AI LAB DEPENDENCY TRACKER

Which Labs Power
YC Startups?

Mapping the AI supply chain — which foundation model providers, frameworks, and infrastructure YC companies build on.

Check Your Stack
1,458 YC AI Companies
199 Deps Detected
12 LLM Providers
24 Total Labs Tracked
LLM Provider Market Share
OpenAI: 148 companies (43%) OpenAI
Anthropic: 116 companies (33%) Anthropic
Google: 26 companies (7%) Google
Replicate: 17 companies (5%) Replicate
Mistral: 11 companies (3%) Mistral
Meta: 6 companies (2%) Meta
Azure OpenAI: 6 companies (2%) Azure OpenAI
AWS Bedrock: 5 companies (1%) AWS Bedrock
Groq: 5 companies (1%) Groq
Cohere: 4 companies (1%) Cohere
Together AI: 2 companies (1%) Together
Fireworks: 1 companies (0%) Fireworks
OpenAI (148)
Anthropic (116)
Google (26)
Replicate (17)
Mistral (11)
Meta (6)
Azure OpenAI (6)
AWS Bedrock (5)
Groq (5)
Cohere (4)
Together AI (2)
Fireworks (1)
Foundation Model Providers
OpenAI
LLM Provider
148
Companies
119
Primary
Scale AI Daily Sendbird Plivo Encord Hightouch Leena AI People.ai Jasper.ai Taktile NanoNets Roboflow Photoroom Fathom Airbyte Ridecell Pump.co Exa QueryPie AI Veryfi, Inc. Motion Superb AI AssemblyAI Heron Data Warmly, GovDash StackAI Datasaur Oneleet Vapi Sully.ai Glide MindsDB Retell AI Speak Landeed Writesonic Alex Outset Cinder RocketSDR Recall.ai TaxGPT D-ID Yuma AI Firecrawl Shaped SmartHelio Langdock kapa.ai NewsCatcher Bolna AI Theneo Onyx JustPaid SuperKalam Replo Anima App Openlayer Strada Tiptap Flint JITX Metal VectorShift Scispot Slope RankScience Wordware Ubicloud CombineHealth Intuned Hypotenuse AI Credal.ai Fini Armilla AI Taskade Inventive AI Cosine Invofox Typewise Shuttle DeepSource Capitol AI Distro Tenyks Dailybot QualGent Respan Boundary LiteLLM Activepieces Dart Heptabase Raindrop Trigger.dev Jestor Cactus Naïve Kaelio Blaxel Mastra Unsloth AI Spur Fazeshift Senso Stably AI Strac Rejoy Health Routine Confident AI Browser Use Willow The Forecasting Company Diana Spine AI Chima Flowglad Yummy Future Quickchat AI Trelium Blue Sim Crimson Parsewise Capy Voker Laminar Gauge MediSearch Agentive Cedalio NuMind Workflow86 Dot Basedash Finlens Notte Wafer Tinfoil Alice.tech Symphony CreativeMode ProhostAI Educato Mathos Aqua Voice Spark
Anthropic
LLM Provider
116
Companies
57
Primary
Scale AI Daily Plivo Leena AI Taktile NanoNets Fathom Airbyte Ridecell Pump.co Exa QueryPie AI Motion AssemblyAI Warmly, StackAI Datasaur Vapi Glide MindsDB Retell AI Tavus Writesonic Inscribe TaxGPT Secoda Yuma AI Firecrawl Langdock kapa.ai Bolna AI Theneo F2 Onyx Greptile Mutiny Anima App Openlayer Flint Presti AI VectorShift Scispot RankScience Wordware CombineHealth Intuned Credal.ai Fini Armilla AI Taskade Weave Waydev AI Didit Cosine Invofox Typewise Shuttle DeepSource Leaping AI Respan Andon Labs Boundary LiteLLM Dart Heptabase Vibe Kanban Flockjay Raindrop GetCrux Trigger.dev Sixtyfour Naïve Kaelio Blaxel Woz Mastra Unsloth AI Spur Senso Stably AI Cotera Strac Rejoy Health Routine Browser Use Lingo.dev Unbound Diana Spine AI Chima Flowglad Trelium KERNEL Sim Parsewise Osmosis Capy CTGT Conductor Voker Laminar Gauge Skyvern Corgea Cedalio Workflow86 Dot Basedash Kimpton AI Moss Notte Tinfoil Alice.tech Anara Aqua Voice Alai
Google
LLM Provider
26
Companies
2
Primary
Scale AI Daily Jasper.ai Pibit.ai Community Phone Company Pump.co Warmly, StackAI Datasaur Vapi MindsDB Retell AI Writesonic Reducto D-ID VectorShift RankScience Hypotenuse AI Taskade Respan Boundary Vibe Kanban Raindrop Rejoy Health Browser Use Chima
Replicate
LLM Provider
17
Companies
8
Primary
Airbyte Heron Data Warmly, StackAI Glide MindsDB Inscribe Bretton AI Extend Replo Variance Respan Voiceops Unsloth AI SilkChart Artificial Societies Nomi
Mistral
LLM Provider
11
Companies
1
Primary
StackAI Vapi Glide Reducto Bolna AI VectorShift Armilla AI Respan Mastra Unsloth AI Sim
Meta
LLM Provider
6
Companies
1
Primary
Scale AI Vapi Paces Onyx Unsloth AI Tinfoil
