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    3. Hypercubic

    Hypercubic

    Hypercubic provides an agentic AI platform to maintain and modernize mission-critical COBOL and mainframe infrastructure powering the world's top enterprises.

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    At a Glance

    1Tool Listed
    3Products
    5Capabilities
    Discussions
    San Francisco, CaliforniaHeadquarters
    2025Est.
    3Employees
    $500000Raised
    Focus Areas
    AI Coding Assistants
    Development Environments
    Agent Harness
    Connect
    Latest News
    Championing for Legacy Modernization Internally - Thought Leadership PieceFeb 28, 2026
    Hypercubic Launches Hopper, the First Agentic AI Platform for Mainframe ModernizationFeb 1, 2026
    Markets
    • Telecommunications
    • Airlines
    • Logistics
    • Banking/Finance
    • +1 more

    AI Tools by Hypercubic

    (1)
    View Hopper
    Hopper tool icon

    Hopper

    Agentic IDE for Mainframes

    AI Coding Asst.Dev EnvironmentsAgent Harness

    Discussions

    No discussions yet

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    Latest News

    02/28/2026

    Championing for Legacy Modernization Internally - Thought Leadership Piece

    hypercubic.ai
    02/01/2026

    Hypercubic Launches Hopper, the First Agentic AI Platform for Mainframe Modernization

    news.ycombinator.com
    01/01/2026

    Hypercubic Featured in Y Combinator Fall 2025 Batch Launch

    ycombinator.com
    01/01/2025

    Hypercubic Emerges from Stealth to Tackle the $3 Trillion Mainframe Modernization Problem

    LinkedIn / Company Launch Post

    Products & Services

    3
    Hopper
    February 2026

    An agentic development environment for IBM mainframes (z/OS) that connects AI agents to legacy systems to accelerate maintenance and modernization.

    HyperTwin
    2025/2026

    A platform that builds digital twins of company knowledge to preserve expertise and streamline mainframe operations.

    HyperDocs
    2025/2026

    AI-native documentation platform for decoding and preserving legacy COBOL and mainframe business rules.

    Market Position

    Hypercubic differentiates itself by using 'agentic AI' specifically tailored for mainframe environments (IBM z/OS) and legacy languages like COBOL, focusing on knowledge preservation as much as code transformation.

    Leadership

    Founders

    SG

    Sai Gurrapu

    Co-founder and CEO of Hypercubic. Previously an engineer at Apple working on AI/Machine Learning. Part of Y Combinator Fall 2025 batch.

    AN

    Aayush Naik

    Co-founder and CTO of Hypercubic. Previously a software engineer at Apple. Expert in AI and distributed systems. Part of Y Combinator Fall 2025 batch.

    Executive Team

    SG

    Sai Gurrapu

    CEO & Co-Founder

    Ex-Apple AI engineer with experience in machine learning and enterprise systems.

    AN

    Aayush Naik

    CTO & Co-Founder

    Ex-Apple software engineer, specializing in distributed systems and AI applications.

    Founding Story

    Founded by ex-Apple engineers Sai Gurrapu and Aayush Naik, Hypercubic was started to address the 'retirement cliff' of mainframe expertise. With critical global infrastructure running on legacy COBOL systems, the founders envisioned using agentic AI to decode, preserve, and modernize these systems before the institutional knowledge disappears.

    Business Model

    Revenue
    Targeting high-value contracts with Fortune 500 and Global 2000 enterprises; early-stage company (ARR not publicly disclosed).

    Revenue Model

    B2B Subscription-based SaaS model (SaaS/Enterprise AI).

    Pricing Tiers

    Enterprise Subscription
    Contact for pricing

    Tailored solutions for Fortune 500 companies modernizing large-scale mainframe infrastructure.

    Private

    Target Markets

    Industries & Segments
    • Telecommunications
    • Airlines
    • Logistics
    • Banking/Finance
    • Government
    Use Cases
    • Mainframe modernization
    • COBOL code maintenance
    • Knowledge preservation for retiring engineers
    • Legacy system migration
    • Freight billing and TMS modernization
    Notable Customers
    • Fortune 500 enterprises
    • Airlines
    • Logistics companies

    Quick Facts

    Headquarters
    San Francisco, California
    Founded
    2025
    Entity Type
    Inc.
    Employees
    3
    Total Funding
    $500,000+
    Investors
    Y Combinator
    Office Locations
    San Francisco

    Funding History

    Pre-Seed (YC Batch)$500,000
    September 2025
    Post-money valuation based on YC standard terms (typically $7M-$10M range for SAFE) valuation
    Y Combinator

    History & Milestones

    February 2026

    Launched Hopper, the first agentic development environment (IDE) for mainframes and COBOL.

    2025

    Company founded in San Francisco by ex-Apple engineers.

    Late 2025

    Joined Y Combinator as part of the Fall 2025 (YC F25) batch.

    Key Capabilities

    5
    Agentic development environment for COBOL
    Digital twins of company knowledge (HyperTwin)
    Automated legacy documentation (HyperDocs)
    Direct connection to IBM z/OS mainframes
    Business rule extraction and inventory

    Integrations & Partnerships

    Platform Integrations

    • IBM z/OS
    • Mainframe IDEs
    • COBOL systems

    Key Partnerships

    Y Combinator
    IBM (Platform Support)

    Connect

    Website
    hypercubic.ai
    X / Twitter
    hypercubic_ai
    LinkedIn
    hypercubic-ai
    Discord
    NRD4N7X6

    AI Topics

    3

    Hypercubic focuses on these topics:

    AI Coding Assistants(1)
    Development Environments(1)
    Agent Harness(1)
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