TensorZero
TensorZero is an open-source framework for building production-grade LLM applications.
$7.3M Seed ·
Led by FirstMark · Source: finsmes.com
Funding history ↓Signals
Website registeredOct 19, 2023 (3 years old)
About TensorZero
It unifies an LLM gateway, observability, optimization, evaluations, and experimentation.
Funding rounds
| Date | Round | Amount | Lead | Source |
|---|---|---|---|---|
| Seed | $7.3M | finsmes.com |
Timeline
- Website created
Investors
Companies like TensorZero
AArtie$12M Series A · Jan 2026
CCorelight$150M Series B+ · Apr 2024
SStreamlitSeries B+ · Jul 2026
OOneCLIPre Seed · Jul 2026
TTracerPre Seed · Sep 2026
IInthPre Seed · Jun 2026
Other companies backed by FirstMark
PPigment$250M Series B+ · Oct 2026
DDaytona$60M Series B+ · Oct 2026
FFragment$12M Series A · Oct 2026
LLiquid Compute$15M Seed · Sep 2026
RRillet$100M Series B+ · Aug 2026
OOnyx Security$113M Series B+ · Jul 2026
Sources and API
Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/tensorzero (get a free API key).