Anthropic gets heat for being the only major AI lab not supporting open models
Anthropic is the only major AI lab that has not yet backed Silicon Valley's defense of open-weight AI.OpenAI, Google, Microsoft, and SpaceX signed a letter asking the US to support open-weight AI. Anthropic's silence has been criticized by figures across the tech industry.The tech industry is rallying around open-weight AI, but one major lab is staying conspicuously silent.Anthropic is drawing criticism from across Silicon Valley for not signing an open letter advocating for open-weight AI as Washington considers restrictions on some Chinese models.On Friday, over two dozen companies — including Nvidia, Meta, and Microsoft — signed "Open Weights and American AI Leadership," endorsing open-weights, which means developers can download, modify, and deploy AI models on their own infrastructure.Over the weekend, several other major names in AI signed the letter: OpenAI, Google, and SpaceX.It means that, as of Monday, the only major frontier AI lab not to back the industry-wide defense of open models is Anthropic — and the Claude maker is catching some serious heat for it."The entire tech industry (save for Anthropic) has come out in favor of open source AI," said David Sacks, a venture capitalist and former AI czar for the Trump administration."They won't stop until they kneecap open source.
Reported by 1 outlet — Business Insider. See all sources ↓
Anthropic is the only major AI lab that has not yet backed Silicon Valley's defense of open-weight AI.OpenAI, Google, Microsoft, and SpaceX signed a letter asking the US to support open-weight AI. Anthropic's silence has been criticized by figures across the tech industry.The tech industry is rallying around open-weight AI, but one major lab is staying conspicuously silent.Anthropic is drawing criticism from across Silicon Valley for not signing an open letter advocating for open-weight AI as Washington considers restrictions on some Chinese models.On Friday, over two dozen companies — including Nvidia, Meta, and Microsoft — signed "Open Weights and American AI Leadership," endorsing open-weights, which means developers can download, modify, and deploy AI models on their own infrastructure.Over the weekend, several other major names in AI signed the letter: OpenAI, Google, and SpaceX.It means that, as of Monday, the only major frontier AI lab not to back the industry-wide defense of open models is Anthropic — and the Claude maker is catching some serious heat for it."The entire tech industry (save for Anthropic) has come out in favor of open source AI," said David Sacks, a venture capitalist and former AI czar for the Trump administration."They won't stop until they kneecap open source. The rest of the industry needs to watch these guys like a hawk," he wrote in a post on X."Proud that @OpenAI signed the letter. Ant is silent on it," wrote Peter Steinberger, an OpenAI employee and the founder of agentic platform OpenClaw, in his own X post.Bill Gurley, a general partner at VC firm Benchmark, also criticized Anthropic for not signing the letter and suggested the company was attempting to preserve its position in the AI race."Excited to see Anthropic acknowledge the real problem with open is it competes with their corporate economic strategy.
Read the full report at Business Insider ↗
Why it matters
A world story we're tracking; its significance and source trust firm up as more outlets confirm it.
- What's the story?
- Anthropic is the only major AI lab that has not yet backed Silicon Valley's defense of open-weight AI.OpenAI, Google, Microsoft, and SpaceX signed a letter asking the US to support open-weight AI. Anthropic's silence has been criticized by figures across the tech industry.The tech industry is rallying around open-weight AI, but one major lab is staying conspicuously silent.Anthropic is drawing criticism from across Silicon Valley for not signing an open letter advocating for open-weight AI as Washington considers restrictions on some Chinese models.On Friday, over two dozen companies — including Nvidia, Meta, and Microsoft — signed "Open Weights and American AI Leadership," endorsing open-weights, which means developers can download, modify, and deploy AI models on their own infrastructure.Over the weekend, several other major names in AI signed the letter: OpenAI, Google, and SpaceX.It means that, as of Monday, the only major frontier AI lab not to back the industry-wide defense of open models is Anthropic — and the Claude maker is catching some serious heat for it."The entire tech industry (save for Anthropic) has come out in favor of open source AI," said David Sacks, a venture capitalist and former AI czar for the Trump administration."They won't stop until they kneecap open source.
- How widely is it covered?
- 1 outlet, average source rating 6.0/10.
- When was it last updated?
- 9m ago.
How outlets are framing the same story
Here's how each outlet is covering the story — compare their headlines and timing at a glance.
- Coverage card1 outlet1CoverageScouting report
Anthropic gets heat for being the only major AI lab not supporting open models
Sources1TypeCoverageBusiness Insider