/AI3h ago

Google DeepMind's Andreas Kirsch highlights Anthropic terms of service that block researchers from using its models to build open-source models

Story Overview

Anthropic's terms of service now block independent researchers from using the company's public models when the work aims to advance open-weight or open-source models, with affected voices like Vincent Weisser reporting direct prohibitions tied to the lab's view that such efforts are harmful.

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Original post

@willccbb @tautologer I think according to their Terms of Service you were already not allowed to use it but you did so nevertheless? 😅 (From reading the system card)

will brown@willccbb

@tautologer it is the first publicly available model that i am explicitly not allowed to use for my work, because anthropic holds the view that the work i do to facilitate open model research is harmful. capability and alignment research are coupled. anthropic wants to be the only lab.

3:17 AM · Jun 10, 2026 · 198 Views
Open Question

Enforcement leaves key details murky

No public Anthropic post or updated clause text confirms the exact wording or rollout date, so the reach of account actions versus blanket filtering stays unclear.

Policy Risk

Mixed signals on open-source access

While targeted researchers face blocks, Anthropic separately runs a Claude for Open Source program offering free credits to qualifying maintainers, leaving the boundary between permitted and restricted uses unresolved.

Sentiment

Many users condemned Anthropic for restricting open model researchers from using Claude, labeling the policy dystopian, evil, and a hypocritical bid to stifle competition under safety pretexts.

Pos
16.7%
Neg
83.3%
18 comments with sentiment.
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VIEWS4.4KLIKES87REPLIES4
will brown@willccbb

it’s “self-interested” in that i picked my side intentionally because i believe it is the right side to be on. i’ve had plenty of opportunities to join the other side. i’m picking the side with less capital because i want to live in a world where this stuff is open.

the models in the competitive world are less powerful and more controllable. you aren’t going to convince me to trust dario that he’s gonna make sure everything is okay.

11hViews 4.4KLikes 87Bookmarks 3
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will brown@willccbb

it’s a tweet. “the work i do to facilitate open model research” implies i believe that open model research is a good thing. i do. you know this. we’ve talked about it before. you’re being pedantic.

the open model world is a race to the bottom on price. this is good for limiting the pace of capability gain.

the most antisocial and competitive company in this race is anthropic. they are frequently alone at the frontier. they do not collaborate. they cut off anyone they see as a threat to their dominance or pricing power.

i trust jensen, then demis, then elon, then sam, then dario.

11hViews 511Likes 24Bookmarks 3
RETWEETS89
will brown@willccbb

@tautologer it is the first publicly available model that i am explicitly not allowed to use for my work, because anthropic holds the view that the work i do to facilitate open model research is harmful. capability and alignment research are coupled. anthropic wants to be the only lab.

13hViews 52.1KLikes 1.5KBookmarks 128
samsja@samsja19

@willccbb @tautologer how dare you help people build better product sir

13hViews 1.9KLikes 66
Omar F.C.@potencytoact

@tautologer @willccbb @badlogicgames “Fable 5 will not fall back to a different model. Instead, the safeguards will limit effectiveness through methods such as prompt modification, steering vectors, or parameter-efficient fine-tuning (PEFT).”

12hViews 708Likes 23Bookmarks 1
will brown@willccbb

every technology has good and bad applications. the existence of linux empowers north korean hackers. the existence of linux is, on balance, a very good thing. we have a million different kinds of specialized computers. bill gates isn’t king.

unipolarity is not a stable equilibrium. information wants to be free. societies have many democratic ways of allowing people to make choices about how we want our systems to organize, and how we want to authenticate information provenance.

the dark web is irrelevant to the vast majority of people. misinformation was always possible. like all things, it is now cheaper. the good equilibrium in my mind is one where anonymity is less advantageous, lies are more easily uncoverable, and good old fashioned social norms dictate town square ethics. nobody owns the lightcone. almost everyone wins.

11hViews 366Likes 13Bookmarks 2
ueaj@_ueaj

I mean this is a pure self interest argument independent of whether the work is actually harmful or not

A multipolar or competitive environment with extraordinarily powerful models would be horrifying. We see this on a smaller scale with image gen & misinformation already.

Anarchy or nihilism is far more dystopian than anything even the worst authoritarians could come up with. It matters less who is the only lab and more that there is an only lab

12hViews 3KLikes 16Bookmarks 1
Omar F.C.@potencytoact

@willccbb @badlogicgames @tautologer Apparently they’ll let you use it and silently sabotage your systems

13hViews 2.8KLikes 20
tautologer@tautologer

@potencytoact @willccbb @badlogicgames no they won't, they clearly state it will attempt to help the user, just with degraded capability. big difference!