Azure OpenAI
LLM Provider
6
Companies
0
Primary
Pump.co StackAI Bolna AI Openlayer Credal.ai Respan
AWS Bedrock
LLM Provider
5
Companies
1
Primary
Pump.co StackAI Shuttle Respan Raindrop
Groq
LLM Provider
5
Companies
1
Primary
Exa StackAI Respan Mastra Bluejay
Cohere
LLM Provider
4
Companies
0
Primary
MindsDB Shaped Respan The Forecasting Company
Together AI
LLM Provider
2
Companies
0
Primary
StackAI Respan
Fireworks
LLM Provider
1
Companies
0
Primary
Respan
Lab Adoption by YC Batch Year
Insight
In recent batches (2022+), Anthropic appears in 46% of detected LLM dependencies — closing the gap with OpenAI among newer YC companies.
Year Distribution Total
2018
OpenAI
Anthropic
11 deps
2019
OpenAI
Anthropic
Google
12 deps
2020
OpenAI
Anthropic
38 deps
2021
OpenAI
Anthropic
40 deps
2022
OpenAI
Anthropic
43 deps
2023
OpenAI
Anthropic
56 deps
2024
OpenAI
Anthropic
71 deps
2025
OpenAI
Anthropic
49 deps
2026
Anthropic
2 deps
Lab Dominance by Vertical
Developer Tools
47 companies
Dominant: OpenAI (35%)
OpenAI (39)Anthropic (39)Google (7)Meta (2)Mistral (5)
Generative Ai
34 companies
Dominant: OpenAI (44%)
OpenAI (31)Anthropic (23)Google (10)Meta (1)Mistral (2)
Open Source
17 companies
Dominant: OpenAI (36%)
OpenAI (15)Anthropic (13)Google (4)Meta (2)Mistral (2)
Ai Assistant
14 companies
Dominant: OpenAI (54%)
OpenAI (13)Anthropic (10)Google (1)
Fintech
14 companies
Dominant: OpenAI (46%)
OpenAI (11)Anthropic (7)Google (1)
Productivity
14 companies
Dominant: OpenAI (48%)
OpenAI (12)Anthropic (11)Google (1)
Infrastructure
13 companies
Dominant: Anthropic (42%)
OpenAI (8)Anthropic (11)Google (1)Meta (1)Mistral (3)
Api
12 companies
Dominant: OpenAI (53%)
OpenAI (9)Anthropic (7)Google (1)
Analytics
9 companies
Dominant: Anthropic (58%)
OpenAI (4)Anthropic (7)
Automation
8 companies
Dominant: Anthropic (26%)
OpenAI (5)Anthropic (5)Google (2)Meta (1)Mistral (1)
Ai Enhanced Learning
7 companies
Dominant: OpenAI (71%)
OpenAI (5)Anthropic (2)
Aiops
7 companies
Dominant: OpenAI (32%)
OpenAI (7)Anthropic (5)Google (1)Mistral (1)
Multi-Provider Companies (32)
Insight
32 YC companies integrate with 3+ LLM providers, hedging against vendor lock-in. 94 companies rely on a single provider.
Respan
11 LLM providers
OpenAIAnthropicGoogleTogetherGroqAWSAzureMistralCohereReplicateFireworks
StackAI
9 LLM providers
AnthropicOpenAIGroqGoogleMistralReplicateTogetherAWSAzure
Pump.co
5 LLM providers
AWSOpenAIAnthropicGoogleAzure
Vapi
5 LLM providers
OpenAIAnthropicGoogleMetaMistral
MindsDB
5 LLM providers
AnthropicGoogleOpenAICohereReplicate
Unsloth AI
5 LLM providers
OpenAIMistralMetaAnthropicReplicate
Scale AI
4 LLM providers
OpenAIAnthropicGoogleMeta
Warmly,
4 LLM providers
AnthropicOpenAIGoogleReplicate
Glide
4 LLM providers
OpenAIAnthropicMistralReplicate
Bolna AI
4 LLM providers
OpenAIAnthropicMistralAzure
VectorShift
4 LLM providers
OpenAIAnthropicMistralGoogle
Raindrop
4 LLM providers
AnthropicOpenAIGoogleAWS
ML Platforms & Frameworks
HuggingFace
ml platform
18
Companies
Deepgram Encord Roboflow Datasaur MindsDB Shaped VectorShift Shuttle Entangl Respan Unify Cactus Blaxel Unsloth AI The Forecasting Company Sim NuMind Dot
PyTorch (Meta)
ml framework
1
Companies
Encord
Audio & Image Providers
ElevenLabs
audio
14
Companies
Exa Reality Defender Vapi Glide Retell AI Bolna AI Flik Coval Vibe Kanban Sphere Sim Feather Moss Aqua Voice
Deepgram
audio
7
Companies
Daily Vapi Recall.ai Bolna AI Coval Trigger.dev Bluejay
AssemblyAI
audio
6
Companies
Pylon AssemblyAI Recall.ai Respan Mastra Bluejay
Stability AI
image
2
Companies
D-ID Naïve

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Methodology

Lab dependencies are detected through multiple signals:

Companies may use multiple providers. "Primary" indicates the most frequently referenced provider. This tracker is updated continuously as new data becomes available.

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