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Our decision on Cursor following its acquisition by SpaceX

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Re: Our decision on Cursor following its acquisition by SpaceX

#152

Days until cursor announces open models… 3, 2, 1… Seriously though, when the api providers start blacklisting cursor and they’re forced to swap to open weight models… If that happens, what even is the difference between openrouter and cursor?

Well, one has a pretty popular harness.

sure?

Re: Our decision on Cursor following its acquisition by SpaceX

#154

> we are giving the maximum notice provided by our contract. Anyone else surprised that the maximum notice period allowed is about 3 months? I would have thought 3 months is minimum notice period, with provisions to stop faster if any provable violation occurs.

It makes no sense that a contract would even provide a maximum notice period. Why would parties put that in? What benefit would either derive from restricting themselves to not getting earlier notice.

Re: Our decision on Cursor following its acquisition by SpaceX

#155
post #9

It's always been clear to me that Cursor's business model of reselling others' APIs had its days numbered. Not necessarily because the providers would pull the plug, but because you wouldn't be able to compete with subsidized plans. Cursor is already kind of useless for third party models unless you're willing to spend thousands of dollars. It's only worth it if you're going to use mostly grok/composer.

I've never seen a product blow another product out of the water so hard as Claude Code did to Cursor.

Claude code is a decent harness but then you have to use Anthropic models, which are good but no longer the best bang for the buck.

In particular Haiku 4.5 is rubbish, Anthropic don’t have anything in the cheap/fast part of the market.

For people fortunate enough to still be on a subscription instead of per-token billing this is less relevant, but their time will come.

The cursor model is quite nice because it allows you to switch between cheap and expensive models for different tasks

Re: Our decision on Cursor following its acquisition by SpaceX

#156

Anthropic already banned xAI for very similar ToS violations earlier this year: https://x.com/kyliebytes/status/2009686466746822731?s=46 So this is OpenAI following suit after Musk admitted to distilling their models. This was bound to happen once Cursor decided to sell itself to a competing model provider. It'll be interesting to see if Anthropic applies their ban to Cursor, or if that datacenter deal they signed wi…

Anthropic seems to have no issues: https://x.com/NotTomBrown/status/2093541294027280657?s=20

Yes Anthropic’s chief compute officer said nice things about one of Anthropic’s chief providers of compute. Recall that compute constraints are one of their existential risks.

Re: Our decision on Cursor following its acquisition by SpaceX

#157
post #154

> we are giving the maximum notice provided by our contract. Anyone else surprised that the maximum notice period allowed is about 3 months? I would have thought 3 months is minimum notice period, with provisions to stop faster if any provable violation occurs.

It makes no sense that a contract would even provide a maximum notice period. Why would parties put that in? What benefit would either derive from restricting themselves to not getting earlier notice.

I read it as: we acted as quickly as we could once it became possible to do so, i.e., the change in control was completed. not that their special agreement carved out some maximum notice term.

Re: Our decision on Cursor following its acquisition by SpaceX

#158
post #7

While this isn't great for users it seems like a pretty standard circling of the wagons in preparation for the next phase in the battle for frontier AI dominance. Ironically, as a Cursor and Claude subscriber, but not an OpenAI subscriber, this will push me back to Anthropic. I don't feel good about giving OpenAI money directly, but I've found switching to GPT 5.6 Sol now and again in Cursor to be useful. Now I'll pr…

It’s OpenAI (and Anthropic I’m sure) realising that they’ve somehow ended up stuck in the lowest margin part of the stack (providing inference), and trying to get out of it

Re: Our decision on Cursor following its acquisition by SpaceX

#159

Anthropic already banned xAI for very similar ToS violations earlier this year: https://x.com/kyliebytes/status/2009686466746822731?s=46 So this is OpenAI following suit after Musk admitted to distilling their models. This was bound to happen once Cursor decided to sell itself to a competing model provider. It'll be interesting to see if Anthropic applies their ban to Cursor, or if that datacenter deal they signed wi…

Anthropic runs a significant portion of their compute on xAI hardware - why are you even talking about trying to suggest their relationship is acrimonious?

Some of you guys hate Musk so much that you say blatantly nonsensical stuff. Like, how can you be on HN and authoritatively mouthing off and not have some idea about the xAI-Anthropic compute contract, or the fact that xAI took down its own Grok compute capability so it could sell that compute to Anthropic? And if Anthropic hated Musk/xAI as much as you are saying they do, why would they be paying xAI billions for compute? Think/research before typing.

Re: Our decision on Cursor following its acquisition by SpaceX

#160
post #132

Elon Musk openly admitted to distilling OpenAI's models [1], which I think explains the "based on our experience with Elon Musk's companies violating contracts". Last year, Anthropic cut off Windsurf the same way [2]. Fortunately, unlike Anthropic, OpenAI allows you to use your subscription with other harnesses, including Cursor. Of course today, Anthropic is taking the "high road" and is OK with with SpaceX [3] incl…

More generally, Musk admittedly works with a "move fast and break things" mentality. His companies have repeatedly broken environmental laws, labor laws, and securities laws. His companies often fail to deliver the features they promise and routinely miss deadlines they've committed to. They routinely violate contracts that they have agreed to.

Not doing business with them is a completely normal and unremarkable decision.

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