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Startups14,448Programs29

14,448 startups · 29 programs

LiteLLM

Active · Call every LLM API like it's OpenAI [100+ LLMs]

WebsiteYC profile

Why it ranks

How the rank works
27signal of 100 · rising 8
  • 59.6k starsOpen source traction · Repos (repos.fru.dev)+14.3
  • team of 20Team size · YC's directory+6.9
  • went through YCProgram · this site+4
  • hiringHiring · Titles (titles.fru.dev), YC+2

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

Competitors

AI.txtShared: source llm, openSeedcamp 2023Startup →AIInactiveMysticShared: python sdk, aiops, apiYC W21AustinStartup →AIAcquiredLangfuseShared: source llm, openYC W23BerlinStartup →AIAcquiredHeliconeShared: aiops, openai, llmYC W23San FranciscoStartup →AIKestrel AIShared: python sdk, aiops, serverYC F25San FranciscoStartup →
Companies closest to LiteLLM
Company
.txtShared: source llm, openSeedcamp 2023Not statedAI, Devtools
MysticShared: python sdk, aiops, apiYC W21InactiveAI, Devtools
LangfuseShared: source llm, openYC W23AcquiredAI, Data, Devtools
HeliconeShared: aiops, openai, llmYC W23AcquiredAI, Data, Devtools
Kestrel AIShared: python sdk, aiops, serverYC F25ActiveAI, Devtools

Adjacent

AIOpenToolsShared: llm, apiYC S23San FranciscoStartup →Developer toolsFastAPI LabsShared: fastapi, open, sourceArc 2024Startup →AIAcquiredDAGWorks Inc.Shared: aiops, llm, pythonYC W23San FranciscoStartup →AIBaserunShared: aiops, llmYC S23San FranciscoStartup →AIAcquiredChatterShared: aiops, llmYC S23PhiladelphiaStartup →
Companies next to LiteLLM
Company
OpenToolsShared: llm, apiYC S23ActiveAI, Devtools
FastAPI LabsShared: fastapi, open, sourceArc Arc 2024Not statedDevtools
DAGWorks Inc.Shared: aiops, llm, pythonYC W23AcquiredAI, Devtools
BaserunShared: aiops, llmYC S23ActiveAI, Devtools
ChatterShared: aiops, llmYC S23AcquiredAI, Devtools

Also from W23 in AI

All of W23
AIAcquiredFernInstantly offer SDKs and API DocsYC W23New York CityStartup →AIInfisicalSecurity infrastructure for developers and agentsYC W23San FranciscoStartup →AIAcquiredOpenIntOpen Source Embedded Product IntegrationsYC W23RemoteStartup →AIReflexBuild the software you wish existed.YC W23San FranciscoStartup →AIAcquiredTraceloopKnow what your LLM is doing, and why it’s failingYC W23Tel Aviv-YafoStartup →AITrigger.devBuild and deploy fully‑managed AI agents and workflowsYC W23LondonStartup →
Company
FernInstantly offer SDKs and API Docsteam of 30acquiredAcquiredAI, Devtools
InfisicalSecurity infrastructure for developers and agentsteam of 70hiringActiveAI, Devtools
OpenIntOpen Source Embedded Product Integrationsacquiredteam of 4AcquiredAI, Data, Devtools
ReflexBuild the software you wish existed.team of 15hiringActiveAI, Devtools
TraceloopKnow what your LLM is doing, and why it’s failingteam of 9acquiredAcquiredAI, Devtools
Trigger.devBuild and deploy fully‑managed AI agents and workflowsteam of 17ActiveAI, Devtools

About LiteLLM

LiteLLM is an open-source LLM Gateway with 50K+ stars on GitHub and trusted by companies like Rocket Money, Samsara, Lemonade, and Adobe. LiteLLM provides an open source Python SDK and Python FastAPI Server that allows calling 100+ LLM APIs (Bedrock, Azure, OpenAI, VertexAI, Cohere, Anthropic) in the OpenAI format We have raised a $1.6M seed round from Y Combinator, Gravity Fund and Pioneer Fund

YC batch
W23 · Winter 2023
Status, per YC
Active
Category
AI, Developer tools
Team size
20
Location
San Francisco, CA, USA
Checked
6h ago

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

Changes seen

TagsOct 19, 2026

Newly tagged AI; no longer tagged Artificial Intelligence.

Source ↗

LiteLLM in W23: 274 companies, 69% AI

Company profileadvisoriesbreachesPaydaysproblemsrepossocials

LiteLLM: questions

Which YC batch was LiteLLM in?

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

Is LiteLLM still active?

Y Combinator lists LiteLLM as active.

Where is LiteLLM based?

LiteLLM lists San Francisco, CA, USA as its location on YC's directory.