The title makes it sound like they just did a seed round, but the seed round was announced in August of last year [0].
Their website landing page is now also showing the software is no longer maintained. No mention of why they made this decision, my best guess is they burned through their seed money and were unable to attract further investments.
The company was started in January 2024, so the seed financing is likely a roll-up of two years of fundraising. $7m for ~30 months of running an AI startup in NYC is not that unusual.
Were the thousands of commits and hundreds of feature branches over the last 9 months just to keep up appearances, then? Were the 850 people who forked it in on the scheme, too?
You can call it a bait but where is VCs due diligence for this. Most VCs where out there defending their infra layers investment. Just look at YC batches and see the inflated number of infra startups.
The report says, the CEO and founder, is a Ketamine addicted weirdo, who does Nazi salutes in public, is know to have at least 24 kids, and lives in an isolated farm in Texas, with at least 5 to 7 female partners, and got sued for calling a guy who saved kids a Pedophile.
"Failure" is the expected median though. You can't due-diligence your way out of "startup ran out of runway"!
The discussion here isn't about funding, it's that there's a presumptively useful community tool which got abandoned because its owners took their toys and went home when the money ran out (instead of making a sincere effort at transitioning to community governance). That's on the IP owners being selfish jerks and/or grifting losers. It's not the VC's fault.
While most startups fail eventually, failure in less than a year with over 7 million dollars is not the expected median. It’s the exact sort of thing that due diligence is supposed to prevent.
Also the whole project is open source. If you want, you could take it over.
The project name, its community center and hosting environment, the active participation and consent of the copyright holders of the software was withdrawn. This is a dead project, we can all see it. If you want to use it and contribute and get help, you have no where to go.
"It's still open source because you can fork it if you really want" is a specious and unhelpful attitude, and it tells me that you, like the owners of this thing, are not to be trusted to manage such a thing.
About one year ago, I created an LLM gateway with metrics, provider fallback and switching, tools support, injecting, etc. etc., and unique features like acting as an MCP tools client and server, all streamed, with low latency.
It was a simple project in terms of technical complexity. I didn't publish it as I counted several similar projects in the field.
Putting $7.3M into such a project would make sense only in the case of a precise growth plan with already declared customers and an promising sales funnel. There is no technical moat.
VCs think, 'Apps are risky, infrastructure is safe,'
so they invested in AI infra.
"infra is safe"
Hmm, but that wasn't a good idea.
because if an open source infrastructure project like TensorZero gets shut down this quickly, won't they start to realize that those investment theories are also risky?
The difficult thing about AI infrastructure is that, unlike other industries, it will not become fragmented. It will likely remain tied to specific big tech models. What does this mean? It means that because AI models are not yet standardized, the infrastructure itself is actually riskier. In other words, the privatization of standards is happening.
The challenge with AI infrastructure is that an independent, stable standard layer has not formed, unlike in other software infrastructure markets such as databases, web servers, cloud, and containers. Over time, those ecosystems developed relatively standardized interfaces and operational layers. But the LLM ecosystem is still evolving rapidly. Models themselves change fast, APIs differ, pricing differs, context windows, tool calling, structured output, evaluation, fine tuning, caching, routing, everything keeps changing.
So even if an infrastructure startup tries to build a common abstraction layer across multiple models, before that common layer can stabilize, big model or cloud providers like OpenAI, Anthropic, Google, AWS, or Azure can just absorb the same functionality directly. In the end, AI infrastructure is at high risk of becoming an attached feature of model providers rather than solidifying as an independent layer.
But if a startup that raised 7.3 million dollars fails this quickly, who would trust and invest in such things? That aside, it seems AI startups are all the rage these days. I also want to learn AI and get funded like that. Does anyone here trust me enough to invest? About one hundredth of that would probably be enough
Open source powers the business of many large corporations and they give essentially nothing back - why would maintainers refuse an offer for money in this environment?
