Fundraising Fox
Vibrant Labs
YC W24San Francisco, US · Founded 2023 · 6 employees · 4 known investors
Find your way into Vibrant Labs
Sign up to see every warm intro you have to Vibrant Labs
- Paths you didn't know you had: your email and LinkedIn already hold routes to the Vibrant Labs team. We find them for you
- 2nd- and 3rd-degree connections: the friend-of-a-friend routes that take hours to manually find through your inbox or LinkedIn
- Answers now, not in days: momentum is everything in a raise. Skip asking around whether someone knows someone
Days of research, done the moment you sign in, with every route ranked by how warm it is.
Vibrant Labs builds tools for teams to develop AI systems that function effectively in real-world applications. The company focuses on providing developer tooling for machine learning and AI implementation.
Also known as Exploding Gradients, Inc. · Exploding Gradients · Exploding Gradients, Ragas · Ragas
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareGenerative AIReinforcement LearningOpen SourceAIUnited States of AmericaAmerica / CanadaFully Remote
Founders & leadership· Y Combinator alumni (W24)
Vibrant Labs was founded in 2023 by Jithin James and Shahul ES.
JJ
Jithin JamesCo-FounderJithin James has built expertise in software development with a focus on open-source and AI tooling. He works on developer-focused products at Vibrant Labs.
SE
Shahul ESFounderShahul ES studied computer science and became a Kaggle GrandMaster with contributions to open-source AI projects including OpenAssistant.
Investors · 4
.jpeg)
Heavybitlisted by HeavybitSan Francisco · $500K – $5M
How we know: Y Combinator's founder network · Not right? Tell us
Pioneerlisted by PioneerToronto, Ontario
How we know: Y Combinator's founder network · pioneerfund.vc · open dataset · 5k.vc investor directory · Not right? Tell us
Y Combinatorlisted by Y CombinatorSan Francisco · $500K
How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us
Hike VenturesreportedSan Francisco · $1M – $5M
How we know: Y Combinator's founder network · Not right? Tell us
Funding
SEC filings, press & company announcements- Undisclosed amountPre-SeedDec 2025 · 2 sourcesSource ↗
Source: company announcements and press reports — follow each round's link for the claim.
Images
Founder mafia
3 people who came through Vibrant Labs went on to found or lead other companies.
Related companies · 10
RiftenRiften provides a routing layer that sits between a company's applications and large language model APIs, directing each request to the least expensive capable model and using self-hosted open-weight models where possible to reduce inference costs. It also uses the resulting task data to train private, company-owned models on recurring work, serving businesses that run AI-powered applications.
Hugging FaceHugging Face is a collaboration platform that hosts and provides access to machine learning models, datasets, and applications. It offers both open-source tools for the ML community and paid compute and enterprise solutions for teams building AI applications.
UnifyUnify provides AI agents that handle routine business tasks across communications, sales, operations, and engineering by executing pre-built workflows or custom automation. The service serves tech-focused companies and teams looking to offload administrative and repetitive work.
TrainLoopTrainLoop is a post-training research lab that trains specialized AI models for enterprise customers in pharma, biotech, logistics, and banking. The company develops custom foundation models and agents optimized for long-horizon tasks and mission-critical workflows in high-risk industries.
VelosVelos replaces outsourced manual work and business process operations with AI-powered automation, handling tasks like data entry, reconciliation, document review, and exception handling for enterprise clients.
Ashrashr provides testing and evaluation infrastructure for AI agents, allowing developers to run tests, catch failures, and debug agent behavior before production deployment. The platform offers real-time tracing, prompt versioning, and automated failure detection for teams building autonomous agents.
NVIDIANVIDIA designs GPUs, AI computing hardware, and software platforms for AI development, data centers, autonomous vehicles, and robotics, serving developers, researchers, and enterprises. Its offerings include AI models, power architecture for AI factories, and compute infrastructure used across industries such as manufacturing, healthcare, and automotive.
InceptionInception Labs develops diffusion-based large language models (dLLMs) designed for production applications. Their Mercury model family offers faster inference speeds than traditional autoregressive LLMs while maintaining quality, targeting developers and enterprises building AI systems.
TuringAGI infrastructure company solving the human intelligence bottleneck and empowering enterprises to harness generative AI.
Fundamental Research LabsFundamental Research Labs builds autonomous, socially intelligent AI agents capable of reasoning and multi-agent collaboration. The company's first product, Shortcut, is an AI-powered spreadsheet analyst that transforms raw data into models and runs simulations.
Companies working in the same space as Vibrant Labs.
Legal entities · 1
corporate structureExploding Gradients, Inc.
In the news
Frequently asked questions
- What does Vibrant Labs do?
- Vibrant Labs builds tools for teams to develop AI systems that function effectively in real-world applications. The company focuses on providing developer tooling for machine learning and AI implementation.
- Who founded Vibrant Labs?
- Vibrant Labs was founded by Jithin James, Shahul ES in 2023.
- Who are Vibrant Labs's investors?
- Vibrant Labs's investors include Heavybit, Pioneer, Y Combinator, Hike Ventures.
- Where is Vibrant Labs headquartered?
- Vibrant Labs is headquartered in San Francisco, US.