TensorZero builds open-source tools for production-grade LLM applications: LLM gateway, observability, optimization, evaluations, and experimentation.
Location: United States
Total raised: $7.3M
Funding Rounds 1
| Date | Series | Amount | Investors |
| 21.08.2025 | Seed | $7.3M | DRW |
Mentions in press and media 3
| Date | Title | Description |
| 21.08.2025 | TensorZero: $7.3 Million Seed Funding Raised For Building Stack For Industrial-Grade LLM Applications | TensorZero, a startup developing an open-source stack for industrial-grade large language model (LLM) applications, has secured $7.3 million in seed funding. Led by FirstMark, the round also includes Bessemer Venture Partners, Bedrock, DRW,... |
| 18.08.2025 | TensorZero nabs $7.3M seed to solve the messy world of enterprise LLM development | Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now TensorZero, a startup building open-source infrastructure for large language model ... |
| - | TensorZero | “TensorZero builds open-source tools for production-grade LLM applications: LLM gateway, observability, optimization, evaluations, and experimentation.” |