Most VCs avoided application layer believing it is too risky with few player would emerge as winner over application layers calling them GPT wrapper (now called Harness) and pouring money into infra layer. Would love to see your opinion about how this thesis would turn out going forward.
Not my experience. I think most VCs thesis is around the application layer - not much around the infrastructure.
That being said, while I am biased, there is a lot of work around infrastructure so calling it "just a wrapper" massively underestimates the effort - this is purely from my own experience building this space.
Besides, if it is true how come OpenClaw is spending so much money on a open source project. Salaries alone will cost 7 digit sum for a harness and I have first hand experience dealing with companies doing exactly this.
Shameful plug - we are building cbk.ai, better known today as chatbotkit.com.
The title makes it sound like they just did a seed round, but the seed round was announced in August of last year [0].
Their website landing page is now also showing the software is no longer maintained. No mention of why they made this decision, my best guess is they burned through their seed money and were unable to attract further investments.
[0]: https://www.tensorzero.com/blog/tensorzero-raises-7-3m-seed-...
The company was started in January 2024, so the seed financing is likely a roll-up of two years of fundraising. $7m for ~30 months of running an AI startup in NYC is not that unusual.
Burning through $7m in 9 months? That's an impressive amount of avocado toast.
And AI tokens
Avocado intelligence.
Please don't bring Reddit brain here...
And poached eggs.
Those Claude tokens are not cheap you know /s
The project was probably just built to raise funds, a bait, and after thats done it's dead.
Were the thousands of commits and hundreds of feature branches over the last 9 months just to keep up appearances, then? Were the 850 people who forked it in on the scheme, too?
Well.. if that's it it's not really much to shown for if you spent $7 million on it.
You can call it a bait but where is VCs due diligence for this. Most VCs where out there defending their infra layers investment. Just look at YC batches and see the inflated number of infra startups.
A great way to launder money then?
Right? I’ve been through due diligence and it’s neither a quick nor simple process, even for seed.
The due diligence report just come back:
The report says, the CEO and founder, is a Ketamine addicted weirdo, who does Nazi salutes in public, is know to have at least 24 kids, and lives in an isolated farm in Texas, with at least 5 to 7 female partners, and got sued for calling a guy who saved kids a Pedophile.
You in?
Only if the CEO is the first man to step foot on mars. He gets to be immortalized, we get to watch him die living his best life.
"Failure" is the expected median though. You can't due-diligence your way out of "startup ran out of runway"!
The discussion here isn't about funding, it's that there's a presumptively useful community tool which got abandoned because its owners took their toys and went home when the money ran out (instead of making a sincere effort at transitioning to community governance). That's on the IP owners being selfish jerks and/or grifting losers. It's not the VC's fault.
While most startups fail eventually, failure in less than a year with over 7 million dollars is not the expected median. It’s the exact sort of thing that due diligence is supposed to prevent.
Also the whole project is open source. If you want, you could take it over.
It's not on anyone to set up your favourite "governance" system. If anyone honestly wants to keep maintaining or using it the code is still there.
Which toys exactly were taken? The repo seems open source, is any component missing?
The project name, its community center and hosting environment, the active participation and consent of the copyright holders of the software was withdrawn. This is a dead project, we can all see it. If you want to use it and contribute and get help, you have no where to go.
"It's still open source because you can fork it if you really want" is a specious and unhelpful attitude, and it tells me that you, like the owners of this thing, are not to be trusted to manage such a thing.
About one year ago, I created an LLM gateway with metrics, provider fallback and switching, tools support, injecting, etc. etc., and unique features like acting as an MCP tools client and server, all streamed, with low latency.
It was a simple project in terms of technical complexity. I didn't publish it as I counted several similar projects in the field.
Putting $7.3M into such a project would make sense only in the case of a precise growth plan with already declared customers and an promising sales funnel. There is no technical moat.
