
  • Token cost calculator
  • Sortable, searchable model table
  • Unified proxy and protocol conversion across 100+ LLMs
  • Model-level fallback and routing
  • Semantic and exact-match AI caching
  • Token tracking and quota controls
  • Content-safety and data-protection filtering
  • MCP service hosting and plugin marketplace
Use cases
  • Monitoring and debugging LLM apps
  • Analyzing model usage and cost
  • Caching responses to cut spend
  • Managing prompts and testing datasets
  • Trace and debug LLM applications
  • Monitor AI cost and performance
  • Evaluate prompts and models
  • Add observability without code changes
  • Compare LLM API costs
  • Estimate token spending for a project
  • Pick a cost-effective model
  • Centralizing access to multiple LLM providers
  • Building and governing AI agent/MCP services
  • Controlling token spend across teams
  • Adding caching and safety to LLM calls
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