Helicone
LLM Observability for Developers
Founders
Not read from YC yet; the weekly run fills these in.
Same space
Competitors
Closest in what they build, same category.
LangfuseW23Open source LLM engineering platformShared: developer tools, analytics, open sourceAcquired
BaserunS23Observability and evaluation platform for LLM apps.Shared: aiops, developer toolsActive
LiteLLMW23Call every LLM API like it's OpenAI [100+ LLMs]Shared: aiops, developer tools, open sourceActive
ChatterS23Dead simple LLM testing and iterationShared: aiops, developer toolsAcquired
PareaS23Test, evaluate & observe your LLM applicationsShared: developer toolsActive
Adjacent
Overlapping tags, a different niche.
ElementaryW22Open-source data observability for data teamsShared: developer tools, analytics, open sourceActive
AtlaS23The improvement engine for AI agentsShared: aiops, developer tools, analyticsInactive
DAGWorks Inc.W23Open source tools & services for reliable AI Agents & AI ApplicationsShared: aiops, developer tools, open sourceAcquired
GrowthBookW22Open source feature flagging and A/B testingShared: developer tools, analytics, open sourceActive
HydraW22Serverless Analytics on PostgresShared: developer tools, analytics, open sourceAcquired
Also from W23 in AI
Batchmates in Winter 2023.
FernW23Instantly offer SDKs and API DocsAcquired
OpenIntW23Open Source Embedded Product IntegrationsAcquired
OuterbaseW23The interface for your databaseAcquired
ReflexW23The operating system for building mission-critical enterprise apps.Active
TraceloopW23Know what your LLM is doing — and why it’s failingAcquired
Trigger.devW23Build and deploy fully‑managed AI agents and workflowsActive
About Helicone
Helicone.ai is creating an advanced observability platform tailored for developers working with Large Language Models (LLMs). Our goal is to simplify and enhance the operational side of deploying these models, making it easier for developers to monitor, manage, and optimize their AI applications at scale. Helicone provides a unified view of performance, cost, and user interaction metrics for various LLM providers, like OpenAI, Anthropic, and LangChain, empowering developers to make their LLM deployments more efficient, reliable, and cost-effective. ### Key Features 1. **Centralized Observability**: Our platform captures and visualizes detailed logs and metrics across all LLM deployments. With tools for prompt management, performance tracing, and debugging, Helicone provides real-time insights into the inner workings of your LLMs. 2. **LLM Performance Optimization**: Helicone supports prompt experimentation, success rate tracking, and fine-tuning, allowing you to continuously improve response quality and efficiency. This level of insight makes it easier to deliver high-performing, cost-effective AI applications. 3. **Flexible Data Management**: We understand that data privacy is critical. Helicone supports deployment options for dedicated instances, hybrid cloud integrations, or self-hosted environments, allowing clients to maintain control over their data and ensuring compliance with privacy standards. ### Built for Developers and Data Scientists Helicone is designed to meet the needs of engineers and data scientists who require transparency and control over their LLMs. From chatbots to document processing systems, Helicone equips you with the insights needed to track costs, understand user interactions, and optimize outputs—all from one intuitive platform. By combining observability with LLM-specific insights, Helicone is redefining AI monitoring, empowering developers to deploy and scale their AI models with confidence.
San Francisco, CA, USA
Helicone: questions
Which YC batch was Helicone in?
Helicone was in Y Combinator's Winter 2023 batch (W23).
Is Helicone still active?
Y Combinator lists Helicone as acquired.
Where is Helicone based?
Helicone lists San Francisco, CA, USA as its location on YC's directory.
Not affiliated with Y Combinator. From YC's public directory. Logos via logo.dev; trademarks belong to their owners.