That's literally every project around AI. All the agent sandboxes. Hosting cron jobs that just hit ai rest endpoints for model completions etc
VCs think, 'Apps are risky, infrastructure is safe,' so they invested in AI infra.
"infra is safe" Hmm, but that wasn't a good idea. because if an open source infrastructure project like TensorZero gets shut down this quickly, won't they start to realize that those investment theories are also risky?
The difficult thing about AI infrastructure is that, unlike other industries, it will not become fragmented. It will likely remain tied to specific big tech models. What does this mean? It means that because AI models are not yet standardized, the infrastructure itself is actually riskier. In other words, the privatization of standards is happening.
The challenge with AI infrastructure is that an independent, stable standard layer has not formed, unlike in other software infrastructure markets such as databases, web servers, cloud, and containers. Over time, those ecosystems developed relatively standardized interfaces and operational layers. But the LLM ecosystem is still evolving rapidly. Models themselves change fast, APIs differ, pricing differs, context windows, tool calling, structured output, evaluation, fine tuning, caching, routing, everything keeps changing.
So even if an infrastructure startup tries to build a common abstraction layer across multiple models, before that common layer can stabilize, big model or cloud providers like OpenAI, Anthropic, Google, AWS, or Azure can just absorb the same functionality directly. In the end, AI infrastructure is at high risk of becoming an attached feature of model providers rather than solidifying as an independent layer.
But if a startup that raised 7.3 million dollars fails this quickly, who would trust and invest in such things? That aside, it seems AI startups are all the rage these days. I also want to learn AI and get funded like that. Does anyone here trust me enough to invest? About one hundredth of that would probably be enough
Seed was in Aug ‘25 and website simply says the project will no longer be maintained: https://www.tensorzero.com/
Obviously they upgraded, bought a dash, and moved on to https://www.tensor-one.com/
And new Github profile too.
https://github.com/TensorOne
There was a high severity advisory last week https://github.com/tensorzero/tensorzero/security/advisories... though these days can't even tell if this is related or just routine
This is the claim in the repo readme that presumably unlocked the VC investment:
“TensorZero is used by companies ranging from frontier AI startups to the Fortune 10 and fuels ~1% of global LLM API spend today.”
One percent seems like a lot. Anyone on HN use this?
Generally speaking, every YC company post ~2020 is forced to make pathologically false claims to compete in the (fundraising) market.
For people like myself, who didn't understand the timing of events - raised in august 2025, archived yesterday without any notice.
Open source powers the business of many large corporations and they give essentially nothing back - why would maintainers refuse an offer for money in this environment?
Guessing that the founders got 7 figure offers from AI labs or similar and decided that was an easier path.
At least it's not a pig butchering scam.
Most VCs avoided application layer believing it is too risky with few player would emerge as winner over application layers calling them GPT wrapper (now called Harness) and pouring money into infra layer. Would love to see your opinion about how this thesis would turn out going forward.
Not my experience. I think most VCs thesis is around the application layer - not much around the infrastructure.
That being said, while I am biased, there is a lot of work around infrastructure so calling it "just a wrapper" massively underestimates the effort - this is purely from my own experience building this space.
Besides, if it is true how come OpenClaw is spending so much money on a open source project. Salaries alone will cost 7 digit sum for a harness and I have first hand experience dealing with companies doing exactly this.
Shameful plug - we are building cbk.ai, better known today as chatbotkit.com.
Just switch to Bifrost already
Holy burn rate.
But it is written in Rust™.
Guys - skynet is winning the war. We oldschool humans are left behind here.
Wasn't GitHub once a place for humans? Now we could rename it SkyHub.
LOL, there's a sucker born every minute!
https://www.qwantz.com/index.php?comic=4483&mobile=1 couldn't resist.
PS: Someone won't become a trillionaire with this attitude.
That was funny, I'm not even mad. Upvote for you.
"I was assigned sucker at birth"