Datadog is a monitoring and analytics platform for cloud-scale application infrastructure.
Starting at $15 per host per month
Best Helicone Alternatives ranked by AI · updated Aug 2026
Helicone is an LLM observability platform that tracks requests, latency, token usage, costs, and user feedback. It is designed for developers who want to add monitoring through a gateway or lightweight instrumentation.
Top 6 Helicone alternatives
Phoenix is a web development framework written in Elixir that implements the server-side MVC pattern.
Weave is a comprehensive communication platform designed for small business owners to manage customer interactions.
Starting at $59/month
Chat Metrics is a conversation analytics platform for teams monitoring customer-support and AI chatbot interactions. It helps users identify recurring topics, measure...
Pros
- Focuses on conversation-level metrics rather than general product analytics
- Useful for identifying recurring support topics and interaction trends
- Designed for teams analyzing customer or chatbot conversations
Cons
- Less established than LangSmith or Datadog for LLM observability
- Pricing and integration details are not publicly clear
- May offer fewer developer tracing features than open-source alternatives
Rerail is a platform for testing, monitoring, and improving AI applications and agents in production. It is aimed at developers and teams...
Pros
- Combines agent monitoring and evaluation in one workflow
- Designed for production AI reliability rather than only prompt experimentation
- More focused on agent behavior than general-purpose application monitoring
Cons
- Less established and less widely adopted than LangSmith or Langfuse
- Pricing and product scope are less transparent than several competitors
- May offer fewer integrations and community resources than mature observability platforms
6
AgentStory
AgentStory
AgentStory is an observability platform for monitoring, tracing, and debugging AI-agent workflows. It is aimed at developers building production agents and emphasizes...
Pros
- Agent-focused traces provide more workflow context than general application monitoring
- Session views help connect tool calls, model outputs, and user interactions
- Designed for debugging multi-step agent behavior
Cons
- Smaller ecosystem and community than LangSmith or Langfuse
- Less established evaluation tooling than Braintrust
- Public pricing information is limited
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