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Overfit

DefunctYC S20

San Francisco, US · Founded 2020 · 4 employees · 5 known investors

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Overfit combines human coaching for accountability with AI-generated personalized workout plans for fitness users seeking guidance and customized exercise routines.

Also known as Peptales, Inc. · Assist AI · Assist AI, PepTales · PepTales

AI & Machine LearningHealthtechWellness & FitnessArtificial IntelligenceFitnessUnited States of AmericaAmerica / CanadaPartly Remote

Founders & leadership· Y Combinator alumni (S20)

Overfit was founded in 2020 by Ajay Saini and Vahid Fazel-Rezai.

ASAjay Saini
Ajay SainiCo-Founder, CEO2020–2021Ajay Saini is a co-founder at PepTales.
VFVahid Fazel-Rezai
Vahid Fazel-RezaiCo-Founder, CTO2020–2021Vahid Fazel-Rezai is founder of Overfit, which offers personalized workout planning and coaching for fitness users.

Investors · 5

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

HOF CapitalreportedNew York · $500K – $10M

How we know: Y Combinator's founder network · Not right? Tell us

Kleiner PerkinsreportedMenlo Park · $500K – $15M

How we know: Y Combinator's founder network · Not right? Tell us

Soma CapitalreportedSacramento · $100K – $300K

How we know: Y Combinator's founder network · Not right? Tell us

Related companies · 5

AdaptedAdapted is a prehab and mobility app that delivers personalized exercise programs to athletes based on their sport, injury history, and training goals. The app provides evidence-based preventive exercises to strengthen vulnerable areas and reduce injury risk across various sports.
rex.fitRex.Fit makes a wearable camera device that uses computer vision to automatically track food intake and nutrition, alongside an API that fitness facilities integrate for nutritional analysis.
FitnessAIFitnessAI is an AI-powered workout app that programs personalized strength training routines with automatic progression based on user performance. It serves fitness enthusiasts and strength trainers across all experience levels, adapting workouts to available equipment and schedule constraints.
TiltTilt operates a bike-sharing network with stations in Indian gated communities, allowing residents to unlock and ride bicycles on demand. The company also runs Tilt Media, an advertising platform that places billboards in high-traffic locations within residential complexes across major Indian cities.
HYBRDHYBRD is a training app for hybrid athletes that combines strength and cardio workouts with personalized training plans. It features an AI coach that adapts to user goals and integrates data from third-party fitness tools.

Companies working in the same space as Overfit.

Legal entities · 1

corporate structure
Peptales, Inc.

Frequently asked questions

What does Overfit do?
Overfit combines human coaching for accountability with AI-generated personalized workout plans for fitness users seeking guidance and customized exercise routines.
Who founded Overfit?
Overfit was founded by Ajay Saini, Vahid Fazel-Rezai in 2020.
Who are Overfit's investors?
Overfit's investors include Fourth Realm, Y Combinator, HOF Capital, Kleiner Perkins, Soma Capital.
Where is Overfit headquartered?
Overfit is headquartered in San Francisco, US.