Helicone
Research Team Data
Acquired
Published
LLM observability platform
Acquired by Mintlify
Company profile
Overview
Open-source LLM observability gateway (Rust-based). Note: As of 2025-2026, Helicone is in maintenance mode with no new features planned.
Helicone is an open-source LLM observability platform and AI gateway for logging, monitoring, routing, debugging, and cost/latency tracking across LLM requests; after Mintlify acquisition, services remain live in maintenance mode.
At a glance
Key facts
- HQ location
- San Francisco, CA, USA
- Founded
- 2023
- Employee range
- 11-50
- Funding stage
- Acquired
- Company type
- UnknownAcquired by Mintlify / open-source project in maintenance mode
- Last updated
- Pricing model
- SubscriptionUsage BasedUsage-based SaaS
Business context
Financials
- Revenue estimate
- Unknown
- Valuation estimate
- Unknown
- Investments
- Acquired by Mintlify in Mar 2026; prior funding undisclosed/limited public information
Market context
Relationships
- Target customers
- Developers running LLM applications
- Key competitors
- Langfuse, LangSmith, PromptLayer, Arize AI
- Known customers
- Unknown
Source context
Classification (raw research text)
- Core focus
- LLM monitoring and analytics
- Core industry
- Enterprise AI development
- Core category
- LLM observability tooling
Shown verbatim from the research spreadsheet — deriving structured industry tags from this text is a future phase.
Market taxonomy
Segments, Industries & Certifications
Segments
AI Developer ToolsKnowledge & RAGLLM DeploymentAI Quality & ObservabilityAI Governance & RiskAnalytics & BI