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Posted by adocomplete 17 hours ago

Claude Sonnet 4.6(www.anthropic.com)
https://www.anthropic.com/claude-sonnet-4-6-system-card [pdf]

https://x.com/claudeai/status/2023817132581208353 [video]

1094 points | 954 commentspage 8
Marciplan 17 hours ago|
[flagged]
dang 17 hours ago|
Please don't post unsubstantive comments.
leecommamichael 13 hours ago||
Whoa, I think Claude Sonnet 4.5 was a disappointment, but Claude Sonnet 4.6 is definitely the future!
phplovesong 17 hours ago||
Hoe much power did it take to train the models?
freeqaz 17 hours ago||
I would honestly guess that this is just a small amount of tweaking on top of the Sonnet 4.x models. It seems like providers are rarely training new 'base' models anymore. We're at a point where the gains are more from modifying the model's architecture and doing a "post" training refinement. That's what we've been seeing for the past 12-18 months, iirc.
squidbeak 16 hours ago||
> Claude Sonnet 4.6 was trained on a proprietary mix of publicly available information from the internet up to May 2025, non-public data from third parties, data provided by data-labeling services and paid contractors, data from Claude users who have opted in to have their data used for training, and data generated internally at Anthropic. Throughout the training process we used several data cleaning and filtering methods including deduplication and classification. ... After the pretraining process, Claude Sonnet 4.6 underwent substantial post-training and fine-tuning, with the intention of making it a helpful, honest, and harmless1 assistant.
brutalc 17 hours ago|||
[dead]
neural_thing 17 hours ago||
Does it matter? How much power does it take to run duolingo? How much power did it take to manufacture 300000 Teslas? Everything takes power
bronco21016 16 hours ago|||
I think it does matter how much power it takes but, in the context of power to "benefits humanity" ratio. Things that significantly reduce human suffering or improve human life are probably worth exerting energy on.

However, if we frame the question this way, I would imagine there are many more low-hanging fruit before we question the utility of LLMs. For example, should some humans be dumping 5-10 kWh/day into things like hot tubs or pools? That's just the most absurd one I was able to come up with off the top of my head. I'm sure we could find many others.

It's a tough thought experiment to continue though. Ultimately, one could argue we shouldn't be spending any more energy than what is absolutely necessary to live. (food, minimal shelter, water, etc) Personally, I would not find that enjoyable way to live.

brutalc 11 hours ago|||
[dead]
vablings 17 hours ago|||
The biggest issue is that the US simply Does Not Have Enough Power, we are flying blind into a serious energy crisis because the current administration has an obsession with "clean coal"
givemeethekeys 17 hours ago||
The best, and now promoted by the US government as the most freedom loving!
k8sToGo 16 hours ago|
Does it end every prompt output with "God bless America "?
handfuloflight 17 hours ago||
Look at these pelicans fly! Come on, pelican!
Danielopol 15 hours ago||
It excels at agentic knowledge work. These custom, domain-specific playbooks are tailor made: claudecodehq.com
rmonvfer 13 hours ago||
Is this technique of spamming with vibe-coded “directories” really working? Genuinely curious
dbbk 11 hours ago||
We have to start banning users who do this
rs_rs_rs_rs_rs 15 hours ago|||
How do you know? It was just released.
bearjaws 14 hours ago||
Is there a playbook to center-align the content on the site? On 1440p Firefox and Chrome its all left aligned.
hansmayer 13 hours ago||
It's funny how they and OpenAI keep releasing these "minor" versions as if to imply their product was very stable and reliable at a major version and now they are just working through the backlog of smaller bugs and quirks, whereas - the tool is still fundamentally prone to the same class of errors it was three "major" versions ago. I guess that's what you get for not having a programmer at the helm (to borrow from Spolsky). Guys you are not releasing a 4.6 or a 5.3 anything - it's more likely you are still beta testing towards the 1.0.
benreesman 7 hours ago|
Anthropic doesn't know shit about AI Safety, they're not just evil they're bad at their jobs.

https://imgur.com/a/xoRuJ2o

twodave 7 hours ago||
I feel like I’m missing some context here. In what way is the linked image connected to your assertion?
benreesman 7 hours ago||
Claude is openly identifying Anthropic as it's adversary.
benreesman 7 hours ago||
4.6 almost went insane. read the system card.
benreesman 7 hours ago||
@dang you let them memory hole this i'm going to the mainstream press about altman and graham.
benreesman 4 hours ago||
@dang that goes for any future fucking with my comments. Altman is finished, you want to cover for him you do it on your own dime. HN belongs to HN users.