12hViews 2.4KLikes 6
will brown@willccbb

@_ueaj @tautologer nobody’s launched a nuke since the unipolarity days.

central authorities best serve the interests of the people when their authority isn’t guaranteed.

11hViews 294Likes 11
Omar F.C.@potencytoact

@tautologer @willccbb @badlogicgames your confusion is proof that you are confused

9hViews 201Likes 7
Matthew Williams@matthewmmww

@willccbb @tautologer “Nobody can research AI, it’s too dangerous!! Except for me, I’ll handle it responsibly.”

11hViews 621Likes 6Bookmarks 1
ueaj@_ueaj

I'm not really being pedantic no, yes you do imply you think that it is good because of course you do, so do I, that's why I said it was a self interest argument. What was missing was an appeal to something else, which would make it not a self interest argument.

Open source does not just mean a race to the bottom on price, it means a race to the bottom on everything, like alignment or refusals. Do you really think the world is better off with open source image and videogen? easy access to revenge porn and misinformation generation? etc.?

They do collaborate, on alignment especially, which is what matters most. Sharing capabilities would do nothing w.r.t. pro-socialness. They do these things because they also, rightly, believe a multipolar future would be dystopian.

11hViews 419Likes 6
ueaj@_ueaj

The specific argument in the comment you made is purely self interested though. There is no mention or argument against monopolarity in it.

Regardless, no, the models in the competitive world are not more controllable, they are subject to forces and incentives that encourage a race to the bottom. Even right now companies are not really "in control" of themselves, motivated reasoning and selective pressures move them in ways they can't comprehend.

A world without trust is very appealing to a lot of people, but there really is no substitute. Compromise is a better path forward than antisocial competition

11hViews 520Likes 5
will brown@willccbb

nuclear weapons were destined to exist in any sufficiently long-lived society, just like large language models. these are discoveries not inventions.

technology will always progress, and benefit those in power when centralized. broad open diffusion of technology is a check on power. the internet and smartphones and VPNs and open models are powerful levers against authoritarian leaders.

11hViews 142Likes 6
tautologer@tautologer

@potencytoact @willccbb @badlogicgames yes that is what i said and not what you said

10hViews 407Likes 4
tautologer@tautologer

@potencytoact @willccbb @badlogicgames sabotaging _the quality of the reply they give you_ is not the same as sabotaging _your systems_

giving a _less useful reply than they otherwise could_ is not the same as _giving an actively harmful reply_

5hViews 118Likes 1
ueaj@_ueaj

We have only had nuclear weapons for ~80 years. Only one nuclear power has collapsed and it was a miricle it didn't end in catastrophe. I don't think we should gamble humanity's fate on not doing this for the next 1000 years or whatever.

Whatever system you can envision can be done better by a machine, more accountable, more etc., unless you don't believe in material consciousness or superintelligence in general which I don't think is true.

Regardless, it has become harder, not easier, to overthrow or hold the government accountable as technology has progressed.

11hViews 154Likes 4
ueaj@_ueaj

Does this apply to nuclear technology?

> unipolarity is not a stable equilibrium

Multipolarity is what is not stable, the world has become more centralized, more inequal as technology has improved, not less. The size of empires has scaled with communication and intelligence cleanly, there is no reason to assume this would stop.

> how we want to authenticate information provenance

Maybe it's true we'd get better information provenance regulation, but that requires many "dystopian" measures that most in OS would never accept either. And regardless it'd be a better selling point if *anyone* in OS was advocating for this, which, from my vantage point at pangram, is not the case.

> misinformation was always possible

All things were always possible, what stopped people are the soft barriers. Literally all of society is held together by these soft barriers. Conscience, trust, faith, etc. all hold society together far more than violence or guns.

> anonymity is less advantageous, lies are more easily uncoverable, and good old fashioned social norms dictate town square ethics. nobody owns the lightcone. almost everyone wins.

there must be some centralized authority that can't be displaced to enforce this as well as provenance, this does not exist by default

11hViews 338Likes 3
Frosty40@FrostForger

@willccbb @samsja19 @tautologer Anthropic needs to be shattered now. Dario needs to be put in his place. And FORCED to hold hands with @sama

13hViews 1.4KLikes 5
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