Helicone vs Langfuse

Compare these two Prompt Tools tools side-by-side to find the best fit for your project.

Helicone

Prompt Tools

8/10

Open-source LLM observability platform. One-line integration for logging, monitoring, and caching LLM requests.

Prompt Tools

9/10

Open-source LLM engineering platform. Traces, evals, prompt management, and metrics for LLM apps.

Choose Helicone if:

Choose Langfuse if:

Feature	Helicone	Langfuse
Category	Prompt Tools	Prompt Tools
Pricing Model	Subscription	Free
Starting Price	$79/mo	Free
Rating	8/10	9/10
Complexity	Intermediate	Intermediate
AI Models	GPT-4, GPT-3.5, Claude, Gemini	Llama
Integrations	OpenAI, Anthropic, LangChain	GitHub, AWS, OpenAI, Anthropic, LangChain
Best For	Helicone is perfect for AI teams in production needing cost monitoring and request observability without complex instrumentation, especially those using multiple LLM providers or processing high volumes of API calls. It's particularly valuable for organizations wanting self-hosted observability with data privacy compliance and teams looking to optimize API spending through caching.	Open-source-first teams and startups building LLM applications who want an integrated platform for tracing, prompt management, and evaluation without vendor lock-in. Perfect for teams that need cost tracking and want to manage prompts without deploying separate infrastructure.

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