Helicone
Helicone is the open source LLM observability platform used by thousands of developers to monitor, debug, and optimize their AI applications. It integrates with OpenAI, Anthropic, and other providers in one line of code, providing request logging, cost tracking, prompt versioning, and fine-tuning workflows.
- Location
- San Francisco, USA
- Raised
- $4M
- Stage
- Seed
- Founded
- 2023
- Category
- Dev Tools
- Funding
- VC-backed
- Team
- 10–50
Funding figures as of Jul 2025 · not independently verified
Founders of Helicone
- Justin Torre
- Scott Nguyen
Investors backing Helicone
- Y Combinator
- Abstract Ventures
Frequently asked questions
What does Helicone do?
Helicone is the open source LLM observability platform used by thousands of developers to monitor, debug, and optimize their AI applications. It integrates with OpenAI, Anthropic, and other providers in one line of code, providing request logging, cost tracking, prompt versioning, and fine-tuning workflows.
Where is Helicone based?
Helicone is based in San Francisco, USA.
When was Helicone founded?
Helicone was founded in 2023.
How much has Helicone raised?
Helicone has raised $4M in their Seed round as of Jul 2025.
Who founded Helicone?
Helicone was founded by Justin Torre, Scott Nguyen.
Who has invested in Helicone?
Helicone is backed by Y Combinator, Abstract Ventures.
How Helicone would pitch themselves
○ Auto-generated01Target customer
Production AI — the core audience Helicone's product is built around.
02Problem they solve
Helicone is the open source LLM observability platform used by thousands of developers to monitor, debug, and optimize their AI applications. It integrates with OpenAI, Anthropic, and other providers in one line of code… The category has historically been served by tools that miss the modern workflow this product is built around.
03Key differentiator
Helicone differentiates on open source llm observability for production ai. Backed by Y Combinator + Abstract Ventures, $4M raised — the company has resources + validation to compound this thesis. Founded by Justin Torre + team.
04Go-to-market strategy
Early-stage GTM — typically product-led growth (free tier or low-friction onboarding) paired with founder-led sales for the first 100 customers. Heavy content marketing + community presence on Twitter/X, LinkedIn, and category-specific Slack groups.