Top accelerator startups

Startups14,448Programs29

14,448 startups · 29 programs

Traceloop

Acquired · Know what your LLM is doing, and why it’s failing

WebsiteYC profile

Why it ranks

How the rank works
13signal of 100 · rising 4
  • team of 9Team size · YC's directory+5.2
  • acquiredOutcome · YC, program pages, Acquisitions+4
  • went through YCProgram · this site+4

A sum of public facts, not a judgement and not investment advice.

Competitors

AIcerealShared: full visibilityAntler 2026GermanyStartup →AIEnergent AIShared: hallucination beforeYC S23San FranciscoStartup →AISpiro.AIShared: full visibility, poweredPlug and PlayUnited StatesStartup →
Companies closest to Traceloop
Company
cerealShared: full visibilityAntler 2026Not statedAI
Energent AIShared: hallucination beforeYC S23ActiveAI, Data
Spiro.AIShared: full visibility, poweredPlug and Play Not statedAI

Adjacent

AIOpenToolsShared: llmYC S23San FranciscoStartup →AIConsensusShared: llm, poweredAI Grant Batch 3Startup →OtherWalrus SecurityShared: knowAlchemist Class 20New YorkStartup →OtherBirdieShared: full visibility, trackYC S21San FranciscoStartup →AIPareaShared: llm, prompt, visibilityYC S23New York CityStartup →
Companies next to Traceloop
Company
OpenToolsShared: llmYC S23ActiveAI, Devtools
ConsensusShared: llm, poweredAI Grant Batch 3Not statedAI
Walrus SecurityShared: knowAlchemist Class 20Not statedOther
BirdieShared: full visibility, trackYC S21ActiveOther
PareaShared: llm, prompt, visibilityYC S23ActiveAI, Devtools

Also from W23 in AI

All of W23
AIAcquiredDAGWorks Inc.Open source tools & services for reliable AI Agents & AI ApplicationsYC W23San FranciscoStartup →AIAcquiredFernInstantly offer SDKs and API DocsYC W23New York CityStartup →AIAcquiredHeliconeLLM Observability for DevelopersYC W23San FranciscoStartup →AIInfisicalSecurity infrastructure for developers and agentsYC W23San FranciscoStartup →AIAcquiredLangfuseOpen source LLM engineering platformYC W23BerlinStartup →AILiteLLMCall every LLM API like it's OpenAI [100+ LLMs]YC W23San FranciscoStartup →
Company
DAGWorks Inc.Open source tools & services for reliable AI Agents & AI Applicationsacquiredteam of 2AcquiredAI, Devtools
FernInstantly offer SDKs and API Docsteam of 30acquiredAcquiredAI, Devtools
HeliconeLLM Observability for Developersteam of 5acquiredAcquiredAI, Data, Devtools
InfisicalSecurity infrastructure for developers and agentsteam of 70hiringActiveAI, Devtools
LangfuseOpen source LLM engineering platformteam of 26acquired by ClickHouseAcquiredAI, Data, Devtools
LiteLLMCall every LLM API like it's OpenAI [100+ LLMs]59.6k starsteam of 20ActiveAI, Devtools

About Traceloop

Traceloop gives you full visibility into every prompt, response, and failure. Track quality, detect drift, and stop hallucinations before they reach your users. Powered by OpenTelemetry, integrated in one line.

YC batch
W23 · Winter 2023
Status, per YC
Acquired
Category
AI, Developer tools
Team size
9
Location
Tel Aviv-Yafo, Tel Aviv District, Israel
Checked
6h ago

YC tags: Developer Tools, Generative AI, SaaS, Open Source

Traceloop in W23: 274 companies, 69% AI

Traceloop: questions

Which YC batch was Traceloop in?

Traceloop was in Y Combinator's Winter 2023 batch (W23).

Is Traceloop still active?

Y Combinator lists Traceloop as acquired.

Where is Traceloop based?

Traceloop lists Tel Aviv-Yafo, Tel Aviv District, Israel as its location on YC's directory.