
TensorZero
TensorZero builds open-source tools for production-grade LLM applications: LLM gateway, observability, optimization, evaluations, and experimentation.
About
TensorZero builds open-source tools for production-grade LLM applications: LLM gateway, observability, optimization, evaluations, and experimentation.
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Key facts
- Website
- tensorzero.com
- Headquarters
- San Francisco, United States
- Total funding
- $7M (Seed)
- Business model
- B2B
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 24 Apr 2024 | Seed | $7M | Gradient Ventures |
Tech stack
Detected on tensorzero.com, last scanned 31 Oct 2026. Run your own scan
- Frontend
- Tailwind CSS
- CDN
- Cloudflare
- Email provider
- Google Workspace
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community-maintained LLM gateway derived from TensorZero.
You can grab full docs for things like the Anthropic API or TensorZero and drop them straight into an LLM. It’s live at docs-exporter , and the source code is on Github .
TensorZero reverse-engineered Cursor’s API calls to see its actual prompts and swap models under the hood.
TensorZero is an open-source framework for building production-grade LLM applications. It unifies an LLM gateway, observability, optimization, evaluations, and experimentation.
To be a little cheeky, TensorZero is an open-source platform that helps LLM applications graduate from API wrappers into defensible AI products. Integrate our model gateway Send metrics or feedback Unlock compounding improvements in quality…
Each quote is copied word for word and links to where it was posted. Promotion and off-topic posts are filtered out.
Frequently asked
Is TensorZero trustworthy and reputable?
StartupHub's Data Trust & Reputation score for TensorZero is 80 out of 100, a trusted rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How much funding has TensorZero raised?
TensorZero has raised a total of $7M in funding. The most recent round on record is Seed.
A tool we built
API and MCP Security Scanner
See what an API or MCP server gives a stranger: transport, auth, CORS, rate limits, and which tools answer with no credentials. Use it before you publish an endpoint.
Need it connected to TensorZero or your own stack? Ask for a custom integration. We reply within 2 days.
SEC filings, insider activity, nonprofit links and pay benchmarks for TensorZero:
Company details: from public sources. Funding: no announced round on file. Ownership: not yet claimed by the company. Scores: measured by named tools; each links to its method. Our rules


