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With AI, Everyone is a Dev. EveryDev.ai © 2026
    1. Home
    2. Developers
    3. TensorZero

    TensorZero

    TensorZero provides an open-source infrastructure stack for building industrial-grade LLM applications, unifying gateway, observability, and optimization functions.

    Visit Website

    At a Glance

    1Tool Listed
    2Products
    5Tool Views
    7Capabilities
    Discussions
    New York, NYHeadquarters
    2024Est.
    10Employees
    $7.3MRaised
    Focus Areas
    LLM Orchestration
    Observability Platforms
    LLM Evaluations
    Connect
    Latest News
    TensorZero Raises $7.3M Seed Round to Build an Open-Source Stack for Industrial-Grade LLM ApplicationsAug 19, 2025
    TensorZero hits #1 trending project on GitHubAug 1, 2025
    Markets
    • AI Startups
    • Enterprise Software Teams
    • FinTech and Security-conscious AI applications
    • Open-source AI community

    AI Tools by TensorZero

    (1)
    View TensorZero
    TensorZero tool icon

    TensorZero

    Open Source LLM Ops Platform

    LLM OrchestrationObservabilityLLM Evaluations

    Discussions

    No discussions yet

    Be the first to start a discussion about TensorZero

    Latest News

    08/19/2025

    TensorZero Raises $7.3M Seed Round to Build an Open-Source Stack for Industrial-Grade LLM Applications

    prnewswire.com
    08/01/2025

    TensorZero hits #1 trending project on GitHub

    GitHub / Social Media
    11/01/2025

    CTO Viraj Mehta discusses the 'Feedback Loop for LLM Apps' on The MAD Podcast

    The MAD Podcast / Data Driven NYC
    01/01/2025

    Launch of TensorZero Autopilot for automated model optimization

    TensorZero Blog

    Products & Services

    2
    TensorZero (Open Source)
    August 2025

    An open-source LLMOps platform that unifies an LLM gateway, observability, evaluation, and optimization workflows.

    TensorZero Autopilot
    Late 2025

    An automated AI engineering tool designed to optimize LLM performance through fine-tuning and prompt engineering.

    Market Position

    Positions as a unified, open-source alternative to fragmented tools like LiteLLM (gateway) and LangSmith (observability), with a unique focus on the automated 'feedback loop' for optimization.

    Leadership

    Founders

    GB

    Gabriel Bianconi

    Co-founder and CEO. Previously Chief Product Officer at Ondo Finance ($1B+ AUM DeFi project). Founded an AI/ML consulting firm. BS in Computer Science from Stanford University.

    VM

    Viraj Mehta

    Co-founder and CTO. PhD in Robotics and Machine Learning from Carnegie Mellon University. Background in sample-efficient reinforcement learning and AI research.

    Executive Team

    GB

    Gabriel Bianconi

    CEO & Co-founder

    Former CPO at Ondo Finance; Stanford CS graduate.

    VM

    Viraj Mehta

    CTO & Co-founder

    CMU Robotics PhD; specialist in reinforcement learning.

    Board of Directors

    MT
    Matt Turck
    Board Member / Lead Investor (Partner at FirstMark)

    Founding Story

    Founded by Gabriel Bianconi and Viraj Mehta to address the lack of robust, unified infrastructure for deploying LLMs in production. They aimed to move beyond 'toy' applications to industrial-grade systems by integrating observability and automated feedback loops.

    Business Model

    Revenue
    Pre-revenue or early-stage (Seed stage startup). ARR not publicly disclosed.

    Revenue Model

    Open-core model. The core platform is open-source. Monetization is expected via managed cloud services (SaaS) and enterprise-grade support/licenses.

    Pricing Tiers

    Open Source
    Free

    Full access to the TensorZero framework, gateway, and optimization tools via GitHub.

    Enterprise / Cloud
    Contact Sales

    Expected features include managed hosting, advanced security, and enterprise support.

    Private (Early-stage)

    Target Markets

    Industries & Segments
    • AI Startups
    • Enterprise Software Teams
    • FinTech and Security-conscious AI applications
    • Open-source AI community
    Use Cases
    • Industrial-grade LLM application deployment
    • Model fine-tuning and prompt engineering at scale
    • Real-time LLM observability and evaluation
    • Reducing inference costs and latency via routing
    Notable Customers
    • Open-source developers
    • Stealth AI startups

    Quick Facts

    Headquarters
    New York, NY
    Founded
    2024
    Entity Type
    Inc.
    Employees
    10
    Total Funding
    $7.3M
    Investors
    FirstMark, Bessemer Venture Partners
    Office Locations
    New York

    Funding History

    Seed$7.3M
    August 19, 2025
    Not disclosed valuation
    FirstMark

    History & Milestones

    August 19, 2025

    Announced $7.3M Seed funding round led by FirstMark.

    August 2025

    TensorZero open-source stack reached #1 trending on GitHub.

    Late 2025

    Launched TensorZero Autopilot, an automated AI engineer for LLM optimization.

    January 2024

    Company founded by Gabriel Bianconi and Viraj Mehta.

    Key Capabilities

    7
    Unified LLM Gateway
    Observability and Experimentation
    Automated Optimization (Feedback Loops)
    Fine-tuning Automation
    Inference Fallbacks and Caching
    PII Masking

    Integrations & Partnerships

    Platform Integrations

    • OpenAI
    • Anthropic
    • Mistral
    • Cohere
    • AWS Bedrock
    • Google Vertex AI

    Key Partnerships

    FirstMark portfolio companies

    Connect

    Website
    tensorzero.com
    GitHub
    tensorzero
    X / Twitter
    tensorzero

    AI Topics

    3

    TensorZero focuses on these topics:

    LLM Orchestration(1)
    Observability Platforms(1)
    LLM Evaluations(1)
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