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 4
| 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,... |
| 21.08.2025 | TensorZero Raises $7.3M to Build Open-Source Stack for Industrial-Grade LLM Applications | Despite widespread adoption of large language models across enterprises, companies building LLM applications still lack the right tools to meet complex cognitive and infrastructure needs, often resorting to stitching together early-stage so... |
| 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.” |