✓ Use when
Startups and solo developers wanting instant LLM observability without installing an SDK. The fastest path from zero to monitored AI calls.
✗ Avoid when
Teams needing deep tracing of multi-step agent workflows — Langfuse offers more granular observability.
What is Helicone?
Helicone is the simplest LLM observability tool: route your OpenAI/Anthropic calls through Helicone's proxy and instantly get cost tracking, latency monitoring, caching, rate limiting, and prompt experiments. No SDK required — change one URL. Used by thousands of AI startups.
Key features
✓Zero-code proxy-based integration
✓Real-time cost and token tracking
✓Semantic caching (save on repeat calls)
✓Rate limiting and key management
✓Prompt experiment dashboard
Integrations
OpenAIAnthropicAzure OpenAI
Third-party ratings
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4.7· 580 reviews
💰 Real-world pricing
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