TensorZero
TensorZero
TL;DR
Product: Open-source LLMOps stack unifying gateway, observability, optimization, evaluation, and experimentation
Flagship feature: TensorZero Autopilot — automated AI engineer that uses LLM observability data to optimize prompts/models and run evals/experiments
Founders: Gabriel Bianconi (CEO); Viraj Mehta (CTO)
HQ / Founded: New York City; founded 2024
Funding: Seed (Aug 18, 2025) — $7.3M led by FirstMark
Team size: 6 employees (per company snapshot)
Company Overview
Problem Domain
LLM infrastructure and operations for production-grade generative AI applications
Founded
2024
Industry
LLM infrastructure / AI developer tools
Tech Stack
Funding Track Record
$7.3M
Investors in the round include Bessemer, Bedrock, DRW, Coalition Capital, and multiple angel investors.
Investor Signal
“Backed by venture firms including FirstMark, Bessemer, and Bedrock, plus angel investors.”